xref: /spdk/test/unit/lib/blob/blob.c/blob_ut.c (revision ae7b5890ef728af40bd233a5011b924c482603bf)
1 /*-
2  *   BSD LICENSE
3  *
4  *   Copyright (c) Intel Corporation.
5  *   All rights reserved.
6  *
7  *   Redistribution and use in source and binary forms, with or without
8  *   modification, are permitted provided that the following conditions
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12  *       notice, this list of conditions and the following disclaimer.
13  *     * Redistributions in binary form must reproduce the above copyright
14  *       notice, this list of conditions and the following disclaimer in
15  *       the documentation and/or other materials provided with the
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19  *       from this software without specific prior written permission.
20  *
21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32  */
33 
34 #include "spdk/stdinc.h"
35 
36 #include "spdk_cunit.h"
37 #include "spdk/blob.h"
38 #include "spdk/string.h"
39 #include "spdk_internal/thread.h"
40 
41 #include "common/lib/ut_multithread.c"
42 #include "../bs_dev_common.c"
43 #include "blob/blobstore.c"
44 #include "blob/request.c"
45 #include "blob/zeroes.c"
46 #include "blob/blob_bs_dev.c"
47 
48 struct spdk_blob_store *g_bs;
49 spdk_blob_id g_blobid;
50 struct spdk_blob *g_blob;
51 int g_bserrno;
52 struct spdk_xattr_names *g_names;
53 int g_done;
54 char *g_xattr_names[] = {"first", "second", "third"};
55 char *g_xattr_values[] = {"one", "two", "three"};
56 uint64_t g_ctx = 1729;
57 
58 struct spdk_bs_super_block_ver1 {
59 	uint8_t		signature[8];
60 	uint32_t        version;
61 	uint32_t        length;
62 	uint32_t	clean; /* If there was a clean shutdown, this is 1. */
63 	spdk_blob_id	super_blob;
64 
65 	uint32_t	cluster_size; /* In bytes */
66 
67 	uint32_t	used_page_mask_start; /* Offset from beginning of disk, in pages */
68 	uint32_t	used_page_mask_len; /* Count, in pages */
69 
70 	uint32_t	used_cluster_mask_start; /* Offset from beginning of disk, in pages */
71 	uint32_t	used_cluster_mask_len; /* Count, in pages */
72 
73 	uint32_t	md_start; /* Offset from beginning of disk, in pages */
74 	uint32_t	md_len; /* Count, in pages */
75 
76 	uint8_t		reserved[4036];
77 	uint32_t	crc;
78 } __attribute__((packed));
79 SPDK_STATIC_ASSERT(sizeof(struct spdk_bs_super_block_ver1) == 0x1000, "Invalid super block size");
80 
81 static void
82 _get_xattr_value(void *arg, const char *name,
83 		 const void **value, size_t *value_len)
84 {
85 	uint64_t i;
86 
87 	SPDK_CU_ASSERT_FATAL(value_len != NULL);
88 	SPDK_CU_ASSERT_FATAL(value != NULL);
89 	CU_ASSERT(arg == &g_ctx);
90 
91 	for (i = 0; i < sizeof(g_xattr_names); i++) {
92 		if (!strcmp(name, g_xattr_names[i])) {
93 			*value_len = strlen(g_xattr_values[i]);
94 			*value = g_xattr_values[i];
95 			break;
96 		}
97 	}
98 }
99 
100 static void
101 _get_xattr_value_null(void *arg, const char *name,
102 		      const void **value, size_t *value_len)
103 {
104 	SPDK_CU_ASSERT_FATAL(value_len != NULL);
105 	SPDK_CU_ASSERT_FATAL(value != NULL);
106 	CU_ASSERT(arg == NULL);
107 
108 	*value_len = 0;
109 	*value = NULL;
110 }
111 
112 static int
113 _get_snapshots_count(struct spdk_blob_store *bs)
114 {
115 	struct spdk_blob_list *snapshot = NULL;
116 	int count = 0;
117 
118 	TAILQ_FOREACH(snapshot, &bs->snapshots, link) {
119 		count += 1;
120 	}
121 
122 	return count;
123 }
124 
125 static void
126 bs_op_complete(void *cb_arg, int bserrno)
127 {
128 	g_bserrno = bserrno;
129 }
130 
131 static void
132 bs_op_with_handle_complete(void *cb_arg, struct spdk_blob_store *bs,
133 			   int bserrno)
134 {
135 	g_bs = bs;
136 	g_bserrno = bserrno;
137 }
138 
139 static void
140 blob_op_complete(void *cb_arg, int bserrno)
141 {
142 	g_bserrno = bserrno;
143 }
144 
145 static void
146 blob_op_with_id_complete(void *cb_arg, spdk_blob_id blobid, int bserrno)
147 {
148 	g_blobid = blobid;
149 	g_bserrno = bserrno;
150 }
151 
152 static void
153 blob_op_with_handle_complete(void *cb_arg, struct spdk_blob *blb, int bserrno)
154 {
155 	g_blob = blb;
156 	g_bserrno = bserrno;
157 }
158 
159 static void
160 blob_init(void)
161 {
162 	struct spdk_bs_dev *dev;
163 
164 	dev = init_dev();
165 
166 	/* should fail for an unsupported blocklen */
167 	dev->blocklen = 500;
168 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
169 	poll_threads();
170 	CU_ASSERT(g_bserrno == -EINVAL);
171 
172 	dev = init_dev();
173 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
174 	poll_threads();
175 	CU_ASSERT(g_bserrno == 0);
176 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
177 
178 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
179 	poll_threads();
180 	CU_ASSERT(g_bserrno == 0);
181 	g_bs = NULL;
182 }
183 
184 static void
185 blob_super(void)
186 {
187 	struct spdk_blob_store *bs;
188 	struct spdk_bs_dev *dev;
189 	spdk_blob_id blobid;
190 
191 	dev = init_dev();
192 
193 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
194 	poll_threads();
195 	CU_ASSERT(g_bserrno == 0);
196 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
197 	bs = g_bs;
198 
199 	/* Get the super blob without having set one */
200 	spdk_bs_get_super(bs, blob_op_with_id_complete, NULL);
201 	poll_threads();
202 	CU_ASSERT(g_bserrno == -ENOENT);
203 	CU_ASSERT(g_blobid == SPDK_BLOBID_INVALID);
204 
205 	/* Create a blob */
206 	spdk_bs_create_blob(bs, blob_op_with_id_complete, NULL);
207 	poll_threads();
208 	CU_ASSERT(g_bserrno == 0);
209 	CU_ASSERT(g_blobid !=  SPDK_BLOBID_INVALID);
210 	blobid = g_blobid;
211 
212 	/* Set the blob as the super blob */
213 	spdk_bs_set_super(bs, blobid, blob_op_complete, NULL);
214 	poll_threads();
215 	CU_ASSERT(g_bserrno == 0);
216 
217 	/* Get the super blob */
218 	spdk_bs_get_super(bs, blob_op_with_id_complete, NULL);
219 	poll_threads();
220 	CU_ASSERT(g_bserrno == 0);
221 	CU_ASSERT(blobid == g_blobid);
222 
223 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
224 	poll_threads();
225 	CU_ASSERT(g_bserrno == 0);
226 	g_bs = NULL;
227 }
228 
229 static void
230 blob_open(void)
231 {
232 	struct spdk_blob_store *bs;
233 	struct spdk_bs_dev *dev;
234 	struct spdk_blob *blob;
235 	spdk_blob_id blobid, blobid2;
236 
237 	dev = init_dev();
238 
239 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
240 	poll_threads();
241 	CU_ASSERT(g_bserrno == 0);
242 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
243 	bs = g_bs;
244 
245 	spdk_bs_create_blob(bs, blob_op_with_id_complete, NULL);
246 	poll_threads();
247 	CU_ASSERT(g_bserrno == 0);
248 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
249 	blobid = g_blobid;
250 
251 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
252 	poll_threads();
253 	CU_ASSERT(g_bserrno == 0);
254 	CU_ASSERT(g_blob != NULL);
255 	blob = g_blob;
256 
257 	blobid2 = spdk_blob_get_id(blob);
258 	CU_ASSERT(blobid == blobid2);
259 
260 	/* Try to open file again.  It should return success. */
261 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
262 	poll_threads();
263 	CU_ASSERT(g_bserrno == 0);
264 	CU_ASSERT(blob == g_blob);
265 
266 	spdk_blob_close(blob, blob_op_complete, NULL);
267 	poll_threads();
268 	CU_ASSERT(g_bserrno == 0);
269 
270 	/*
271 	 * Close the file a second time, releasing the second reference.  This
272 	 *  should succeed.
273 	 */
274 	blob = g_blob;
275 	spdk_blob_close(blob, blob_op_complete, NULL);
276 	poll_threads();
277 	CU_ASSERT(g_bserrno == 0);
278 
279 	/*
280 	 * Try to open file again.  It should succeed.  This tests the case
281 	 *  where the file is opened, closed, then re-opened again.
282 	 */
283 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
284 	poll_threads();
285 	CU_ASSERT(g_bserrno == 0);
286 	CU_ASSERT(g_blob != NULL);
287 	blob = g_blob;
288 
289 	spdk_blob_close(blob, blob_op_complete, NULL);
290 	poll_threads();
291 	CU_ASSERT(g_bserrno == 0);
292 
293 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
294 	poll_threads();
295 	CU_ASSERT(g_bserrno == 0);
296 	g_bs = NULL;
297 }
298 
299 static void
300 blob_create(void)
301 {
302 	struct spdk_blob_store *bs;
303 	struct spdk_bs_dev *dev;
304 	struct spdk_blob *blob;
305 	struct spdk_blob_opts opts;
306 	spdk_blob_id blobid;
307 
308 	dev = init_dev();
309 
310 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
311 	poll_threads();
312 	CU_ASSERT(g_bserrno == 0);
313 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
314 	bs = g_bs;
315 
316 	/* Create blob with 10 clusters */
317 
318 	spdk_blob_opts_init(&opts);
319 	opts.num_clusters = 10;
320 
321 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
322 	poll_threads();
323 	CU_ASSERT(g_bserrno == 0);
324 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
325 	blobid = g_blobid;
326 
327 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
328 	poll_threads();
329 	CU_ASSERT(g_bserrno == 0);
330 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
331 	blob = g_blob;
332 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 10);
333 
334 	spdk_blob_close(blob, blob_op_complete, NULL);
335 	poll_threads();
336 	CU_ASSERT(g_bserrno == 0);
337 
338 	/* Create blob with 0 clusters */
339 
340 	spdk_blob_opts_init(&opts);
341 	opts.num_clusters = 0;
342 
343 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
344 	poll_threads();
345 	CU_ASSERT(g_bserrno == 0);
346 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
347 	blobid = g_blobid;
348 
349 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
350 	poll_threads();
351 	CU_ASSERT(g_bserrno == 0);
352 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
353 	blob = g_blob;
354 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 0);
355 
356 	spdk_blob_close(blob, blob_op_complete, NULL);
357 	poll_threads();
358 	CU_ASSERT(g_bserrno == 0);
359 
360 	/* Create blob with default options (opts == NULL) */
361 
362 	spdk_bs_create_blob_ext(bs, NULL, blob_op_with_id_complete, NULL);
363 	poll_threads();
364 	CU_ASSERT(g_bserrno == 0);
365 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
366 	blobid = g_blobid;
367 
368 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
369 	poll_threads();
370 	CU_ASSERT(g_bserrno == 0);
371 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
372 	blob = g_blob;
373 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 0);
374 
375 	spdk_blob_close(blob, blob_op_complete, NULL);
376 	poll_threads();
377 	CU_ASSERT(g_bserrno == 0);
378 
379 	/* Try to create blob with size larger than blobstore */
380 
381 	spdk_blob_opts_init(&opts);
382 	opts.num_clusters = bs->total_clusters + 1;
383 
384 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
385 	poll_threads();
386 	CU_ASSERT(g_bserrno == -ENOSPC);
387 
388 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
389 	poll_threads();
390 	CU_ASSERT(g_bserrno == 0);
391 	g_bs = NULL;
392 
393 }
394 
395 static void
396 blob_create_internal(void)
397 {
398 	struct spdk_blob_store *bs;
399 	struct spdk_bs_dev *dev;
400 	struct spdk_blob *blob;
401 	struct spdk_blob_opts opts;
402 	struct spdk_blob_xattr_opts internal_xattrs;
403 	const void *value;
404 	size_t value_len;
405 	spdk_blob_id blobid;
406 	int rc;
407 
408 	dev = init_dev();
409 
410 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
411 	poll_threads();
412 	CU_ASSERT(g_bserrno == 0);
413 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
414 	bs = g_bs;
415 
416 	/* Create blob with custom xattrs */
417 
418 	spdk_blob_opts_init(&opts);
419 	_spdk_blob_xattrs_init(&internal_xattrs);
420 	internal_xattrs.count = 3;
421 	internal_xattrs.names = g_xattr_names;
422 	internal_xattrs.get_value = _get_xattr_value;
423 	internal_xattrs.ctx = &g_ctx;
424 
425 	_spdk_bs_create_blob(bs, &opts, &internal_xattrs, blob_op_with_id_complete, NULL);
426 	poll_threads();
427 	CU_ASSERT(g_bserrno == 0);
428 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
429 	blobid = g_blobid;
430 
431 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
432 	poll_threads();
433 	CU_ASSERT(g_bserrno == 0);
434 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
435 	blob = g_blob;
436 
437 	rc = _spdk_blob_get_xattr_value(blob, g_xattr_names[0], &value, &value_len, true);
438 	CU_ASSERT(rc == 0);
439 	SPDK_CU_ASSERT_FATAL(value != NULL);
440 	CU_ASSERT(value_len == strlen(g_xattr_values[0]));
441 	CU_ASSERT_NSTRING_EQUAL_FATAL(value, g_xattr_values[0], value_len);
442 
443 	rc = _spdk_blob_get_xattr_value(blob, g_xattr_names[1], &value, &value_len, true);
444 	CU_ASSERT(rc == 0);
445 	SPDK_CU_ASSERT_FATAL(value != NULL);
446 	CU_ASSERT(value_len == strlen(g_xattr_values[1]));
447 	CU_ASSERT_NSTRING_EQUAL((char *)value, g_xattr_values[1], value_len);
448 
449 	rc = _spdk_blob_get_xattr_value(blob, g_xattr_names[2], &value, &value_len, true);
450 	CU_ASSERT(rc == 0);
451 	SPDK_CU_ASSERT_FATAL(value != NULL);
452 	CU_ASSERT(value_len == strlen(g_xattr_values[2]));
453 	CU_ASSERT_NSTRING_EQUAL((char *)value, g_xattr_values[2], value_len);
454 
455 	rc = spdk_blob_get_xattr_value(blob, g_xattr_names[0], &value, &value_len);
456 	CU_ASSERT(rc != 0);
457 
458 	rc = spdk_blob_get_xattr_value(blob, g_xattr_names[1], &value, &value_len);
459 	CU_ASSERT(rc != 0);
460 
461 	rc = spdk_blob_get_xattr_value(blob, g_xattr_names[2], &value, &value_len);
462 	CU_ASSERT(rc != 0);
463 
464 	spdk_blob_close(blob, blob_op_complete, NULL);
465 	poll_threads();
466 	CU_ASSERT(g_bserrno == 0);
467 
468 	/* Create blob with NULL internal options  */
469 
470 	_spdk_bs_create_blob(bs, NULL, NULL, blob_op_with_id_complete, NULL);
471 	poll_threads();
472 	CU_ASSERT(g_bserrno == 0);
473 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
474 	blobid = g_blobid;
475 
476 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
477 	poll_threads();
478 	CU_ASSERT(g_bserrno == 0);
479 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
480 	CU_ASSERT(TAILQ_FIRST(&g_blob->xattrs_internal) == NULL);
481 
482 	blob = g_blob;
483 
484 	spdk_blob_close(blob, blob_op_complete, NULL);
485 	poll_threads();
486 	CU_ASSERT(g_bserrno == 0);
487 
488 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
489 	poll_threads();
490 	CU_ASSERT(g_bserrno == 0);
491 	g_bs = NULL;
492 
493 }
494 
495 static void
496 blob_thin_provision(void)
497 {
498 	struct spdk_blob_store *bs;
499 	struct spdk_bs_dev *dev;
500 	struct spdk_blob *blob;
501 	struct spdk_blob_opts opts;
502 	struct spdk_bs_opts bs_opts;
503 	spdk_blob_id blobid;
504 
505 	dev = init_dev();
506 	spdk_bs_opts_init(&bs_opts);
507 	snprintf(bs_opts.bstype.bstype, sizeof(bs_opts.bstype.bstype), "TESTTYPE");
508 
509 	/* Initialize a new blob store */
510 	spdk_bs_init(dev, &bs_opts, bs_op_with_handle_complete, NULL);
511 	poll_threads();
512 	CU_ASSERT(g_bserrno == 0);
513 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
514 
515 	bs = g_bs;
516 
517 	/* Create blob with thin provisioning enabled */
518 
519 	spdk_blob_opts_init(&opts);
520 	opts.thin_provision = true;
521 	opts.num_clusters = 10;
522 
523 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
524 	poll_threads();
525 	CU_ASSERT(g_bserrno == 0);
526 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
527 	blobid = g_blobid;
528 
529 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
530 	poll_threads();
531 	CU_ASSERT(g_bserrno == 0);
532 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
533 	blob = g_blob;
534 	CU_ASSERT(blob->invalid_flags & SPDK_BLOB_THIN_PROV);
535 
536 	spdk_blob_close(blob, blob_op_complete, NULL);
537 	CU_ASSERT(g_bserrno == 0);
538 
539 	/* Do not shut down cleanly.  This makes sure that when we load again
540 	 *  and try to recover a valid used_cluster map, that blobstore will
541 	 *  ignore clusters with index 0 since these are unallocated clusters.
542 	 */
543 
544 	/* Load an existing blob store and check if invalid_flags is set */
545 	dev = init_dev();
546 	snprintf(bs_opts.bstype.bstype, sizeof(bs_opts.bstype.bstype), "TESTTYPE");
547 	spdk_bs_load(dev, &bs_opts, bs_op_with_handle_complete, NULL);
548 	poll_threads();
549 	CU_ASSERT(g_bserrno == 0);
550 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
551 
552 	bs = g_bs;
553 
554 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
555 	poll_threads();
556 	CU_ASSERT(g_bserrno == 0);
557 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
558 	blob = g_blob;
559 	CU_ASSERT(blob->invalid_flags & SPDK_BLOB_THIN_PROV);
560 
561 	spdk_blob_close(blob, blob_op_complete, NULL);
562 	poll_threads();
563 	CU_ASSERT(g_bserrno == 0);
564 
565 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
566 	poll_threads();
567 	CU_ASSERT(g_bserrno == 0);
568 	g_bs = NULL;
569 }
570 
571 static void
572 blob_snapshot(void)
573 {
574 	struct spdk_blob_store *bs;
575 	struct spdk_bs_dev *dev;
576 	struct spdk_blob *blob;
577 	struct spdk_blob *snapshot, *snapshot2;
578 	struct spdk_blob_bs_dev *blob_bs_dev;
579 	struct spdk_blob_opts opts;
580 	struct spdk_blob_xattr_opts xattrs;
581 	spdk_blob_id blobid;
582 	spdk_blob_id snapshotid;
583 	spdk_blob_id snapshotid2;
584 	const void *value;
585 	size_t value_len;
586 	int rc;
587 
588 	dev = init_dev();
589 
590 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
591 	poll_threads();
592 	CU_ASSERT(g_bserrno == 0);
593 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
594 	bs = g_bs;
595 
596 	/* Create blob with 10 clusters */
597 	spdk_blob_opts_init(&opts);
598 	opts.num_clusters = 10;
599 
600 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
601 	poll_threads();
602 	CU_ASSERT(g_bserrno == 0);
603 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
604 	blobid = g_blobid;
605 
606 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
607 	poll_threads();
608 	CU_ASSERT(g_bserrno == 0);
609 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
610 	blob = g_blob;
611 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 10);
612 
613 	/* Create snapshot from blob */
614 	CU_ASSERT_EQUAL(_get_snapshots_count(bs), 0);
615 	spdk_bs_create_snapshot(bs, blobid, NULL, blob_op_with_id_complete, NULL);
616 	poll_threads();
617 	CU_ASSERT(g_bserrno == 0);
618 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
619 	CU_ASSERT_EQUAL(_get_snapshots_count(bs), 1);
620 	snapshotid = g_blobid;
621 
622 	spdk_bs_open_blob(bs, snapshotid, blob_op_with_handle_complete, NULL);
623 	poll_threads();
624 	CU_ASSERT(g_bserrno == 0);
625 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
626 	snapshot = g_blob;
627 	CU_ASSERT(snapshot->data_ro == true);
628 	CU_ASSERT(snapshot->md_ro == true);
629 	CU_ASSERT(spdk_blob_get_num_clusters(snapshot) == 10);
630 
631 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 10);
632 	CU_ASSERT(blob->invalid_flags & SPDK_BLOB_THIN_PROV);
633 	CU_ASSERT(spdk_mem_all_zero(blob->active.clusters,
634 				    blob->active.num_clusters * sizeof(blob->active.clusters[0])));
635 
636 	/* Try to create snapshot from clone with xattrs */
637 	xattrs.names = g_xattr_names;
638 	xattrs.get_value = _get_xattr_value;
639 	xattrs.count = 3;
640 	xattrs.ctx = &g_ctx;
641 	spdk_bs_create_snapshot(bs, blobid, &xattrs, blob_op_with_id_complete, NULL);
642 	poll_threads();
643 	CU_ASSERT(g_bserrno == 0);
644 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
645 	CU_ASSERT_EQUAL(_get_snapshots_count(bs), 2);
646 	snapshotid2 = g_blobid;
647 
648 	spdk_bs_open_blob(bs, snapshotid2, blob_op_with_handle_complete, NULL);
649 	CU_ASSERT(g_bserrno == 0);
650 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
651 	snapshot2 = g_blob;
652 	CU_ASSERT(snapshot2->data_ro == true);
653 	CU_ASSERT(snapshot2->md_ro == true);
654 	CU_ASSERT(spdk_blob_get_num_clusters(snapshot2) == 10);
655 
656 	/* Confirm that blob is backed by snapshot2 and snapshot2 is backed by snapshot */
657 	CU_ASSERT(snapshot->back_bs_dev == NULL);
658 	SPDK_CU_ASSERT_FATAL(blob->back_bs_dev != NULL);
659 	SPDK_CU_ASSERT_FATAL(snapshot2->back_bs_dev != NULL);
660 
661 	blob_bs_dev = (struct spdk_blob_bs_dev *)blob->back_bs_dev;
662 	CU_ASSERT(blob_bs_dev->blob == snapshot2);
663 
664 	blob_bs_dev = (struct spdk_blob_bs_dev *)snapshot2->back_bs_dev;
665 	CU_ASSERT(blob_bs_dev->blob == snapshot);
666 
667 	rc = spdk_blob_get_xattr_value(snapshot2, g_xattr_names[0], &value, &value_len);
668 	CU_ASSERT(rc == 0);
669 	SPDK_CU_ASSERT_FATAL(value != NULL);
670 	CU_ASSERT(value_len == strlen(g_xattr_values[0]));
671 	CU_ASSERT_NSTRING_EQUAL_FATAL(value, g_xattr_values[0], value_len);
672 
673 	rc = spdk_blob_get_xattr_value(snapshot2, g_xattr_names[1], &value, &value_len);
674 	CU_ASSERT(rc == 0);
675 	SPDK_CU_ASSERT_FATAL(value != NULL);
676 	CU_ASSERT(value_len == strlen(g_xattr_values[1]));
677 	CU_ASSERT_NSTRING_EQUAL((char *)value, g_xattr_values[1], value_len);
678 
679 	rc = spdk_blob_get_xattr_value(snapshot2, g_xattr_names[2], &value, &value_len);
680 	CU_ASSERT(rc == 0);
681 	SPDK_CU_ASSERT_FATAL(value != NULL);
682 	CU_ASSERT(value_len == strlen(g_xattr_values[2]));
683 	CU_ASSERT_NSTRING_EQUAL((char *)value, g_xattr_values[2], value_len);
684 
685 	/* Try to create snapshot from snapshot */
686 	spdk_bs_create_snapshot(bs, snapshotid, NULL, blob_op_with_id_complete, NULL);
687 	poll_threads();
688 	CU_ASSERT(g_bserrno == -EINVAL);
689 	CU_ASSERT(g_blobid == SPDK_BLOBID_INVALID);
690 	CU_ASSERT_EQUAL(_get_snapshots_count(bs), 2);
691 
692 	spdk_blob_close(blob, blob_op_complete, NULL);
693 	poll_threads();
694 	CU_ASSERT(g_bserrno == 0);
695 
696 	spdk_bs_delete_blob(bs, blobid, blob_op_complete, NULL);
697 	CU_ASSERT(g_bserrno == 0);
698 	CU_ASSERT_EQUAL(_get_snapshots_count(bs), 2);
699 
700 	spdk_blob_close(snapshot2, blob_op_complete, NULL);
701 	poll_threads();
702 	CU_ASSERT(g_bserrno == 0);
703 
704 	spdk_bs_delete_blob(bs, snapshotid2, blob_op_complete, NULL);
705 	poll_threads();
706 	CU_ASSERT(g_bserrno == 0);
707 	CU_ASSERT_EQUAL(_get_snapshots_count(bs), 1);
708 
709 	spdk_blob_close(snapshot, blob_op_complete, NULL);
710 	poll_threads();
711 	CU_ASSERT(g_bserrno == 0);
712 
713 	spdk_bs_delete_blob(bs, snapshotid, blob_op_complete, NULL);
714 	poll_threads();
715 	CU_ASSERT(g_bserrno == 0);
716 	CU_ASSERT_EQUAL(_get_snapshots_count(bs), 0);
717 
718 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
719 	poll_threads();
720 	CU_ASSERT(g_bserrno == 0);
721 	g_bs = NULL;
722 }
723 
724 static void
725 blob_snapshot_freeze_io(void)
726 {
727 	struct spdk_thread *thread;
728 	struct spdk_io_channel *channel;
729 	struct spdk_bs_channel *bs_channel;
730 	struct spdk_blob_store *bs;
731 	struct spdk_bs_dev *dev;
732 	struct spdk_blob *blob;
733 	struct spdk_blob_opts opts;
734 	spdk_blob_id blobid;
735 	uint32_t num_of_pages = 10;
736 	uint8_t payload_read[num_of_pages * SPDK_BS_PAGE_SIZE];
737 	uint8_t payload_write[num_of_pages * SPDK_BS_PAGE_SIZE];
738 	uint8_t payload_zero[num_of_pages * SPDK_BS_PAGE_SIZE];
739 
740 	memset(payload_write, 0xE5, sizeof(payload_write));
741 	memset(payload_read, 0x00, sizeof(payload_read));
742 	memset(payload_zero, 0x00, sizeof(payload_zero));
743 
744 	dev = init_dev();
745 	memset(g_dev_buffer, 0, DEV_BUFFER_SIZE);
746 
747 	/* Test freeze I/O during snapshot */
748 
749 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
750 	poll_threads();
751 	CU_ASSERT(g_bserrno == 0);
752 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
753 	bs = g_bs;
754 
755 	channel = spdk_bs_alloc_io_channel(bs);
756 	bs_channel = spdk_io_channel_get_ctx(channel);
757 
758 	/* Create blob with 10 clusters */
759 	spdk_blob_opts_init(&opts);
760 	opts.num_clusters = 10;
761 	opts.thin_provision = false;
762 
763 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
764 	poll_threads();
765 	CU_ASSERT(g_bserrno == 0);
766 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
767 	blobid = g_blobid;
768 
769 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
770 	poll_threads();
771 	CU_ASSERT(g_bserrno == 0);
772 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
773 	blob = g_blob;
774 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 10);
775 
776 	spdk_bs_create_snapshot(bs, blobid, NULL, blob_op_with_id_complete, NULL);
777 
778 	/* This is implementation specific.
779 	 * Flag 'frozen_io' is set in _spdk_bs_snapshot_freeze_cpl callback.
780 	 * Four async I/O operations happen before that. */
781 	thread = spdk_get_thread();
782 	spdk_thread_poll(thread, 1, 0);
783 	spdk_thread_poll(thread, 1, 0);
784 	spdk_thread_poll(thread, 1, 0);
785 
786 	CU_ASSERT(TAILQ_EMPTY(&bs_channel->queued_io));
787 
788 	/* Blob I/O should be frozen here */
789 	CU_ASSERT(blob->frozen_refcnt == 1);
790 
791 	/* Write to the blob */
792 	spdk_blob_io_write(blob, channel, payload_write, 0, num_of_pages, blob_op_complete, NULL);
793 
794 	/* Verify that I/O is queued */
795 	CU_ASSERT(!TAILQ_EMPTY(&bs_channel->queued_io));
796 	/* Verify that payload is not written to disk */
797 	CU_ASSERT(memcmp(payload_zero, &g_dev_buffer[blob->active.clusters[0]*SPDK_BS_PAGE_SIZE],
798 			 SPDK_BS_PAGE_SIZE) == 0);
799 
800 	/* Finish all operations including spdk_bs_create_snapshot */
801 	poll_threads();
802 
803 	/* Verify snapshot */
804 	CU_ASSERT(g_bserrno == 0);
805 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
806 
807 	/* Verify that blob has unset frozen_io */
808 	CU_ASSERT(blob->frozen_refcnt == 0);
809 
810 	/* Verify that postponed I/O completed successfully by comparing payload */
811 	spdk_blob_io_read(blob, channel, payload_read, 0, num_of_pages, blob_op_complete, NULL);
812 	poll_threads();
813 	CU_ASSERT(g_bserrno == 0);
814 	CU_ASSERT(memcmp(payload_write, payload_read, num_of_pages * SPDK_BS_PAGE_SIZE) == 0);
815 
816 	spdk_blob_close(blob, blob_op_complete, NULL);
817 	poll_threads();
818 	CU_ASSERT(g_bserrno == 0);
819 
820 	spdk_bs_free_io_channel(channel);
821 	poll_threads();
822 
823 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
824 	poll_threads();
825 	CU_ASSERT(g_bserrno == 0);
826 	g_bs = NULL;
827 }
828 
829 static void
830 blob_clone(void)
831 {
832 	struct spdk_blob_store *bs;
833 	struct spdk_bs_dev *dev;
834 	struct spdk_blob_opts opts;
835 	struct spdk_blob *blob, *snapshot, *clone;
836 	spdk_blob_id blobid, cloneid, snapshotid;
837 	struct spdk_blob_xattr_opts xattrs;
838 	const void *value;
839 	size_t value_len;
840 	int rc;
841 
842 	dev = init_dev();
843 
844 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
845 	poll_threads();
846 	CU_ASSERT(g_bserrno == 0);
847 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
848 	bs = g_bs;
849 
850 	/* Create blob with 10 clusters */
851 
852 	spdk_blob_opts_init(&opts);
853 	opts.num_clusters = 10;
854 
855 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
856 	poll_threads();
857 	CU_ASSERT(g_bserrno == 0);
858 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
859 	blobid = g_blobid;
860 
861 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
862 	poll_threads();
863 	CU_ASSERT(g_bserrno == 0);
864 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
865 	blob = g_blob;
866 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 10);
867 
868 	/* Create snapshot */
869 	spdk_bs_create_snapshot(bs, blobid, NULL, blob_op_with_id_complete, NULL);
870 	poll_threads();
871 	CU_ASSERT(g_bserrno == 0);
872 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
873 	snapshotid = g_blobid;
874 
875 	spdk_bs_open_blob(bs, snapshotid, blob_op_with_handle_complete, NULL);
876 	poll_threads();
877 	CU_ASSERT(g_bserrno == 0);
878 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
879 	snapshot = g_blob;
880 	CU_ASSERT(snapshot->data_ro == true);
881 	CU_ASSERT(snapshot->md_ro == true);
882 	CU_ASSERT(spdk_blob_get_num_clusters(snapshot) == 10);
883 
884 	spdk_blob_close(snapshot, blob_op_complete, NULL);
885 	poll_threads();
886 	CU_ASSERT(g_bserrno == 0);
887 
888 	/* Create clone from snapshot with xattrs */
889 	xattrs.names = g_xattr_names;
890 	xattrs.get_value = _get_xattr_value;
891 	xattrs.count = 3;
892 	xattrs.ctx = &g_ctx;
893 
894 	spdk_bs_create_clone(bs, snapshotid, &xattrs, blob_op_with_id_complete, NULL);
895 	poll_threads();
896 	CU_ASSERT(g_bserrno == 0);
897 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
898 	cloneid = g_blobid;
899 
900 	spdk_bs_open_blob(bs, cloneid, blob_op_with_handle_complete, NULL);
901 	poll_threads();
902 	CU_ASSERT(g_bserrno == 0);
903 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
904 	clone = g_blob;
905 	CU_ASSERT(clone->data_ro == false);
906 	CU_ASSERT(clone->md_ro == false);
907 	CU_ASSERT(spdk_blob_get_num_clusters(clone) == 10);
908 
909 	rc = spdk_blob_get_xattr_value(clone, g_xattr_names[0], &value, &value_len);
910 	CU_ASSERT(rc == 0);
911 	SPDK_CU_ASSERT_FATAL(value != NULL);
912 	CU_ASSERT(value_len == strlen(g_xattr_values[0]));
913 	CU_ASSERT_NSTRING_EQUAL_FATAL(value, g_xattr_values[0], value_len);
914 
915 	rc = spdk_blob_get_xattr_value(clone, g_xattr_names[1], &value, &value_len);
916 	CU_ASSERT(rc == 0);
917 	SPDK_CU_ASSERT_FATAL(value != NULL);
918 	CU_ASSERT(value_len == strlen(g_xattr_values[1]));
919 	CU_ASSERT_NSTRING_EQUAL((char *)value, g_xattr_values[1], value_len);
920 
921 	rc = spdk_blob_get_xattr_value(clone, g_xattr_names[2], &value, &value_len);
922 	CU_ASSERT(rc == 0);
923 	SPDK_CU_ASSERT_FATAL(value != NULL);
924 	CU_ASSERT(value_len == strlen(g_xattr_values[2]));
925 	CU_ASSERT_NSTRING_EQUAL((char *)value, g_xattr_values[2], value_len);
926 
927 
928 	spdk_blob_close(clone, blob_op_complete, NULL);
929 	poll_threads();
930 	CU_ASSERT(g_bserrno == 0);
931 
932 	/* Try to create clone from not read only blob */
933 	spdk_bs_create_clone(bs, blobid, NULL, blob_op_with_id_complete, NULL);
934 	poll_threads();
935 	CU_ASSERT(g_bserrno == -EINVAL);
936 	CU_ASSERT(g_blobid == SPDK_BLOBID_INVALID);
937 
938 	/* Mark blob as read only */
939 	spdk_blob_set_read_only(blob);
940 	spdk_blob_sync_md(blob, blob_op_complete, NULL);
941 	poll_threads();
942 	CU_ASSERT(g_bserrno == 0);
943 
944 	/* Create clone from read only blob */
945 	spdk_bs_create_clone(bs, blobid, NULL, blob_op_with_id_complete, NULL);
946 	poll_threads();
947 	CU_ASSERT(g_bserrno == 0);
948 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
949 	cloneid = g_blobid;
950 
951 	spdk_bs_open_blob(bs, cloneid, blob_op_with_handle_complete, NULL);
952 	poll_threads();
953 	CU_ASSERT(g_bserrno == 0);
954 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
955 	clone = g_blob;
956 	CU_ASSERT(clone->data_ro == false);
957 	CU_ASSERT(clone->md_ro == false);
958 	CU_ASSERT(spdk_blob_get_num_clusters(clone) == 10);
959 
960 	spdk_blob_close(clone, blob_op_complete, NULL);
961 	poll_threads();
962 	CU_ASSERT(g_bserrno == 0);
963 
964 	spdk_blob_close(blob, blob_op_complete, NULL);
965 	poll_threads();
966 	CU_ASSERT(g_bserrno == 0);
967 
968 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
969 	poll_threads();
970 	CU_ASSERT(g_bserrno == 0);
971 	g_bs = NULL;
972 
973 }
974 
975 static void
976 _blob_inflate(bool decouple_parent)
977 {
978 	struct spdk_blob_store *bs;
979 	struct spdk_bs_dev *dev;
980 	struct spdk_blob_opts opts;
981 	struct spdk_blob *blob, *snapshot;
982 	spdk_blob_id blobid, snapshotid;
983 	struct spdk_io_channel *channel;
984 	uint64_t free_clusters;
985 
986 	dev = init_dev();
987 
988 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
989 	poll_threads();
990 	CU_ASSERT(g_bserrno == 0);
991 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
992 	bs = g_bs;
993 
994 	channel = spdk_bs_alloc_io_channel(bs);
995 	SPDK_CU_ASSERT_FATAL(channel != NULL);
996 
997 	/* Create blob with 10 clusters */
998 
999 	spdk_blob_opts_init(&opts);
1000 	opts.num_clusters = 10;
1001 	opts.thin_provision = true;
1002 
1003 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
1004 	poll_threads();
1005 	CU_ASSERT(g_bserrno == 0);
1006 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
1007 	blobid = g_blobid;
1008 
1009 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
1010 	poll_threads();
1011 	CU_ASSERT(g_bserrno == 0);
1012 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
1013 	blob = g_blob;
1014 
1015 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 10);
1016 	CU_ASSERT(spdk_blob_is_thin_provisioned(blob) == true);
1017 
1018 	/* 1) Blob with no parent */
1019 	if (decouple_parent) {
1020 		/* Decouple parent of blob with no parent (should fail) */
1021 		spdk_bs_blob_decouple_parent(bs, channel, blobid, blob_op_complete, NULL);
1022 		poll_threads();
1023 		CU_ASSERT(g_bserrno != 0);
1024 	} else {
1025 		/* Inflate of thin blob with no parent should made it thick */
1026 		spdk_bs_inflate_blob(bs, channel, blobid, blob_op_complete, NULL);
1027 		poll_threads();
1028 		CU_ASSERT(g_bserrno == 0);
1029 		CU_ASSERT(spdk_blob_is_thin_provisioned(blob) == false);
1030 	}
1031 
1032 	spdk_bs_create_snapshot(bs, blobid, NULL, blob_op_with_id_complete, NULL);
1033 	poll_threads();
1034 	CU_ASSERT(g_bserrno == 0);
1035 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
1036 	snapshotid = g_blobid;
1037 
1038 	CU_ASSERT(spdk_blob_is_thin_provisioned(blob) == true);
1039 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 10);
1040 
1041 	spdk_bs_open_blob(bs, snapshotid, blob_op_with_handle_complete, NULL);
1042 	poll_threads();
1043 	CU_ASSERT(g_bserrno == 0);
1044 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
1045 	snapshot = g_blob;
1046 	CU_ASSERT(snapshot->data_ro == true);
1047 	CU_ASSERT(snapshot->md_ro == true);
1048 	CU_ASSERT(spdk_blob_get_num_clusters(snapshot) == 10);
1049 
1050 	spdk_blob_close(snapshot, blob_op_complete, NULL);
1051 	poll_threads();
1052 	CU_ASSERT(g_bserrno == 0);
1053 
1054 	free_clusters = spdk_bs_free_cluster_count(bs);
1055 
1056 	/* 2) Blob with parent */
1057 	if (!decouple_parent) {
1058 		/* Do full blob inflation */
1059 		spdk_bs_inflate_blob(bs, channel, blobid, blob_op_complete, NULL);
1060 		poll_threads();
1061 		CU_ASSERT(g_bserrno == 0);
1062 		/* all 10 clusters should be allocated */
1063 		CU_ASSERT(spdk_bs_free_cluster_count(bs) == free_clusters - 10);
1064 	} else {
1065 		/* Decouple parent of blob */
1066 		spdk_bs_blob_decouple_parent(bs, channel, blobid, blob_op_complete, NULL);
1067 		poll_threads();
1068 		CU_ASSERT(g_bserrno == 0);
1069 		/* when only parent is removed, none of the clusters should be allocated */
1070 		CU_ASSERT(spdk_bs_free_cluster_count(bs) == free_clusters);
1071 	}
1072 
1073 	/* Now, it should be possible to delete snapshot */
1074 	spdk_bs_delete_blob(bs, snapshotid, blob_op_complete, NULL);
1075 	poll_threads();
1076 	CU_ASSERT(g_bserrno == 0);
1077 
1078 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 10);
1079 	CU_ASSERT(spdk_blob_is_thin_provisioned(blob) == decouple_parent);
1080 
1081 	spdk_blob_close(blob, blob_op_complete, NULL);
1082 	poll_threads();
1083 	CU_ASSERT(g_bserrno == 0);
1084 
1085 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
1086 	poll_threads();
1087 	CU_ASSERT(g_bserrno == 0);
1088 	g_bs = NULL;
1089 
1090 	spdk_bs_free_io_channel(channel);
1091 	poll_threads();
1092 }
1093 
1094 static void
1095 blob_inflate(void)
1096 {
1097 	_blob_inflate(false);
1098 	_blob_inflate(true);
1099 }
1100 
1101 static void
1102 blob_delete(void)
1103 {
1104 	struct spdk_blob_store *bs;
1105 	struct spdk_bs_dev *dev;
1106 	spdk_blob_id blobid;
1107 
1108 	dev = init_dev();
1109 
1110 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
1111 	poll_threads();
1112 	CU_ASSERT(g_bserrno == 0);
1113 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
1114 	bs = g_bs;
1115 
1116 	/* Create a blob and then delete it. */
1117 	spdk_bs_create_blob(bs, blob_op_with_id_complete, NULL);
1118 	poll_threads();
1119 	CU_ASSERT(g_bserrno == 0);
1120 	CU_ASSERT(g_blobid > 0);
1121 	blobid = g_blobid;
1122 
1123 	spdk_bs_delete_blob(bs, blobid, blob_op_complete, NULL);
1124 	poll_threads();
1125 	CU_ASSERT(g_bserrno == 0);
1126 
1127 	/* Try to open the blob */
1128 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
1129 	poll_threads();
1130 	CU_ASSERT(g_bserrno == -ENOENT);
1131 
1132 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
1133 	poll_threads();
1134 	CU_ASSERT(g_bserrno == 0);
1135 	g_bs = NULL;
1136 }
1137 
1138 static void
1139 blob_resize(void)
1140 {
1141 	struct spdk_blob_store *bs;
1142 	struct spdk_bs_dev *dev;
1143 	struct spdk_blob *blob;
1144 	spdk_blob_id blobid;
1145 	uint64_t free_clusters;
1146 
1147 	dev = init_dev();
1148 
1149 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
1150 	poll_threads();
1151 	CU_ASSERT(g_bserrno == 0);
1152 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
1153 	bs = g_bs;
1154 	free_clusters = spdk_bs_free_cluster_count(bs);
1155 
1156 	spdk_bs_create_blob(bs, blob_op_with_id_complete, NULL);
1157 	poll_threads();
1158 	CU_ASSERT(g_bserrno == 0);
1159 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
1160 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
1161 	blobid = g_blobid;
1162 
1163 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
1164 	poll_threads();
1165 	CU_ASSERT(g_bserrno == 0);
1166 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
1167 	blob = g_blob;
1168 
1169 	/* Confirm that resize fails if blob is marked read-only. */
1170 	blob->md_ro = true;
1171 	spdk_blob_resize(blob, 5, blob_op_complete, NULL);
1172 	poll_threads();
1173 	CU_ASSERT(g_bserrno == -EPERM);
1174 	blob->md_ro = false;
1175 
1176 	/* The blob started at 0 clusters. Resize it to be 5. */
1177 	spdk_blob_resize(blob, 5, blob_op_complete, NULL);
1178 	poll_threads();
1179 	CU_ASSERT(g_bserrno == 0);
1180 	CU_ASSERT((free_clusters - 5) == spdk_bs_free_cluster_count(bs));
1181 
1182 	/* Shrink the blob to 3 clusters. This will not actually release
1183 	 * the old clusters until the blob is synced.
1184 	 */
1185 	spdk_blob_resize(blob, 3, blob_op_complete, NULL);
1186 	poll_threads();
1187 	CU_ASSERT(g_bserrno == 0);
1188 	/* Verify there are still 5 clusters in use */
1189 	CU_ASSERT((free_clusters - 5) == spdk_bs_free_cluster_count(bs));
1190 
1191 	spdk_blob_sync_md(blob, blob_op_complete, NULL);
1192 	poll_threads();
1193 	CU_ASSERT(g_bserrno == 0);
1194 	/* Now there are only 3 clusters in use */
1195 	CU_ASSERT((free_clusters - 3) == spdk_bs_free_cluster_count(bs));
1196 
1197 	/* Resize the blob to be 10 clusters. Growth takes effect immediately. */
1198 	spdk_blob_resize(blob, 10, blob_op_complete, NULL);
1199 	poll_threads();
1200 	CU_ASSERT(g_bserrno == 0);
1201 	CU_ASSERT((free_clusters - 10) == spdk_bs_free_cluster_count(bs));
1202 
1203 	/* Try to resize the blob to size larger than blobstore. */
1204 	spdk_blob_resize(blob, bs->total_clusters + 1, blob_op_complete, NULL);
1205 	poll_threads();
1206 	CU_ASSERT(g_bserrno == -ENOSPC);
1207 
1208 	spdk_blob_close(blob, blob_op_complete, NULL);
1209 	poll_threads();
1210 	CU_ASSERT(g_bserrno == 0);
1211 
1212 	spdk_bs_delete_blob(bs, blobid, blob_op_complete, NULL);
1213 	poll_threads();
1214 	CU_ASSERT(g_bserrno == 0);
1215 
1216 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
1217 	poll_threads();
1218 	CU_ASSERT(g_bserrno == 0);
1219 	g_bs = NULL;
1220 }
1221 
1222 static void
1223 blob_read_only(void)
1224 {
1225 	struct spdk_blob_store *bs;
1226 	struct spdk_bs_dev *dev;
1227 	struct spdk_blob *blob;
1228 	struct spdk_bs_opts opts;
1229 	spdk_blob_id blobid;
1230 	int rc;
1231 
1232 	dev = init_dev();
1233 	spdk_bs_opts_init(&opts);
1234 	snprintf(opts.bstype.bstype, sizeof(opts.bstype.bstype), "TESTTYPE");
1235 
1236 	spdk_bs_init(dev, &opts, bs_op_with_handle_complete, NULL);
1237 	poll_threads();
1238 	CU_ASSERT(g_bserrno == 0);
1239 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
1240 	bs = g_bs;
1241 
1242 	spdk_bs_create_blob(bs, blob_op_with_id_complete, NULL);
1243 	poll_threads();
1244 	CU_ASSERT(g_bserrno == 0);
1245 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
1246 	blobid = g_blobid;
1247 
1248 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
1249 	poll_threads();
1250 	CU_ASSERT(g_bserrno == 0);
1251 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
1252 	blob = g_blob;
1253 
1254 	rc = spdk_blob_set_read_only(blob);
1255 	CU_ASSERT(rc == 0);
1256 
1257 	CU_ASSERT(blob->data_ro == false);
1258 	CU_ASSERT(blob->md_ro == false);
1259 
1260 	spdk_blob_sync_md(blob, bs_op_complete, NULL);
1261 	poll_threads();
1262 
1263 	CU_ASSERT(blob->data_ro == true);
1264 	CU_ASSERT(blob->md_ro == true);
1265 	CU_ASSERT(blob->data_ro_flags & SPDK_BLOB_READ_ONLY);
1266 
1267 	spdk_blob_close(blob, blob_op_complete, NULL);
1268 	poll_threads();
1269 	CU_ASSERT(g_bserrno == 0);
1270 
1271 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
1272 	poll_threads();
1273 	CU_ASSERT(g_bserrno == 0);
1274 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
1275 	blob = g_blob;
1276 
1277 	CU_ASSERT(blob->data_ro == true);
1278 	CU_ASSERT(blob->md_ro == true);
1279 	CU_ASSERT(blob->data_ro_flags & SPDK_BLOB_READ_ONLY);
1280 
1281 	spdk_blob_close(blob, blob_op_complete, NULL);
1282 	poll_threads();
1283 	CU_ASSERT(g_bserrno == 0);
1284 
1285 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
1286 	poll_threads();
1287 	CU_ASSERT(g_bserrno == 0);
1288 	g_bs = NULL;
1289 	g_blob = NULL;
1290 	g_blobid = 0;
1291 
1292 	/* Load an existing blob store */
1293 	dev = init_dev();
1294 	snprintf(opts.bstype.bstype, sizeof(opts.bstype.bstype), "TESTTYPE");
1295 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
1296 	poll_threads();
1297 	CU_ASSERT(g_bserrno == 0);
1298 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
1299 
1300 	spdk_bs_open_blob(g_bs, blobid, blob_op_with_handle_complete, NULL);
1301 	poll_threads();
1302 	CU_ASSERT(g_bserrno == 0);
1303 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
1304 	blob = g_blob;
1305 
1306 	CU_ASSERT(blob->data_ro == true);
1307 	CU_ASSERT(blob->md_ro == true);
1308 	CU_ASSERT(blob->data_ro_flags & SPDK_BLOB_READ_ONLY);
1309 
1310 	spdk_blob_close(blob, blob_op_complete, NULL);
1311 	poll_threads();
1312 	CU_ASSERT(g_bserrno == 0);
1313 
1314 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
1315 	poll_threads();
1316 	CU_ASSERT(g_bserrno == 0);
1317 
1318 }
1319 
1320 static void
1321 channel_ops(void)
1322 {
1323 	struct spdk_blob_store *bs;
1324 	struct spdk_bs_dev *dev;
1325 	struct spdk_io_channel *channel;
1326 
1327 	dev = init_dev();
1328 
1329 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
1330 	poll_threads();
1331 	CU_ASSERT(g_bserrno == 0);
1332 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
1333 	bs = g_bs;
1334 
1335 	channel = spdk_bs_alloc_io_channel(bs);
1336 	CU_ASSERT(channel != NULL);
1337 
1338 	spdk_bs_free_io_channel(channel);
1339 	poll_threads();
1340 
1341 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
1342 	poll_threads();
1343 	CU_ASSERT(g_bserrno == 0);
1344 	g_bs = NULL;
1345 }
1346 
1347 static void
1348 blob_write(void)
1349 {
1350 	struct spdk_blob_store *bs;
1351 	struct spdk_bs_dev *dev;
1352 	struct spdk_blob *blob;
1353 	struct spdk_io_channel *channel;
1354 	spdk_blob_id blobid;
1355 	uint64_t pages_per_cluster;
1356 	uint8_t payload[10 * 4096];
1357 
1358 	dev = init_dev();
1359 
1360 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
1361 	poll_threads();
1362 	CU_ASSERT(g_bserrno == 0);
1363 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
1364 	bs = g_bs;
1365 
1366 	pages_per_cluster = spdk_bs_get_cluster_size(bs) / spdk_bs_get_page_size(bs);
1367 
1368 	channel = spdk_bs_alloc_io_channel(bs);
1369 	CU_ASSERT(channel != NULL);
1370 
1371 	spdk_bs_create_blob(bs, blob_op_with_id_complete, NULL);
1372 	poll_threads();
1373 	CU_ASSERT(g_bserrno == 0);
1374 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
1375 	blobid = g_blobid;
1376 
1377 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
1378 	poll_threads();
1379 	CU_ASSERT(g_bserrno == 0);
1380 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
1381 	blob = g_blob;
1382 
1383 	/* Write to a blob with 0 size */
1384 	spdk_blob_io_write(blob, channel, payload, 0, 1, blob_op_complete, NULL);
1385 	poll_threads();
1386 	CU_ASSERT(g_bserrno == -EINVAL);
1387 
1388 	/* Resize the blob */
1389 	spdk_blob_resize(blob, 5, blob_op_complete, NULL);
1390 	poll_threads();
1391 	CU_ASSERT(g_bserrno == 0);
1392 
1393 	/* Confirm that write fails if blob is marked read-only. */
1394 	blob->data_ro = true;
1395 	spdk_blob_io_write(blob, channel, payload, 0, 1, blob_op_complete, NULL);
1396 	poll_threads();
1397 	CU_ASSERT(g_bserrno == -EPERM);
1398 	blob->data_ro = false;
1399 
1400 	/* Write to the blob */
1401 	spdk_blob_io_write(blob, channel, payload, 0, 1, blob_op_complete, NULL);
1402 	poll_threads();
1403 	CU_ASSERT(g_bserrno == 0);
1404 
1405 	/* Write starting beyond the end */
1406 	spdk_blob_io_write(blob, channel, payload, 5 * pages_per_cluster, 1, blob_op_complete,
1407 			   NULL);
1408 	poll_threads();
1409 	CU_ASSERT(g_bserrno == -EINVAL);
1410 
1411 	/* Write starting at a valid location but going off the end */
1412 	spdk_blob_io_write(blob, channel, payload, 4 * pages_per_cluster, pages_per_cluster + 1,
1413 			   blob_op_complete, NULL);
1414 	poll_threads();
1415 	CU_ASSERT(g_bserrno == -EINVAL);
1416 
1417 	spdk_blob_close(blob, blob_op_complete, NULL);
1418 	poll_threads();
1419 	CU_ASSERT(g_bserrno == 0);
1420 
1421 	spdk_bs_free_io_channel(channel);
1422 	poll_threads();
1423 
1424 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
1425 	poll_threads();
1426 	CU_ASSERT(g_bserrno == 0);
1427 	g_bs = NULL;
1428 }
1429 
1430 static void
1431 blob_read(void)
1432 {
1433 	struct spdk_blob_store *bs;
1434 	struct spdk_bs_dev *dev;
1435 	struct spdk_blob *blob;
1436 	struct spdk_io_channel *channel;
1437 	spdk_blob_id blobid;
1438 	uint64_t pages_per_cluster;
1439 	uint8_t payload[10 * 4096];
1440 
1441 	dev = init_dev();
1442 
1443 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
1444 	poll_threads();
1445 	CU_ASSERT(g_bserrno == 0);
1446 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
1447 	bs = g_bs;
1448 
1449 	pages_per_cluster = spdk_bs_get_cluster_size(bs) / spdk_bs_get_page_size(bs);
1450 
1451 	channel = spdk_bs_alloc_io_channel(bs);
1452 	CU_ASSERT(channel != NULL);
1453 
1454 	spdk_bs_create_blob(bs, blob_op_with_id_complete, NULL);
1455 	poll_threads();
1456 	CU_ASSERT(g_bserrno == 0);
1457 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
1458 	blobid = g_blobid;
1459 
1460 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
1461 	poll_threads();
1462 	CU_ASSERT(g_bserrno == 0);
1463 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
1464 	blob = g_blob;
1465 
1466 	/* Read from a blob with 0 size */
1467 	spdk_blob_io_read(blob, channel, payload, 0, 1, blob_op_complete, NULL);
1468 	poll_threads();
1469 	CU_ASSERT(g_bserrno == -EINVAL);
1470 
1471 	/* Resize the blob */
1472 	spdk_blob_resize(blob, 5, blob_op_complete, NULL);
1473 	poll_threads();
1474 	CU_ASSERT(g_bserrno == 0);
1475 
1476 	/* Confirm that read passes if blob is marked read-only. */
1477 	blob->data_ro = true;
1478 	spdk_blob_io_read(blob, channel, payload, 0, 1, blob_op_complete, NULL);
1479 	poll_threads();
1480 	CU_ASSERT(g_bserrno == 0);
1481 	blob->data_ro = false;
1482 
1483 	/* Read from the blob */
1484 	spdk_blob_io_read(blob, channel, payload, 0, 1, blob_op_complete, NULL);
1485 	poll_threads();
1486 	CU_ASSERT(g_bserrno == 0);
1487 
1488 	/* Read starting beyond the end */
1489 	spdk_blob_io_read(blob, channel, payload, 5 * pages_per_cluster, 1, blob_op_complete,
1490 			  NULL);
1491 	poll_threads();
1492 	CU_ASSERT(g_bserrno == -EINVAL);
1493 
1494 	/* Read starting at a valid location but going off the end */
1495 	spdk_blob_io_read(blob, channel, payload, 4 * pages_per_cluster, pages_per_cluster + 1,
1496 			  blob_op_complete, NULL);
1497 	poll_threads();
1498 	CU_ASSERT(g_bserrno == -EINVAL);
1499 
1500 	spdk_blob_close(blob, blob_op_complete, NULL);
1501 	poll_threads();
1502 	CU_ASSERT(g_bserrno == 0);
1503 
1504 	spdk_bs_free_io_channel(channel);
1505 	poll_threads();
1506 
1507 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
1508 	poll_threads();
1509 	CU_ASSERT(g_bserrno == 0);
1510 	g_bs = NULL;
1511 }
1512 
1513 static void
1514 blob_rw_verify(void)
1515 {
1516 	struct spdk_blob_store *bs;
1517 	struct spdk_bs_dev *dev;
1518 	struct spdk_blob *blob;
1519 	struct spdk_io_channel *channel;
1520 	spdk_blob_id blobid;
1521 	uint8_t payload_read[10 * 4096];
1522 	uint8_t payload_write[10 * 4096];
1523 
1524 	dev = init_dev();
1525 
1526 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
1527 	poll_threads();
1528 	CU_ASSERT(g_bserrno == 0);
1529 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
1530 	bs = g_bs;
1531 
1532 	channel = spdk_bs_alloc_io_channel(bs);
1533 	CU_ASSERT(channel != NULL);
1534 
1535 	spdk_bs_create_blob(bs, blob_op_with_id_complete, NULL);
1536 	poll_threads();
1537 	CU_ASSERT(g_bserrno == 0);
1538 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
1539 	blobid = g_blobid;
1540 
1541 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
1542 	poll_threads();
1543 	CU_ASSERT(g_bserrno == 0);
1544 	CU_ASSERT(g_blob != NULL);
1545 	blob = g_blob;
1546 
1547 	spdk_blob_resize(blob, 32, blob_op_complete, NULL);
1548 	poll_threads();
1549 	CU_ASSERT(g_bserrno == 0);
1550 
1551 	memset(payload_write, 0xE5, sizeof(payload_write));
1552 	spdk_blob_io_write(blob, channel, payload_write, 4, 10, blob_op_complete, NULL);
1553 	poll_threads();
1554 	CU_ASSERT(g_bserrno == 0);
1555 
1556 	memset(payload_read, 0x00, sizeof(payload_read));
1557 	spdk_blob_io_read(blob, channel, payload_read, 4, 10, blob_op_complete, NULL);
1558 	poll_threads();
1559 	CU_ASSERT(g_bserrno == 0);
1560 	CU_ASSERT(memcmp(payload_write, payload_read, 4 * 4096) == 0);
1561 
1562 	spdk_blob_close(blob, blob_op_complete, NULL);
1563 	poll_threads();
1564 	CU_ASSERT(g_bserrno == 0);
1565 
1566 	spdk_bs_free_io_channel(channel);
1567 	poll_threads();
1568 
1569 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
1570 	poll_threads();
1571 	CU_ASSERT(g_bserrno == 0);
1572 	g_bs = NULL;
1573 }
1574 
1575 static void
1576 blob_rw_verify_iov(void)
1577 {
1578 	struct spdk_blob_store *bs;
1579 	struct spdk_bs_dev *dev;
1580 	struct spdk_blob *blob;
1581 	struct spdk_io_channel *channel;
1582 	spdk_blob_id blobid;
1583 	uint8_t payload_read[10 * 4096];
1584 	uint8_t payload_write[10 * 4096];
1585 	struct iovec iov_read[3];
1586 	struct iovec iov_write[3];
1587 	void *buf;
1588 
1589 	dev = init_dev();
1590 	memset(g_dev_buffer, 0, DEV_BUFFER_SIZE);
1591 
1592 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
1593 	poll_threads();
1594 	CU_ASSERT(g_bserrno == 0);
1595 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
1596 	bs = g_bs;
1597 
1598 	channel = spdk_bs_alloc_io_channel(bs);
1599 	CU_ASSERT(channel != NULL);
1600 
1601 	spdk_bs_create_blob(bs, blob_op_with_id_complete, NULL);
1602 	poll_threads();
1603 	CU_ASSERT(g_bserrno == 0);
1604 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
1605 	blobid = g_blobid;
1606 
1607 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
1608 	poll_threads();
1609 	CU_ASSERT(g_bserrno == 0);
1610 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
1611 	blob = g_blob;
1612 
1613 	spdk_blob_resize(blob, 2, blob_op_complete, NULL);
1614 	poll_threads();
1615 	CU_ASSERT(g_bserrno == 0);
1616 
1617 	/*
1618 	 * Manually adjust the offset of the blob's second cluster.  This allows
1619 	 *  us to make sure that the readv/write code correctly accounts for I/O
1620 	 *  that cross cluster boundaries.  Start by asserting that the allocated
1621 	 *  clusters are where we expect before modifying the second cluster.
1622 	 */
1623 	CU_ASSERT(blob->active.clusters[0] == 1 * 256);
1624 	CU_ASSERT(blob->active.clusters[1] == 2 * 256);
1625 	blob->active.clusters[1] = 3 * 256;
1626 
1627 	memset(payload_write, 0xE5, sizeof(payload_write));
1628 	iov_write[0].iov_base = payload_write;
1629 	iov_write[0].iov_len = 1 * 4096;
1630 	iov_write[1].iov_base = payload_write + 1 * 4096;
1631 	iov_write[1].iov_len = 5 * 4096;
1632 	iov_write[2].iov_base = payload_write + 6 * 4096;
1633 	iov_write[2].iov_len = 4 * 4096;
1634 	/*
1635 	 * Choose a page offset just before the cluster boundary.  The first 6 pages of payload
1636 	 *  will get written to the first cluster, the last 4 to the second cluster.
1637 	 */
1638 	spdk_blob_io_writev(blob, channel, iov_write, 3, 250, 10, blob_op_complete, NULL);
1639 	poll_threads();
1640 	CU_ASSERT(g_bserrno == 0);
1641 
1642 	memset(payload_read, 0xAA, sizeof(payload_read));
1643 	iov_read[0].iov_base = payload_read;
1644 	iov_read[0].iov_len = 3 * 4096;
1645 	iov_read[1].iov_base = payload_read + 3 * 4096;
1646 	iov_read[1].iov_len = 4 * 4096;
1647 	iov_read[2].iov_base = payload_read + 7 * 4096;
1648 	iov_read[2].iov_len = 3 * 4096;
1649 	spdk_blob_io_readv(blob, channel, iov_read, 3, 250, 10, blob_op_complete, NULL);
1650 	poll_threads();
1651 	CU_ASSERT(g_bserrno == 0);
1652 	CU_ASSERT(memcmp(payload_write, payload_read, 10 * 4096) == 0);
1653 
1654 	buf = calloc(1, 256 * 4096);
1655 	SPDK_CU_ASSERT_FATAL(buf != NULL);
1656 	/* Check that cluster 2 on "disk" was not modified. */
1657 	CU_ASSERT(memcmp(buf, &g_dev_buffer[512 * 4096], 256 * 4096) == 0);
1658 	free(buf);
1659 
1660 	spdk_blob_close(blob, blob_op_complete, NULL);
1661 	poll_threads();
1662 	CU_ASSERT(g_bserrno == 0);
1663 
1664 	spdk_bs_free_io_channel(channel);
1665 	poll_threads();
1666 
1667 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
1668 	poll_threads();
1669 	CU_ASSERT(g_bserrno == 0);
1670 	g_bs = NULL;
1671 }
1672 
1673 static uint32_t
1674 bs_channel_get_req_count(struct spdk_io_channel *_channel)
1675 {
1676 	struct spdk_bs_channel *channel = spdk_io_channel_get_ctx(_channel);
1677 	struct spdk_bs_request_set *set;
1678 	uint32_t count = 0;
1679 
1680 	TAILQ_FOREACH(set, &channel->reqs, link) {
1681 		count++;
1682 	}
1683 
1684 	return count;
1685 }
1686 
1687 static void
1688 blob_rw_verify_iov_nomem(void)
1689 {
1690 	struct spdk_blob_store *bs;
1691 	struct spdk_bs_dev *dev;
1692 	struct spdk_blob *blob;
1693 	struct spdk_io_channel *channel;
1694 	spdk_blob_id blobid;
1695 	uint8_t payload_write[10 * 4096];
1696 	struct iovec iov_write[3];
1697 	uint32_t req_count;
1698 
1699 	dev = init_dev();
1700 	memset(g_dev_buffer, 0, DEV_BUFFER_SIZE);
1701 
1702 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
1703 	poll_threads();
1704 	CU_ASSERT(g_bserrno == 0);
1705 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
1706 	bs = g_bs;
1707 
1708 	channel = spdk_bs_alloc_io_channel(bs);
1709 	CU_ASSERT(channel != NULL);
1710 
1711 	spdk_bs_create_blob(bs, blob_op_with_id_complete, NULL);
1712 	poll_threads();
1713 	CU_ASSERT(g_bserrno == 0);
1714 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
1715 	blobid = g_blobid;
1716 
1717 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
1718 	poll_threads();
1719 	CU_ASSERT(g_bserrno == 0);
1720 	CU_ASSERT(g_blob != NULL);
1721 	blob = g_blob;
1722 
1723 	spdk_blob_resize(blob, 2, blob_op_complete, NULL);
1724 	poll_threads();
1725 	CU_ASSERT(g_bserrno == 0);
1726 
1727 	/*
1728 	 * Choose a page offset just before the cluster boundary.  The first 6 pages of payload
1729 	 *  will get written to the first cluster, the last 4 to the second cluster.
1730 	 */
1731 	iov_write[0].iov_base = payload_write;
1732 	iov_write[0].iov_len = 1 * 4096;
1733 	iov_write[1].iov_base = payload_write + 1 * 4096;
1734 	iov_write[1].iov_len = 5 * 4096;
1735 	iov_write[2].iov_base = payload_write + 6 * 4096;
1736 	iov_write[2].iov_len = 4 * 4096;
1737 	MOCK_SET(calloc, NULL);
1738 	req_count = bs_channel_get_req_count(channel);
1739 	spdk_blob_io_writev(blob, channel, iov_write, 3, 250, 10, blob_op_complete, NULL);
1740 	poll_threads();
1741 	CU_ASSERT(g_bserrno = -ENOMEM);
1742 	CU_ASSERT(req_count == bs_channel_get_req_count(channel));
1743 	MOCK_CLEAR(calloc);
1744 
1745 	spdk_blob_close(blob, blob_op_complete, NULL);
1746 	poll_threads();
1747 	CU_ASSERT(g_bserrno == 0);
1748 
1749 	spdk_bs_free_io_channel(channel);
1750 	poll_threads();
1751 
1752 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
1753 	poll_threads();
1754 	CU_ASSERT(g_bserrno == 0);
1755 	g_bs = NULL;
1756 }
1757 
1758 static void
1759 blob_rw_iov_read_only(void)
1760 {
1761 	struct spdk_blob_store *bs;
1762 	struct spdk_bs_dev *dev;
1763 	struct spdk_blob *blob;
1764 	struct spdk_io_channel *channel;
1765 	spdk_blob_id blobid;
1766 	uint8_t payload_read[4096];
1767 	uint8_t payload_write[4096];
1768 	struct iovec iov_read;
1769 	struct iovec iov_write;
1770 
1771 	dev = init_dev();
1772 	memset(g_dev_buffer, 0, DEV_BUFFER_SIZE);
1773 
1774 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
1775 	poll_threads();
1776 	CU_ASSERT(g_bserrno == 0);
1777 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
1778 	bs = g_bs;
1779 
1780 	channel = spdk_bs_alloc_io_channel(bs);
1781 	CU_ASSERT(channel != NULL);
1782 
1783 	spdk_bs_create_blob(bs, blob_op_with_id_complete, NULL);
1784 	poll_threads();
1785 	CU_ASSERT(g_bserrno == 0);
1786 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
1787 	blobid = g_blobid;
1788 
1789 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
1790 	poll_threads();
1791 	CU_ASSERT(g_bserrno == 0);
1792 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
1793 	blob = g_blob;
1794 
1795 	spdk_blob_resize(blob, 2, blob_op_complete, NULL);
1796 	poll_threads();
1797 	CU_ASSERT(g_bserrno == 0);
1798 
1799 	/* Verify that writev failed if read_only flag is set. */
1800 	blob->data_ro = true;
1801 	iov_write.iov_base = payload_write;
1802 	iov_write.iov_len = sizeof(payload_write);
1803 	spdk_blob_io_writev(blob, channel, &iov_write, 1, 0, 1, blob_op_complete, NULL);
1804 	poll_threads();
1805 	CU_ASSERT(g_bserrno == -EPERM);
1806 
1807 	/* Verify that reads pass if data_ro flag is set. */
1808 	iov_read.iov_base = payload_read;
1809 	iov_read.iov_len = sizeof(payload_read);
1810 	spdk_blob_io_readv(blob, channel, &iov_read, 1, 0, 1, blob_op_complete, NULL);
1811 	poll_threads();
1812 	CU_ASSERT(g_bserrno == 0);
1813 
1814 	spdk_blob_close(blob, blob_op_complete, NULL);
1815 	poll_threads();
1816 	CU_ASSERT(g_bserrno == 0);
1817 
1818 	spdk_bs_free_io_channel(channel);
1819 	poll_threads();
1820 
1821 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
1822 	poll_threads();
1823 	CU_ASSERT(g_bserrno == 0);
1824 	g_bs = NULL;
1825 }
1826 
1827 static void
1828 _blob_io_read_no_split(struct spdk_blob *blob, struct spdk_io_channel *channel,
1829 		       uint8_t *payload, uint64_t offset, uint64_t length,
1830 		       spdk_blob_op_complete cb_fn, void *cb_arg)
1831 {
1832 	uint64_t i;
1833 	uint8_t *buf;
1834 	uint64_t page_size = spdk_bs_get_page_size(blob->bs);
1835 
1836 	/* To be sure that operation is NOT splitted, read one page at the time */
1837 	buf = payload;
1838 	for (i = 0; i < length; i++) {
1839 		spdk_blob_io_read(blob, channel, buf, i + offset, 1, blob_op_complete, NULL);
1840 		poll_threads();
1841 		if (g_bserrno != 0) {
1842 			/* Pass the error code up */
1843 			break;
1844 		}
1845 		buf += page_size;
1846 	}
1847 
1848 	cb_fn(cb_arg, g_bserrno);
1849 }
1850 
1851 static void
1852 _blob_io_write_no_split(struct spdk_blob *blob, struct spdk_io_channel *channel,
1853 			uint8_t *payload, uint64_t offset, uint64_t length,
1854 			spdk_blob_op_complete cb_fn, void *cb_arg)
1855 {
1856 	uint64_t i;
1857 	uint8_t *buf;
1858 	uint64_t page_size = spdk_bs_get_page_size(blob->bs);
1859 
1860 	/* To be sure that operation is NOT splitted, write one page at the time */
1861 	buf = payload;
1862 	for (i = 0; i < length; i++) {
1863 		spdk_blob_io_write(blob, channel, buf, i + offset, 1, blob_op_complete, NULL);
1864 		poll_threads();
1865 		if (g_bserrno != 0) {
1866 			/* Pass the error code up */
1867 			break;
1868 		}
1869 		buf += page_size;
1870 	}
1871 
1872 	cb_fn(cb_arg, g_bserrno);
1873 }
1874 
1875 static void
1876 blob_operation_split_rw(void)
1877 {
1878 	struct spdk_blob_store *bs;
1879 	struct spdk_bs_dev *dev;
1880 	struct spdk_blob *blob;
1881 	struct spdk_io_channel *channel;
1882 	struct spdk_blob_opts opts;
1883 	spdk_blob_id blobid;
1884 	uint64_t cluster_size;
1885 
1886 	uint64_t payload_size;
1887 	uint8_t *payload_read;
1888 	uint8_t *payload_write;
1889 	uint8_t *payload_pattern;
1890 
1891 	uint64_t page_size;
1892 	uint64_t pages_per_cluster;
1893 	uint64_t pages_per_payload;
1894 
1895 	uint64_t i;
1896 
1897 	dev = init_dev();
1898 
1899 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
1900 	poll_threads();
1901 	CU_ASSERT(g_bserrno == 0);
1902 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
1903 	bs = g_bs;
1904 
1905 	cluster_size = spdk_bs_get_cluster_size(bs);
1906 	page_size = spdk_bs_get_page_size(bs);
1907 	pages_per_cluster = cluster_size / page_size;
1908 	pages_per_payload = pages_per_cluster * 5;
1909 	payload_size = cluster_size * 5;
1910 
1911 	payload_read = malloc(payload_size);
1912 	SPDK_CU_ASSERT_FATAL(payload_read != NULL);
1913 
1914 	payload_write = malloc(payload_size);
1915 	SPDK_CU_ASSERT_FATAL(payload_write != NULL);
1916 
1917 	payload_pattern = malloc(payload_size);
1918 	SPDK_CU_ASSERT_FATAL(payload_pattern != NULL);
1919 
1920 	/* Prepare random pattern to write */
1921 	memset(payload_pattern, 0xFF, payload_size);
1922 	for (i = 0; i < pages_per_payload; i++) {
1923 		*((uint64_t *)(payload_pattern + page_size * i)) = (i + 1);
1924 	}
1925 
1926 	channel = spdk_bs_alloc_io_channel(bs);
1927 	SPDK_CU_ASSERT_FATAL(channel != NULL);
1928 
1929 	/* Create blob */
1930 	spdk_blob_opts_init(&opts);
1931 	opts.thin_provision = false;
1932 	opts.num_clusters = 5;
1933 
1934 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
1935 	poll_threads();
1936 	CU_ASSERT(g_bserrno == 0);
1937 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
1938 	blobid = g_blobid;
1939 
1940 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
1941 	poll_threads();
1942 	CU_ASSERT(g_bserrno == 0);
1943 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
1944 	blob = g_blob;
1945 
1946 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 5);
1947 
1948 	/* Initial read should return zeroed payload */
1949 	memset(payload_read, 0xFF, payload_size);
1950 	spdk_blob_io_read(blob, channel, payload_read, 0, pages_per_payload, blob_op_complete, NULL);
1951 	poll_threads();
1952 	CU_ASSERT(g_bserrno == 0);
1953 	CU_ASSERT(spdk_mem_all_zero(payload_read, payload_size));
1954 
1955 	/* Fill whole blob except last page */
1956 	spdk_blob_io_write(blob, channel, payload_pattern, 0, pages_per_payload - 1,
1957 			   blob_op_complete, NULL);
1958 	poll_threads();
1959 	CU_ASSERT(g_bserrno == 0);
1960 
1961 	/* Write last page with a pattern */
1962 	spdk_blob_io_write(blob, channel, payload_pattern, pages_per_payload - 1, 1,
1963 			   blob_op_complete, NULL);
1964 	poll_threads();
1965 	CU_ASSERT(g_bserrno == 0);
1966 
1967 	/* Read whole blob and check consistency */
1968 	memset(payload_read, 0xFF, payload_size);
1969 	spdk_blob_io_read(blob, channel, payload_read, 0, pages_per_payload, blob_op_complete, NULL);
1970 	poll_threads();
1971 	CU_ASSERT(g_bserrno == 0);
1972 	CU_ASSERT(memcmp(payload_pattern, payload_read, payload_size - page_size) == 0);
1973 	CU_ASSERT(memcmp(payload_pattern, payload_read + payload_size - page_size, page_size) == 0);
1974 
1975 	/* Fill whole blob except first page */
1976 	spdk_blob_io_write(blob, channel, payload_pattern, 1, pages_per_payload - 1,
1977 			   blob_op_complete, NULL);
1978 	poll_threads();
1979 	CU_ASSERT(g_bserrno == 0);
1980 
1981 	/* Write first page with a pattern */
1982 	spdk_blob_io_write(blob, channel, payload_pattern, 0, 1,
1983 			   blob_op_complete, NULL);
1984 	poll_threads();
1985 	CU_ASSERT(g_bserrno == 0);
1986 
1987 	/* Read whole blob and check consistency */
1988 	memset(payload_read, 0xFF, payload_size);
1989 	spdk_blob_io_read(blob, channel, payload_read, 0, pages_per_payload, blob_op_complete, NULL);
1990 	poll_threads();
1991 	CU_ASSERT(g_bserrno == 0);
1992 	CU_ASSERT(memcmp(payload_pattern, payload_read + page_size, payload_size - page_size) == 0);
1993 	CU_ASSERT(memcmp(payload_pattern, payload_read, page_size) == 0);
1994 
1995 
1996 	/* Fill whole blob with a pattern (5 clusters) */
1997 
1998 	/* 1. Read test. */
1999 	_blob_io_write_no_split(blob, channel, payload_pattern, 0, pages_per_payload,
2000 				blob_op_complete, NULL);
2001 	poll_threads();
2002 	CU_ASSERT(g_bserrno == 0);
2003 
2004 	memset(payload_read, 0xFF, payload_size);
2005 	spdk_blob_io_read(blob, channel, payload_read, 0, pages_per_payload, blob_op_complete, NULL);
2006 	poll_threads();
2007 	poll_threads();
2008 	CU_ASSERT(g_bserrno == 0);
2009 	CU_ASSERT(memcmp(payload_pattern, payload_read, payload_size) == 0);
2010 
2011 	/* 2. Write test. */
2012 	spdk_blob_io_write(blob, channel, payload_pattern, 0, pages_per_payload,
2013 			   blob_op_complete, NULL);
2014 	poll_threads();
2015 	CU_ASSERT(g_bserrno == 0);
2016 
2017 	memset(payload_read, 0xFF, payload_size);
2018 	_blob_io_read_no_split(blob, channel, payload_read, 0, pages_per_payload, blob_op_complete, NULL);
2019 	poll_threads();
2020 	CU_ASSERT(g_bserrno == 0);
2021 	CU_ASSERT(memcmp(payload_pattern, payload_read, payload_size) == 0);
2022 
2023 	spdk_blob_close(blob, blob_op_complete, NULL);
2024 	poll_threads();
2025 	CU_ASSERT(g_bserrno == 0);
2026 
2027 	spdk_bs_free_io_channel(channel);
2028 	poll_threads();
2029 
2030 	/* Unload the blob store */
2031 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
2032 	poll_threads();
2033 	CU_ASSERT(g_bserrno == 0);
2034 	g_bs = NULL;
2035 	g_blob = NULL;
2036 	g_blobid = 0;
2037 
2038 	free(payload_read);
2039 	free(payload_write);
2040 	free(payload_pattern);
2041 }
2042 
2043 static void
2044 blob_operation_split_rw_iov(void)
2045 {
2046 	struct spdk_blob_store *bs;
2047 	struct spdk_bs_dev *dev;
2048 	struct spdk_blob *blob;
2049 	struct spdk_io_channel *channel;
2050 	struct spdk_blob_opts opts;
2051 	spdk_blob_id blobid;
2052 	uint64_t cluster_size;
2053 
2054 	uint64_t payload_size;
2055 	uint8_t *payload_read;
2056 	uint8_t *payload_write;
2057 	uint8_t *payload_pattern;
2058 
2059 	uint64_t page_size;
2060 	uint64_t pages_per_cluster;
2061 	uint64_t pages_per_payload;
2062 
2063 	struct iovec iov_read[2];
2064 	struct iovec iov_write[2];
2065 
2066 	uint64_t i, j;
2067 
2068 	dev = init_dev();
2069 
2070 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
2071 	poll_threads();
2072 	CU_ASSERT(g_bserrno == 0);
2073 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
2074 	bs = g_bs;
2075 
2076 	cluster_size = spdk_bs_get_cluster_size(bs);
2077 	page_size = spdk_bs_get_page_size(bs);
2078 	pages_per_cluster = cluster_size / page_size;
2079 	pages_per_payload = pages_per_cluster * 5;
2080 	payload_size = cluster_size * 5;
2081 
2082 	payload_read = malloc(payload_size);
2083 	SPDK_CU_ASSERT_FATAL(payload_read != NULL);
2084 
2085 	payload_write = malloc(payload_size);
2086 	SPDK_CU_ASSERT_FATAL(payload_write != NULL);
2087 
2088 	payload_pattern = malloc(payload_size);
2089 	SPDK_CU_ASSERT_FATAL(payload_pattern != NULL);
2090 
2091 	/* Prepare random pattern to write */
2092 	for (i = 0; i < pages_per_payload; i++) {
2093 		for (j = 0; j < page_size / sizeof(uint64_t); j++) {
2094 			uint64_t *tmp;
2095 
2096 			tmp = (uint64_t *)payload_pattern;
2097 			tmp += ((page_size * i) / sizeof(uint64_t)) + j;
2098 			*tmp = i + 1;
2099 		}
2100 	}
2101 
2102 	channel = spdk_bs_alloc_io_channel(bs);
2103 	SPDK_CU_ASSERT_FATAL(channel != NULL);
2104 
2105 	/* Create blob */
2106 	spdk_blob_opts_init(&opts);
2107 	opts.thin_provision = false;
2108 	opts.num_clusters = 5;
2109 
2110 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
2111 	poll_threads();
2112 	CU_ASSERT(g_bserrno == 0);
2113 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
2114 	blobid = g_blobid;
2115 
2116 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
2117 	poll_threads();
2118 	CU_ASSERT(g_bserrno == 0);
2119 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
2120 	blob = g_blob;
2121 
2122 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 5);
2123 
2124 	/* Initial read should return zeroes payload */
2125 	memset(payload_read, 0xFF, payload_size);
2126 	iov_read[0].iov_base = payload_read;
2127 	iov_read[0].iov_len = cluster_size * 3;
2128 	iov_read[1].iov_base = payload_read + cluster_size * 3;
2129 	iov_read[1].iov_len = cluster_size * 2;
2130 	spdk_blob_io_readv(blob, channel, iov_read, 2, 0, pages_per_payload, blob_op_complete, NULL);
2131 	poll_threads();
2132 	CU_ASSERT(g_bserrno == 0);
2133 	CU_ASSERT(spdk_mem_all_zero(payload_read, payload_size));
2134 
2135 	/* First of iovs fills whole blob except last page and second of iovs writes last page
2136 	 *  with a pattern. */
2137 	iov_write[0].iov_base = payload_pattern;
2138 	iov_write[0].iov_len = payload_size - page_size;
2139 	iov_write[1].iov_base = payload_pattern;
2140 	iov_write[1].iov_len = page_size;
2141 	spdk_blob_io_writev(blob, channel, iov_write, 2, 0, pages_per_payload, blob_op_complete, NULL);
2142 	poll_threads();
2143 	CU_ASSERT(g_bserrno == 0);
2144 
2145 	/* Read whole blob and check consistency */
2146 	memset(payload_read, 0xFF, payload_size);
2147 	iov_read[0].iov_base = payload_read;
2148 	iov_read[0].iov_len = cluster_size * 2;
2149 	iov_read[1].iov_base = payload_read + cluster_size * 2;
2150 	iov_read[1].iov_len = cluster_size * 3;
2151 	spdk_blob_io_readv(blob, channel, iov_read, 2, 0, pages_per_payload, blob_op_complete, NULL);
2152 	poll_threads();
2153 	CU_ASSERT(g_bserrno == 0);
2154 	CU_ASSERT(memcmp(payload_pattern, payload_read, payload_size - page_size) == 0);
2155 	CU_ASSERT(memcmp(payload_pattern, payload_read + payload_size - page_size, page_size) == 0);
2156 
2157 	/* First of iovs fills only first page and second of iovs writes whole blob except
2158 	 *  first page with a pattern. */
2159 	iov_write[0].iov_base = payload_pattern;
2160 	iov_write[0].iov_len = page_size;
2161 	iov_write[1].iov_base = payload_pattern;
2162 	iov_write[1].iov_len = payload_size - page_size;
2163 	spdk_blob_io_writev(blob, channel, iov_write, 2, 0, pages_per_payload, blob_op_complete, NULL);
2164 	poll_threads();
2165 	CU_ASSERT(g_bserrno == 0);
2166 
2167 	/* Read whole blob and check consistency */
2168 	memset(payload_read, 0xFF, payload_size);
2169 	iov_read[0].iov_base = payload_read;
2170 	iov_read[0].iov_len = cluster_size * 4;
2171 	iov_read[1].iov_base = payload_read + cluster_size * 4;
2172 	iov_read[1].iov_len = cluster_size;
2173 	spdk_blob_io_readv(blob, channel, iov_read, 2, 0, pages_per_payload, blob_op_complete, NULL);
2174 	poll_threads();
2175 	CU_ASSERT(g_bserrno == 0);
2176 	CU_ASSERT(memcmp(payload_pattern, payload_read + page_size, payload_size - page_size) == 0);
2177 	CU_ASSERT(memcmp(payload_pattern, payload_read, page_size) == 0);
2178 
2179 
2180 	/* Fill whole blob with a pattern (5 clusters) */
2181 
2182 	/* 1. Read test. */
2183 	_blob_io_write_no_split(blob, channel, payload_pattern, 0, pages_per_payload,
2184 				blob_op_complete, NULL);
2185 	poll_threads();
2186 	CU_ASSERT(g_bserrno == 0);
2187 
2188 	memset(payload_read, 0xFF, payload_size);
2189 	iov_read[0].iov_base = payload_read;
2190 	iov_read[0].iov_len = cluster_size;
2191 	iov_read[1].iov_base = payload_read + cluster_size;
2192 	iov_read[1].iov_len = cluster_size * 4;
2193 	spdk_blob_io_readv(blob, channel, iov_read, 2, 0, pages_per_payload, blob_op_complete, NULL);
2194 	poll_threads();
2195 	CU_ASSERT(g_bserrno == 0);
2196 	CU_ASSERT(memcmp(payload_pattern, payload_read, payload_size) == 0);
2197 
2198 	/* 2. Write test. */
2199 	iov_write[0].iov_base = payload_read;
2200 	iov_write[0].iov_len = cluster_size * 2;
2201 	iov_write[1].iov_base = payload_read + cluster_size * 2;
2202 	iov_write[1].iov_len = cluster_size * 3;
2203 	spdk_blob_io_writev(blob, channel, iov_write, 2, 0, pages_per_payload, blob_op_complete, NULL);
2204 	poll_threads();
2205 	CU_ASSERT(g_bserrno == 0);
2206 
2207 	memset(payload_read, 0xFF, payload_size);
2208 	_blob_io_read_no_split(blob, channel, payload_read, 0, pages_per_payload, blob_op_complete, NULL);
2209 	poll_threads();
2210 	CU_ASSERT(g_bserrno == 0);
2211 	CU_ASSERT(memcmp(payload_pattern, payload_read, payload_size) == 0);
2212 
2213 	spdk_blob_close(blob, blob_op_complete, NULL);
2214 	CU_ASSERT(g_bserrno == 0);
2215 
2216 	spdk_bs_free_io_channel(channel);
2217 	poll_threads();
2218 
2219 	/* Unload the blob store */
2220 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
2221 	poll_threads();
2222 	CU_ASSERT(g_bserrno == 0);
2223 	g_bs = NULL;
2224 	g_blob = NULL;
2225 	g_blobid = 0;
2226 
2227 	free(payload_read);
2228 	free(payload_write);
2229 	free(payload_pattern);
2230 }
2231 
2232 static void
2233 blob_unmap(void)
2234 {
2235 	struct spdk_blob_store *bs;
2236 	struct spdk_bs_dev *dev;
2237 	struct spdk_blob *blob;
2238 	struct spdk_io_channel *channel;
2239 	spdk_blob_id blobid;
2240 	struct spdk_blob_opts opts;
2241 	uint8_t payload[4096];
2242 	int i;
2243 
2244 	dev = init_dev();
2245 
2246 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
2247 	poll_threads();
2248 	CU_ASSERT(g_bserrno == 0);
2249 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
2250 	bs = g_bs;
2251 
2252 	channel = spdk_bs_alloc_io_channel(bs);
2253 	CU_ASSERT(channel != NULL);
2254 
2255 	spdk_blob_opts_init(&opts);
2256 	opts.num_clusters = 10;
2257 
2258 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
2259 	poll_threads();
2260 	CU_ASSERT(g_bserrno == 0);
2261 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
2262 	blobid = g_blobid;
2263 
2264 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
2265 	poll_threads();
2266 	CU_ASSERT(g_bserrno == 0);
2267 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
2268 	blob = g_blob;
2269 
2270 	spdk_blob_resize(blob, 10, blob_op_complete, NULL);
2271 	poll_threads();
2272 	CU_ASSERT(g_bserrno == 0);
2273 
2274 	memset(payload, 0, sizeof(payload));
2275 	payload[0] = 0xFF;
2276 
2277 	/*
2278 	 * Set first byte of every cluster to 0xFF.
2279 	 * First cluster on device is reserved so let's start from cluster number 1
2280 	 */
2281 	for (i = 1; i < 11; i++) {
2282 		g_dev_buffer[i * SPDK_BLOB_OPTS_CLUSTER_SZ] = 0xFF;
2283 	}
2284 
2285 	/* Confirm writes */
2286 	for (i = 0; i < 10; i++) {
2287 		payload[0] = 0;
2288 		spdk_blob_io_read(blob, channel, &payload, i * SPDK_BLOB_OPTS_CLUSTER_SZ / 4096, 1,
2289 				  blob_op_complete, NULL);
2290 		poll_threads();
2291 		CU_ASSERT(g_bserrno == 0);
2292 		CU_ASSERT(payload[0] == 0xFF);
2293 	}
2294 
2295 	/* Mark some clusters as unallocated */
2296 	blob->active.clusters[1] = 0;
2297 	blob->active.clusters[2] = 0;
2298 	blob->active.clusters[3] = 0;
2299 	blob->active.clusters[6] = 0;
2300 	blob->active.clusters[8] = 0;
2301 
2302 	/* Unmap clusters by resizing to 0 */
2303 	spdk_blob_resize(blob, 0, blob_op_complete, NULL);
2304 	poll_threads();
2305 	CU_ASSERT(g_bserrno == 0);
2306 
2307 	spdk_blob_sync_md(blob, blob_op_complete, NULL);
2308 	poll_threads();
2309 	CU_ASSERT(g_bserrno == 0);
2310 
2311 	/* Confirm that only 'allocated' clusters were unmapped */
2312 	for (i = 1; i < 11; i++) {
2313 		switch (i) {
2314 		case 2:
2315 		case 3:
2316 		case 4:
2317 		case 7:
2318 		case 9:
2319 			CU_ASSERT(g_dev_buffer[i * SPDK_BLOB_OPTS_CLUSTER_SZ] == 0xFF);
2320 			break;
2321 		default:
2322 			CU_ASSERT(g_dev_buffer[i * SPDK_BLOB_OPTS_CLUSTER_SZ] == 0);
2323 			break;
2324 		}
2325 	}
2326 
2327 	spdk_blob_close(blob, blob_op_complete, NULL);
2328 	poll_threads();
2329 	CU_ASSERT(g_bserrno == 0);
2330 
2331 	spdk_bs_free_io_channel(channel);
2332 	poll_threads();
2333 
2334 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
2335 	poll_threads();
2336 	CU_ASSERT(g_bserrno == 0);
2337 	g_bs = NULL;
2338 }
2339 
2340 
2341 static void
2342 blob_iter(void)
2343 {
2344 	struct spdk_blob_store *bs;
2345 	struct spdk_bs_dev *dev;
2346 	struct spdk_blob *blob;
2347 	spdk_blob_id blobid;
2348 
2349 	dev = init_dev();
2350 
2351 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
2352 	poll_threads();
2353 	CU_ASSERT(g_bserrno == 0);
2354 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
2355 	bs = g_bs;
2356 
2357 	spdk_bs_iter_first(bs, blob_op_with_handle_complete, NULL);
2358 	poll_threads();
2359 	CU_ASSERT(g_blob == NULL);
2360 	CU_ASSERT(g_bserrno == -ENOENT);
2361 
2362 	spdk_bs_create_blob(bs, blob_op_with_id_complete, NULL);
2363 	poll_threads();
2364 	CU_ASSERT(g_bserrno == 0);
2365 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
2366 	blobid = g_blobid;
2367 
2368 	spdk_bs_iter_first(bs, blob_op_with_handle_complete, NULL);
2369 	poll_threads();
2370 	CU_ASSERT(g_blob != NULL);
2371 	CU_ASSERT(g_bserrno == 0);
2372 	blob = g_blob;
2373 	CU_ASSERT(spdk_blob_get_id(blob) == blobid);
2374 
2375 	spdk_bs_iter_next(bs, blob, blob_op_with_handle_complete, NULL);
2376 	poll_threads();
2377 	CU_ASSERT(g_blob == NULL);
2378 	CU_ASSERT(g_bserrno == -ENOENT);
2379 
2380 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
2381 	poll_threads();
2382 	CU_ASSERT(g_bserrno == 0);
2383 	g_bs = NULL;
2384 }
2385 
2386 static void
2387 blob_xattr(void)
2388 {
2389 	struct spdk_blob_store *bs;
2390 	struct spdk_bs_dev *dev;
2391 	struct spdk_blob *blob;
2392 	spdk_blob_id blobid;
2393 	uint64_t length;
2394 	int rc;
2395 	const char *name1, *name2;
2396 	const void *value;
2397 	size_t value_len;
2398 	struct spdk_xattr_names *names;
2399 
2400 	dev = init_dev();
2401 
2402 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
2403 	poll_threads();
2404 	CU_ASSERT(g_bserrno == 0);
2405 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
2406 	bs = g_bs;
2407 
2408 	spdk_bs_create_blob(bs, blob_op_with_id_complete, NULL);
2409 	poll_threads();
2410 	CU_ASSERT(g_bserrno == 0);
2411 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
2412 	blobid = g_blobid;
2413 
2414 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
2415 	poll_threads();
2416 	CU_ASSERT(g_bserrno == 0);
2417 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
2418 	blob = g_blob;
2419 
2420 	/* Test that set_xattr fails if md_ro flag is set. */
2421 	blob->md_ro = true;
2422 	rc = spdk_blob_set_xattr(blob, "name", "log.txt", strlen("log.txt") + 1);
2423 	CU_ASSERT(rc == -EPERM);
2424 
2425 	blob->md_ro = false;
2426 	rc = spdk_blob_set_xattr(blob, "name", "log.txt", strlen("log.txt") + 1);
2427 	CU_ASSERT(rc == 0);
2428 
2429 	length = 2345;
2430 	rc = spdk_blob_set_xattr(blob, "length", &length, sizeof(length));
2431 	CU_ASSERT(rc == 0);
2432 
2433 	/* Overwrite "length" xattr. */
2434 	length = 3456;
2435 	rc = spdk_blob_set_xattr(blob, "length", &length, sizeof(length));
2436 	CU_ASSERT(rc == 0);
2437 
2438 	/* get_xattr should still work even if md_ro flag is set. */
2439 	value = NULL;
2440 	blob->md_ro = true;
2441 	rc = spdk_blob_get_xattr_value(blob, "length", &value, &value_len);
2442 	CU_ASSERT(rc == 0);
2443 	SPDK_CU_ASSERT_FATAL(value != NULL);
2444 	CU_ASSERT(*(uint64_t *)value == length);
2445 	CU_ASSERT(value_len == 8);
2446 	blob->md_ro = false;
2447 
2448 	rc = spdk_blob_get_xattr_value(blob, "foobar", &value, &value_len);
2449 	CU_ASSERT(rc == -ENOENT);
2450 
2451 	names = NULL;
2452 	rc = spdk_blob_get_xattr_names(blob, &names);
2453 	CU_ASSERT(rc == 0);
2454 	SPDK_CU_ASSERT_FATAL(names != NULL);
2455 	CU_ASSERT(spdk_xattr_names_get_count(names) == 2);
2456 	name1 = spdk_xattr_names_get_name(names, 0);
2457 	SPDK_CU_ASSERT_FATAL(name1 != NULL);
2458 	CU_ASSERT(!strcmp(name1, "name") || !strcmp(name1, "length"));
2459 	name2 = spdk_xattr_names_get_name(names, 1);
2460 	SPDK_CU_ASSERT_FATAL(name2 != NULL);
2461 	CU_ASSERT(!strcmp(name2, "name") || !strcmp(name2, "length"));
2462 	CU_ASSERT(strcmp(name1, name2));
2463 	spdk_xattr_names_free(names);
2464 
2465 	/* Confirm that remove_xattr fails if md_ro is set to true. */
2466 	blob->md_ro = true;
2467 	rc = spdk_blob_remove_xattr(blob, "name");
2468 	CU_ASSERT(rc == -EPERM);
2469 
2470 	blob->md_ro = false;
2471 	rc = spdk_blob_remove_xattr(blob, "name");
2472 	CU_ASSERT(rc == 0);
2473 
2474 	rc = spdk_blob_remove_xattr(blob, "foobar");
2475 	CU_ASSERT(rc == -ENOENT);
2476 
2477 	/* Set internal xattr */
2478 	length = 7898;
2479 	rc = _spdk_blob_set_xattr(blob, "internal", &length, sizeof(length), true);
2480 	CU_ASSERT(rc == 0);
2481 	rc = _spdk_blob_get_xattr_value(blob, "internal", &value, &value_len, true);
2482 	CU_ASSERT(rc == 0);
2483 	CU_ASSERT(*(uint64_t *)value == length);
2484 	/* try to get public xattr with same name */
2485 	rc = spdk_blob_get_xattr_value(blob, "internal", &value, &value_len);
2486 	CU_ASSERT(rc != 0);
2487 	rc = _spdk_blob_get_xattr_value(blob, "internal", &value, &value_len, false);
2488 	CU_ASSERT(rc != 0);
2489 	/* Check if SPDK_BLOB_INTERNAL_XATTR is set */
2490 	CU_ASSERT((blob->invalid_flags & SPDK_BLOB_INTERNAL_XATTR) ==
2491 		  SPDK_BLOB_INTERNAL_XATTR);
2492 
2493 	spdk_blob_close(blob, blob_op_complete, NULL);
2494 	poll_threads();
2495 
2496 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
2497 	poll_threads();
2498 
2499 	/* Check if xattrs are persisted */
2500 	dev = init_dev();
2501 
2502 	spdk_bs_load(dev, NULL, bs_op_with_handle_complete, NULL);
2503 	poll_threads();
2504 	CU_ASSERT(g_bserrno == 0);
2505 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
2506 
2507 	bs = g_bs;
2508 
2509 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
2510 	poll_threads();
2511 	CU_ASSERT(g_bserrno == 0);
2512 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
2513 	blob = g_blob;
2514 
2515 	rc = _spdk_blob_get_xattr_value(blob, "internal", &value, &value_len, true);
2516 	CU_ASSERT(rc == 0);
2517 	CU_ASSERT(*(uint64_t *)value == length);
2518 
2519 	/* try to get internal xattr trough public call */
2520 	rc = spdk_blob_get_xattr_value(blob, "internal", &value, &value_len);
2521 	CU_ASSERT(rc != 0);
2522 
2523 	rc = _spdk_blob_remove_xattr(blob, "internal", true);
2524 	CU_ASSERT(rc == 0);
2525 
2526 	CU_ASSERT((blob->invalid_flags & SPDK_BLOB_INTERNAL_XATTR) == 0);
2527 
2528 	CU_ASSERT(g_bserrno == 0);
2529 	g_bs = NULL;
2530 }
2531 
2532 static void
2533 bs_load(void)
2534 {
2535 	struct spdk_bs_dev *dev;
2536 	spdk_blob_id blobid;
2537 	struct spdk_blob *blob;
2538 	struct spdk_bs_super_block *super_block;
2539 	uint64_t length;
2540 	int rc;
2541 	const void *value;
2542 	size_t value_len;
2543 	struct spdk_bs_opts opts;
2544 
2545 	dev = init_dev();
2546 	spdk_bs_opts_init(&opts);
2547 	snprintf(opts.bstype.bstype, sizeof(opts.bstype.bstype), "TESTTYPE");
2548 
2549 	/* Initialize a new blob store */
2550 	spdk_bs_init(dev, &opts, bs_op_with_handle_complete, NULL);
2551 	poll_threads();
2552 	CU_ASSERT(g_bserrno == 0);
2553 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
2554 
2555 	/* Try to open a blobid that does not exist */
2556 	spdk_bs_open_blob(g_bs, 0, blob_op_with_handle_complete, NULL);
2557 	poll_threads();
2558 	CU_ASSERT(g_bserrno == -ENOENT);
2559 	CU_ASSERT(g_blob == NULL);
2560 
2561 	/* Create a blob */
2562 	spdk_bs_create_blob(g_bs, blob_op_with_id_complete, NULL);
2563 	poll_threads();
2564 	CU_ASSERT(g_bserrno == 0);
2565 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
2566 	blobid = g_blobid;
2567 
2568 	spdk_bs_open_blob(g_bs, blobid, blob_op_with_handle_complete, NULL);
2569 	poll_threads();
2570 	CU_ASSERT(g_bserrno == 0);
2571 	CU_ASSERT(g_blob != NULL);
2572 	blob = g_blob;
2573 
2574 	/* Try again to open valid blob but without the upper bit set */
2575 	spdk_bs_open_blob(g_bs, blobid & 0xFFFFFFFF, blob_op_with_handle_complete, NULL);
2576 	poll_threads();
2577 	CU_ASSERT(g_bserrno == -ENOENT);
2578 	CU_ASSERT(g_blob == NULL);
2579 
2580 	/* Set some xattrs */
2581 	rc = spdk_blob_set_xattr(blob, "name", "log.txt", strlen("log.txt") + 1);
2582 	CU_ASSERT(rc == 0);
2583 
2584 	length = 2345;
2585 	rc = spdk_blob_set_xattr(blob, "length", &length, sizeof(length));
2586 	CU_ASSERT(rc == 0);
2587 
2588 	/* Resize the blob */
2589 	spdk_blob_resize(blob, 10, blob_op_complete, NULL);
2590 	poll_threads();
2591 	CU_ASSERT(g_bserrno == 0);
2592 
2593 	spdk_blob_close(blob, blob_op_complete, NULL);
2594 	poll_threads();
2595 	CU_ASSERT(g_bserrno == 0);
2596 	blob = NULL;
2597 	g_blob = NULL;
2598 	g_blobid = SPDK_BLOBID_INVALID;
2599 
2600 	/* Unload the blob store */
2601 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
2602 	poll_threads();
2603 	CU_ASSERT(g_bserrno == 0);
2604 	g_bs = NULL;
2605 	g_blob = NULL;
2606 	g_blobid = 0;
2607 
2608 	super_block = (struct spdk_bs_super_block *)g_dev_buffer;
2609 	CU_ASSERT(super_block->clean == 1);
2610 
2611 	/* Load should fail for device with an unsupported blocklen */
2612 	dev = init_dev();
2613 	dev->blocklen = SPDK_BS_PAGE_SIZE * 2;
2614 	spdk_bs_load(dev, NULL, bs_op_with_handle_complete, NULL);
2615 	poll_threads();
2616 	CU_ASSERT(g_bserrno == -EINVAL);
2617 
2618 	/* Load should when max_md_ops is set to zero */
2619 	dev = init_dev();
2620 	spdk_bs_opts_init(&opts);
2621 	opts.max_md_ops = 0;
2622 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
2623 	poll_threads();
2624 	CU_ASSERT(g_bserrno == -EINVAL);
2625 
2626 	/* Load should when max_channel_ops is set to zero */
2627 	dev = init_dev();
2628 	spdk_bs_opts_init(&opts);
2629 	opts.max_channel_ops = 0;
2630 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
2631 	poll_threads();
2632 	CU_ASSERT(g_bserrno == -EINVAL);
2633 
2634 	/* Load an existing blob store */
2635 	dev = init_dev();
2636 	spdk_bs_opts_init(&opts);
2637 	snprintf(opts.bstype.bstype, sizeof(opts.bstype.bstype), "TESTTYPE");
2638 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
2639 	poll_threads();
2640 	CU_ASSERT(g_bserrno == 0);
2641 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
2642 
2643 	super_block = (struct spdk_bs_super_block *)g_dev_buffer;
2644 	CU_ASSERT(super_block->clean == 1);
2645 	CU_ASSERT(super_block->size == dev->blockcnt * dev->blocklen);
2646 
2647 	spdk_bs_open_blob(g_bs, blobid, blob_op_with_handle_complete, NULL);
2648 	poll_threads();
2649 	CU_ASSERT(g_bserrno == 0);
2650 	CU_ASSERT(g_blob != NULL);
2651 	blob = g_blob;
2652 
2653 	/* Verify that blobstore is marked dirty after first metadata sync */
2654 	spdk_blob_sync_md(blob, blob_op_complete, NULL);
2655 	CU_ASSERT(super_block->clean == 1);
2656 
2657 	/* Get the xattrs */
2658 	value = NULL;
2659 	rc = spdk_blob_get_xattr_value(blob, "length", &value, &value_len);
2660 	CU_ASSERT(rc == 0);
2661 	SPDK_CU_ASSERT_FATAL(value != NULL);
2662 	CU_ASSERT(*(uint64_t *)value == length);
2663 	CU_ASSERT(value_len == 8);
2664 
2665 	rc = spdk_blob_get_xattr_value(blob, "foobar", &value, &value_len);
2666 	CU_ASSERT(rc == -ENOENT);
2667 
2668 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 10);
2669 
2670 	spdk_blob_close(blob, blob_op_complete, NULL);
2671 	poll_threads();
2672 	CU_ASSERT(g_bserrno == 0);
2673 	blob = NULL;
2674 	g_blob = NULL;
2675 
2676 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
2677 	poll_threads();
2678 	CU_ASSERT(g_bserrno == 0);
2679 	g_bs = NULL;
2680 
2681 	/* Load should fail: bdev size < saved size */
2682 	dev = init_dev();
2683 	dev->blockcnt /= 2;
2684 
2685 	spdk_bs_opts_init(&opts);
2686 	snprintf(opts.bstype.bstype, sizeof(opts.bstype.bstype), "TESTTYPE");
2687 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
2688 	poll_threads();
2689 
2690 	CU_ASSERT(g_bserrno == -EILSEQ);
2691 
2692 	/* Load should succeed: bdev size > saved size */
2693 	dev = init_dev();
2694 	dev->blockcnt *= 4;
2695 
2696 	spdk_bs_opts_init(&opts);
2697 	snprintf(opts.bstype.bstype, sizeof(opts.bstype.bstype), "TESTTYPE");
2698 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
2699 	poll_threads();
2700 
2701 	CU_ASSERT(g_bserrno == 0);
2702 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
2703 	poll_threads();
2704 
2705 
2706 	/* Test compatibility mode */
2707 
2708 	dev = init_dev();
2709 	super_block->size = 0;
2710 	super_block->crc = _spdk_blob_md_page_calc_crc(super_block);
2711 
2712 	spdk_bs_opts_init(&opts);
2713 	snprintf(opts.bstype.bstype, sizeof(opts.bstype.bstype), "TESTTYPE");
2714 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
2715 	poll_threads();
2716 	CU_ASSERT(g_bserrno == 0);
2717 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
2718 
2719 	/* Create a blob */
2720 	spdk_bs_create_blob(g_bs, blob_op_with_id_complete, NULL);
2721 	poll_threads();
2722 	CU_ASSERT(g_bserrno == 0);
2723 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
2724 
2725 	/* Blobstore should update number of blocks in super_block */
2726 	CU_ASSERT(super_block->size == dev->blockcnt * dev->blocklen);
2727 	CU_ASSERT(super_block->clean == 0);
2728 
2729 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
2730 	poll_threads();
2731 	CU_ASSERT(g_bserrno == 0);
2732 	CU_ASSERT(super_block->clean == 1);
2733 	g_bs = NULL;
2734 
2735 }
2736 
2737 static void
2738 bs_load_pending_removal(void)
2739 {
2740 	struct spdk_blob_store *bs;
2741 	struct spdk_bs_dev *dev;
2742 	struct spdk_blob_opts opts;
2743 	struct spdk_blob *blob, *snapshot;
2744 	spdk_blob_id blobid, snapshotid;
2745 	const void *value;
2746 	size_t value_len;
2747 	int rc;
2748 
2749 	dev = init_dev();
2750 
2751 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
2752 	poll_threads();
2753 	CU_ASSERT(g_bserrno == 0);
2754 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
2755 	bs = g_bs;
2756 
2757 	/* Create blob */
2758 	spdk_blob_opts_init(&opts);
2759 	opts.num_clusters = 10;
2760 
2761 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
2762 	poll_threads();
2763 	CU_ASSERT(g_bserrno == 0);
2764 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
2765 	blobid = g_blobid;
2766 
2767 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
2768 	poll_threads();
2769 	CU_ASSERT(g_bserrno == 0);
2770 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
2771 	blob = g_blob;
2772 
2773 	/* Create snapshot */
2774 	spdk_bs_create_snapshot(bs, blobid, NULL, blob_op_with_id_complete, NULL);
2775 	poll_threads();
2776 	CU_ASSERT(g_bserrno == 0);
2777 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
2778 	snapshotid = g_blobid;
2779 
2780 	spdk_bs_open_blob(bs, snapshotid, blob_op_with_handle_complete, NULL);
2781 	poll_threads();
2782 	CU_ASSERT(g_bserrno == 0);
2783 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
2784 	snapshot = g_blob;
2785 
2786 	/* Set SNAPSHOT_PENDING_REMOVAL xattr */
2787 	snapshot->md_ro = false;
2788 	rc = _spdk_blob_set_xattr(snapshot, SNAPSHOT_PENDING_REMOVAL, &blobid, sizeof(spdk_blob_id), true);
2789 	CU_ASSERT(rc == 0);
2790 	snapshot->md_ro = true;
2791 
2792 	spdk_blob_close(snapshot, blob_op_complete, NULL);
2793 	poll_threads();
2794 	CU_ASSERT(g_bserrno == 0);
2795 
2796 	spdk_blob_close(blob, blob_op_complete, NULL);
2797 	poll_threads();
2798 	CU_ASSERT(g_bserrno == 0);
2799 
2800 	/* Reload blobstore */
2801 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
2802 	poll_threads();
2803 	CU_ASSERT(g_bserrno == 0);
2804 	g_bs = NULL;
2805 
2806 	dev = init_dev();
2807 	spdk_bs_load(dev, NULL, bs_op_with_handle_complete, NULL);
2808 	poll_threads();
2809 	CU_ASSERT(g_bserrno == 0);
2810 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
2811 	bs = g_bs;
2812 
2813 	/* Snapshot should not be removed as blob is still pointing to it */
2814 	spdk_bs_open_blob(bs, snapshotid, blob_op_with_handle_complete, NULL);
2815 	poll_threads();
2816 	CU_ASSERT(g_bserrno == 0);
2817 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
2818 	snapshot = g_blob;
2819 
2820 	/* SNAPSHOT_PENDING_REMOVAL xattr should be removed during load */
2821 	rc = spdk_blob_get_xattr_value(snapshot, SNAPSHOT_PENDING_REMOVAL, &value, &value_len);
2822 	CU_ASSERT(rc != 0);
2823 
2824 	/* Set SNAPSHOT_PENDING_REMOVAL xattr again */
2825 	snapshot->md_ro = false;
2826 	rc = _spdk_blob_set_xattr(snapshot, SNAPSHOT_PENDING_REMOVAL, &blobid, sizeof(spdk_blob_id), true);
2827 	CU_ASSERT(rc == 0);
2828 	snapshot->md_ro = true;
2829 
2830 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
2831 	poll_threads();
2832 	CU_ASSERT(g_bserrno == 0);
2833 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
2834 	blob = g_blob;
2835 
2836 	/* Remove parent_id from blob by removing BLOB_SNAPSHOT xattr */
2837 	_spdk_blob_remove_xattr(blob, BLOB_SNAPSHOT, true);
2838 
2839 	spdk_blob_sync_md(blob, blob_op_complete, NULL);
2840 	poll_threads();
2841 	CU_ASSERT(g_bserrno == 0);
2842 
2843 	spdk_blob_close(snapshot, blob_op_complete, NULL);
2844 	poll_threads();
2845 	CU_ASSERT(g_bserrno == 0);
2846 
2847 	spdk_blob_close(blob, blob_op_complete, NULL);
2848 	poll_threads();
2849 	CU_ASSERT(g_bserrno == 0);
2850 
2851 	/* Reload blobstore */
2852 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
2853 	poll_threads();
2854 	CU_ASSERT(g_bserrno == 0);
2855 	g_bs = NULL;
2856 
2857 	dev = init_dev();
2858 	spdk_bs_load(dev, NULL, bs_op_with_handle_complete, NULL);
2859 	poll_threads();
2860 	CU_ASSERT(g_bserrno == 0);
2861 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
2862 	bs = g_bs;
2863 
2864 	/* Snapshot should be removed as blob is not pointing to it anymore */
2865 	spdk_bs_open_blob(bs, snapshotid, blob_op_with_handle_complete, NULL);
2866 	poll_threads();
2867 	CU_ASSERT(g_bserrno != 0);
2868 
2869 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
2870 	poll_threads();
2871 	CU_ASSERT(g_bserrno == 0);
2872 	g_bs = NULL;
2873 }
2874 
2875 static void
2876 bs_load_custom_cluster_size(void)
2877 {
2878 	struct spdk_bs_dev *dev;
2879 	struct spdk_bs_super_block *super_block;
2880 	struct spdk_bs_opts opts;
2881 	uint32_t custom_cluster_size = 4194304; /* 4MiB */
2882 	uint32_t cluster_sz;
2883 	uint64_t total_clusters;
2884 
2885 	dev = init_dev();
2886 	spdk_bs_opts_init(&opts);
2887 	opts.cluster_sz = custom_cluster_size;
2888 	snprintf(opts.bstype.bstype, sizeof(opts.bstype.bstype), "TESTTYPE");
2889 
2890 	/* Initialize a new blob store */
2891 	spdk_bs_init(dev, &opts, bs_op_with_handle_complete, NULL);
2892 	poll_threads();
2893 	CU_ASSERT(g_bserrno == 0);
2894 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
2895 	cluster_sz = g_bs->cluster_sz;
2896 	total_clusters = g_bs->total_clusters;
2897 
2898 	/* Unload the blob store */
2899 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
2900 	poll_threads();
2901 	CU_ASSERT(g_bserrno == 0);
2902 	g_bs = NULL;
2903 	g_blob = NULL;
2904 	g_blobid = 0;
2905 
2906 	super_block = (struct spdk_bs_super_block *)g_dev_buffer;
2907 	CU_ASSERT(super_block->clean == 1);
2908 
2909 	/* Load an existing blob store */
2910 	dev = init_dev();
2911 	spdk_bs_opts_init(&opts);
2912 	snprintf(opts.bstype.bstype, sizeof(opts.bstype.bstype), "TESTTYPE");
2913 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
2914 	poll_threads();
2915 	CU_ASSERT(g_bserrno == 0);
2916 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
2917 	/* Compare cluster size and number to one after initialization */
2918 	CU_ASSERT(cluster_sz == g_bs->cluster_sz);
2919 	CU_ASSERT(total_clusters == g_bs->total_clusters);
2920 
2921 	super_block = (struct spdk_bs_super_block *)g_dev_buffer;
2922 	CU_ASSERT(super_block->clean == 1);
2923 	CU_ASSERT(super_block->size == dev->blockcnt * dev->blocklen);
2924 
2925 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
2926 	poll_threads();
2927 	CU_ASSERT(g_bserrno == 0);
2928 	CU_ASSERT(super_block->clean == 1);
2929 	g_bs = NULL;
2930 }
2931 
2932 static void
2933 bs_type(void)
2934 {
2935 	struct spdk_bs_dev *dev;
2936 	struct spdk_bs_opts opts;
2937 
2938 	dev = init_dev();
2939 	spdk_bs_opts_init(&opts);
2940 	snprintf(opts.bstype.bstype, sizeof(opts.bstype.bstype), "TESTTYPE");
2941 
2942 	/* Initialize a new blob store */
2943 	spdk_bs_init(dev, &opts, bs_op_with_handle_complete, NULL);
2944 	poll_threads();
2945 	CU_ASSERT(g_bserrno == 0);
2946 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
2947 
2948 	/* Unload the blob store */
2949 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
2950 	poll_threads();
2951 	CU_ASSERT(g_bserrno == 0);
2952 	g_bs = NULL;
2953 	g_blob = NULL;
2954 	g_blobid = 0;
2955 
2956 	/* Load non existing blobstore type */
2957 	dev = init_dev();
2958 	snprintf(opts.bstype.bstype, sizeof(opts.bstype.bstype), "NONEXISTING");
2959 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
2960 	poll_threads();
2961 	CU_ASSERT(g_bserrno != 0);
2962 
2963 	/* Load with empty blobstore type */
2964 	dev = init_dev();
2965 	memset(opts.bstype.bstype, 0, sizeof(opts.bstype.bstype));
2966 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
2967 	poll_threads();
2968 	CU_ASSERT(g_bserrno == 0);
2969 
2970 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
2971 	poll_threads();
2972 	CU_ASSERT(g_bserrno == 0);
2973 	g_bs = NULL;
2974 
2975 	/* Initialize a new blob store with empty bstype */
2976 	dev = init_dev();
2977 	memset(opts.bstype.bstype, 0, sizeof(opts.bstype.bstype));
2978 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
2979 	poll_threads();
2980 	CU_ASSERT(g_bserrno == 0);
2981 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
2982 
2983 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
2984 	poll_threads();
2985 	CU_ASSERT(g_bserrno == 0);
2986 	g_bs = NULL;
2987 
2988 	/* Load non existing blobstore type */
2989 	dev = init_dev();
2990 	snprintf(opts.bstype.bstype, sizeof(opts.bstype.bstype), "NONEXISTING");
2991 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
2992 	poll_threads();
2993 	CU_ASSERT(g_bserrno != 0);
2994 
2995 	/* Load with empty blobstore type */
2996 	dev = init_dev();
2997 	memset(opts.bstype.bstype, 0, sizeof(opts.bstype.bstype));
2998 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
2999 	poll_threads();
3000 	CU_ASSERT(g_bserrno == 0);
3001 
3002 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
3003 	poll_threads();
3004 	CU_ASSERT(g_bserrno == 0);
3005 	g_bs = NULL;
3006 }
3007 
3008 static void
3009 bs_super_block(void)
3010 {
3011 	struct spdk_bs_dev *dev;
3012 	struct spdk_bs_super_block *super_block;
3013 	struct spdk_bs_opts opts;
3014 	struct spdk_bs_super_block_ver1 super_block_v1;
3015 
3016 	dev = init_dev();
3017 	spdk_bs_opts_init(&opts);
3018 	snprintf(opts.bstype.bstype, sizeof(opts.bstype.bstype), "TESTTYPE");
3019 
3020 	/* Initialize a new blob store */
3021 	spdk_bs_init(dev, &opts, bs_op_with_handle_complete, NULL);
3022 	poll_threads();
3023 	CU_ASSERT(g_bserrno == 0);
3024 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
3025 
3026 	/* Unload the blob store */
3027 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
3028 	poll_threads();
3029 	CU_ASSERT(g_bserrno == 0);
3030 	g_bs = NULL;
3031 	g_blob = NULL;
3032 	g_blobid = 0;
3033 
3034 	/* Load an existing blob store with version newer than supported */
3035 	super_block = (struct spdk_bs_super_block *)g_dev_buffer;
3036 	super_block->version++;
3037 
3038 	dev = init_dev();
3039 	memset(opts.bstype.bstype, 0, sizeof(opts.bstype.bstype));
3040 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
3041 	poll_threads();
3042 	CU_ASSERT(g_bserrno != 0);
3043 
3044 	/* Create a new blob store with super block version 1 */
3045 	dev = init_dev();
3046 	super_block_v1.version = 1;
3047 	memcpy(super_block_v1.signature, "SPDKBLOB", sizeof(super_block_v1.signature));
3048 	super_block_v1.length = 0x1000;
3049 	super_block_v1.clean = 1;
3050 	super_block_v1.super_blob = 0xFFFFFFFFFFFFFFFF;
3051 	super_block_v1.cluster_size = 0x100000;
3052 	super_block_v1.used_page_mask_start = 0x01;
3053 	super_block_v1.used_page_mask_len = 0x01;
3054 	super_block_v1.used_cluster_mask_start = 0x02;
3055 	super_block_v1.used_cluster_mask_len = 0x01;
3056 	super_block_v1.md_start = 0x03;
3057 	super_block_v1.md_len = 0x40;
3058 	memset(super_block_v1.reserved, 0, 4036);
3059 	super_block_v1.crc = _spdk_blob_md_page_calc_crc(&super_block_v1);
3060 	memcpy(g_dev_buffer, &super_block_v1, sizeof(struct spdk_bs_super_block_ver1));
3061 
3062 	memset(opts.bstype.bstype, 0, sizeof(opts.bstype.bstype));
3063 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
3064 	poll_threads();
3065 	CU_ASSERT(g_bserrno == 0);
3066 
3067 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
3068 	poll_threads();
3069 	CU_ASSERT(g_bserrno == 0);
3070 	g_bs = NULL;
3071 }
3072 
3073 /*
3074  * Create a blobstore and then unload it.
3075  */
3076 static void
3077 bs_unload(void)
3078 {
3079 	struct spdk_bs_dev *dev;
3080 	struct spdk_blob_store *bs;
3081 	spdk_blob_id blobid;
3082 	struct spdk_blob *blob;
3083 
3084 	dev = init_dev();
3085 
3086 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
3087 	poll_threads();
3088 	CU_ASSERT(g_bserrno == 0);
3089 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
3090 	bs = g_bs;
3091 
3092 	/* Create a blob and open it. */
3093 	g_bserrno = -1;
3094 	spdk_bs_create_blob(bs, blob_op_with_id_complete, NULL);
3095 	poll_threads();
3096 	CU_ASSERT(g_bserrno == 0);
3097 	CU_ASSERT(g_blobid > 0);
3098 	blobid = g_blobid;
3099 
3100 	g_bserrno = -1;
3101 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
3102 	poll_threads();
3103 	CU_ASSERT(g_bserrno == 0);
3104 	CU_ASSERT(g_blob != NULL);
3105 	blob = g_blob;
3106 
3107 	/* Try to unload blobstore, should fail with open blob */
3108 	g_bserrno = -1;
3109 	spdk_bs_unload(bs, bs_op_complete, NULL);
3110 	poll_threads();
3111 	CU_ASSERT(g_bserrno == -EBUSY);
3112 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
3113 
3114 	/* Close the blob, then successfully unload blobstore */
3115 	g_bserrno = -1;
3116 	spdk_blob_close(blob, blob_op_complete, NULL);
3117 	poll_threads();
3118 	CU_ASSERT(g_bserrno == 0);
3119 
3120 	g_bserrno = -1;
3121 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
3122 	poll_threads();
3123 	CU_ASSERT(g_bserrno == 0);
3124 	g_bs = NULL;
3125 }
3126 
3127 /*
3128  * Create a blobstore with a cluster size different than the default, and ensure it is
3129  *  persisted.
3130  */
3131 static void
3132 bs_cluster_sz(void)
3133 {
3134 	struct spdk_bs_dev *dev;
3135 	struct spdk_bs_opts opts;
3136 	uint32_t cluster_sz;
3137 
3138 	/* Set cluster size to zero */
3139 	dev = init_dev();
3140 	spdk_bs_opts_init(&opts);
3141 	opts.cluster_sz = 0;
3142 
3143 	/* Initialize a new blob store */
3144 	spdk_bs_init(dev, &opts, bs_op_with_handle_complete, NULL);
3145 	poll_threads();
3146 	CU_ASSERT(g_bserrno == -EINVAL);
3147 	SPDK_CU_ASSERT_FATAL(g_bs == NULL);
3148 
3149 	/*
3150 	 * Set cluster size to blobstore page size,
3151 	 * to work it is required to be at least twice the blobstore page size.
3152 	 */
3153 	dev = init_dev();
3154 	spdk_bs_opts_init(&opts);
3155 	opts.cluster_sz = SPDK_BS_PAGE_SIZE;
3156 
3157 	/* Initialize a new blob store */
3158 	spdk_bs_init(dev, &opts, bs_op_with_handle_complete, NULL);
3159 	poll_threads();
3160 	CU_ASSERT(g_bserrno == -ENOMEM);
3161 	SPDK_CU_ASSERT_FATAL(g_bs == NULL);
3162 
3163 	/*
3164 	 * Set cluster size to lower than page size,
3165 	 * to work it is required to be at least twice the blobstore page size.
3166 	 */
3167 	dev = init_dev();
3168 	spdk_bs_opts_init(&opts);
3169 	opts.cluster_sz = SPDK_BS_PAGE_SIZE - 1;
3170 
3171 	/* Initialize a new blob store */
3172 	spdk_bs_init(dev, &opts, bs_op_with_handle_complete, NULL);
3173 	poll_threads();
3174 	CU_ASSERT(g_bserrno == -EINVAL);
3175 	SPDK_CU_ASSERT_FATAL(g_bs == NULL);
3176 
3177 	/* Set cluster size to twice the default */
3178 	dev = init_dev();
3179 	spdk_bs_opts_init(&opts);
3180 	opts.cluster_sz *= 2;
3181 	cluster_sz = opts.cluster_sz;
3182 
3183 	/* Initialize a new blob store */
3184 	spdk_bs_init(dev, &opts, bs_op_with_handle_complete, NULL);
3185 	poll_threads();
3186 	CU_ASSERT(g_bserrno == 0);
3187 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
3188 
3189 	CU_ASSERT(spdk_bs_get_cluster_size(g_bs) == cluster_sz);
3190 
3191 	/* Unload the blob store */
3192 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
3193 	poll_threads();
3194 	CU_ASSERT(g_bserrno == 0);
3195 	g_bs = NULL;
3196 	g_blob = NULL;
3197 	g_blobid = 0;
3198 
3199 	dev = init_dev();
3200 	/* Load an existing blob store */
3201 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
3202 	poll_threads();
3203 	CU_ASSERT(g_bserrno == 0);
3204 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
3205 
3206 	CU_ASSERT(spdk_bs_get_cluster_size(g_bs) == cluster_sz);
3207 
3208 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
3209 	poll_threads();
3210 	CU_ASSERT(g_bserrno == 0);
3211 	g_bs = NULL;
3212 }
3213 
3214 /*
3215  * Create a blobstore, reload it and ensure total usable cluster count
3216  *  stays the same.
3217  */
3218 static void
3219 bs_usable_clusters(void)
3220 {
3221 	struct spdk_bs_dev *dev;
3222 	struct spdk_bs_opts opts;
3223 	uint32_t clusters;
3224 	int i;
3225 
3226 	/* Init blobstore */
3227 	dev = init_dev();
3228 	spdk_bs_opts_init(&opts);
3229 
3230 	spdk_bs_init(dev, &opts, bs_op_with_handle_complete, NULL);
3231 	poll_threads();
3232 	CU_ASSERT(g_bserrno == 0);
3233 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
3234 
3235 	clusters = spdk_bs_total_data_cluster_count(g_bs);
3236 
3237 	/* Unload the blob store */
3238 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
3239 	poll_threads();
3240 	CU_ASSERT(g_bserrno == 0);
3241 	g_bs = NULL;
3242 
3243 	dev = init_dev();
3244 	/* Load an existing blob store */
3245 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
3246 	poll_threads();
3247 	CU_ASSERT(g_bserrno == 0);
3248 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
3249 
3250 	CU_ASSERT(spdk_bs_total_data_cluster_count(g_bs) == clusters);
3251 
3252 	/* Create and resize blobs to make sure that useable cluster count won't change */
3253 	for (i = 0; i < 4; i++) {
3254 		g_bserrno = -1;
3255 		g_blobid = SPDK_BLOBID_INVALID;
3256 		spdk_bs_create_blob(g_bs, blob_op_with_id_complete, NULL);
3257 		poll_threads();
3258 		CU_ASSERT(g_bserrno == 0);
3259 		CU_ASSERT(g_blobid !=  SPDK_BLOBID_INVALID);
3260 
3261 		g_bserrno = -1;
3262 		g_blob = NULL;
3263 		spdk_bs_open_blob(g_bs, g_blobid, blob_op_with_handle_complete, NULL);
3264 		poll_threads();
3265 		CU_ASSERT(g_bserrno == 0);
3266 		CU_ASSERT(g_blob !=  NULL);
3267 
3268 		spdk_blob_resize(g_blob, 10, blob_op_complete, NULL);
3269 		poll_threads();
3270 		CU_ASSERT(g_bserrno == 0);
3271 
3272 		g_bserrno = -1;
3273 		spdk_blob_close(g_blob, blob_op_complete, NULL);
3274 		poll_threads();
3275 		CU_ASSERT(g_bserrno == 0);
3276 
3277 		CU_ASSERT(spdk_bs_total_data_cluster_count(g_bs) == clusters);
3278 	}
3279 
3280 	/* Reload the blob store to make sure that nothing changed */
3281 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
3282 	poll_threads();
3283 	CU_ASSERT(g_bserrno == 0);
3284 	g_bs = NULL;
3285 
3286 	dev = init_dev();
3287 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
3288 	poll_threads();
3289 	CU_ASSERT(g_bserrno == 0);
3290 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
3291 
3292 	CU_ASSERT(spdk_bs_total_data_cluster_count(g_bs) == clusters);
3293 
3294 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
3295 	poll_threads();
3296 	CU_ASSERT(g_bserrno == 0);
3297 	g_bs = NULL;
3298 }
3299 
3300 /*
3301  * Test resizing of the metadata blob.  This requires creating enough blobs
3302  *  so that one cluster is not enough to fit the metadata for those blobs.
3303  *  To induce this condition to happen more quickly, we reduce the cluster
3304  *  size to 16KB, which means only 4 4KB blob metadata pages can fit.
3305  */
3306 static void
3307 bs_resize_md(void)
3308 {
3309 	const int CLUSTER_PAGE_COUNT = 4;
3310 	const int NUM_BLOBS = CLUSTER_PAGE_COUNT * 4;
3311 	struct spdk_bs_dev *dev;
3312 	struct spdk_bs_opts opts;
3313 	uint32_t cluster_sz;
3314 	spdk_blob_id blobids[NUM_BLOBS];
3315 	int i;
3316 
3317 
3318 	dev = init_dev();
3319 	spdk_bs_opts_init(&opts);
3320 	opts.cluster_sz = CLUSTER_PAGE_COUNT * 4096;
3321 	cluster_sz = opts.cluster_sz;
3322 
3323 	/* Initialize a new blob store */
3324 	spdk_bs_init(dev, &opts, bs_op_with_handle_complete, NULL);
3325 	poll_threads();
3326 	CU_ASSERT(g_bserrno == 0);
3327 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
3328 
3329 	CU_ASSERT(spdk_bs_get_cluster_size(g_bs) == cluster_sz);
3330 
3331 	for (i = 0; i < NUM_BLOBS; i++) {
3332 		g_bserrno = -1;
3333 		g_blobid = SPDK_BLOBID_INVALID;
3334 		spdk_bs_create_blob(g_bs, blob_op_with_id_complete, NULL);
3335 		poll_threads();
3336 		CU_ASSERT(g_bserrno == 0);
3337 		CU_ASSERT(g_blobid !=  SPDK_BLOBID_INVALID);
3338 		blobids[i] = g_blobid;
3339 	}
3340 
3341 	/* Unload the blob store */
3342 	g_bserrno = -1;
3343 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
3344 	poll_threads();
3345 	CU_ASSERT(g_bserrno == 0);
3346 
3347 	/* Load an existing blob store */
3348 	g_bserrno = -1;
3349 	g_bs = NULL;
3350 	dev = init_dev();
3351 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
3352 	poll_threads();
3353 	CU_ASSERT(g_bserrno == 0);
3354 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
3355 
3356 	CU_ASSERT(spdk_bs_get_cluster_size(g_bs) == cluster_sz);
3357 
3358 	for (i = 0; i < NUM_BLOBS; i++) {
3359 		g_bserrno = -1;
3360 		g_blob = NULL;
3361 		spdk_bs_open_blob(g_bs, blobids[i], blob_op_with_handle_complete, NULL);
3362 		poll_threads();
3363 		CU_ASSERT(g_bserrno == 0);
3364 		CU_ASSERT(g_blob !=  NULL);
3365 		g_bserrno = -1;
3366 		spdk_blob_close(g_blob, blob_op_complete, NULL);
3367 		poll_threads();
3368 		CU_ASSERT(g_bserrno == 0);
3369 	}
3370 
3371 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
3372 	poll_threads();
3373 	CU_ASSERT(g_bserrno == 0);
3374 	g_bs = NULL;
3375 }
3376 
3377 static void
3378 bs_destroy(void)
3379 {
3380 	struct spdk_bs_dev *dev;
3381 	struct spdk_bs_opts opts;
3382 
3383 	/* Initialize a new blob store */
3384 	dev = init_dev();
3385 	spdk_bs_opts_init(&opts);
3386 	spdk_bs_init(dev, &opts, bs_op_with_handle_complete, NULL);
3387 	poll_threads();
3388 	CU_ASSERT(g_bserrno == 0);
3389 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
3390 
3391 	/* Destroy the blob store */
3392 	g_bserrno = -1;
3393 	spdk_bs_destroy(g_bs, bs_op_complete, NULL);
3394 	poll_threads();
3395 	CU_ASSERT(g_bserrno == 0);
3396 
3397 	/* Loading an non-existent blob store should fail. */
3398 	g_bs = NULL;
3399 	dev = init_dev();
3400 
3401 	g_bserrno = 0;
3402 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
3403 	poll_threads();
3404 	CU_ASSERT(g_bserrno != 0);
3405 }
3406 
3407 /* Try to hit all of the corner cases associated with serializing
3408  * a blob to disk
3409  */
3410 static void
3411 blob_serialize(void)
3412 {
3413 	struct spdk_bs_dev *dev;
3414 	struct spdk_bs_opts opts;
3415 	struct spdk_blob_store *bs;
3416 	spdk_blob_id blobid[2];
3417 	struct spdk_blob *blob[2];
3418 	uint64_t i;
3419 	char *value;
3420 	int rc;
3421 
3422 	dev = init_dev();
3423 
3424 	/* Initialize a new blobstore with very small clusters */
3425 	spdk_bs_opts_init(&opts);
3426 	opts.cluster_sz = dev->blocklen * 8;
3427 	spdk_bs_init(dev, &opts, bs_op_with_handle_complete, NULL);
3428 	poll_threads();
3429 	CU_ASSERT(g_bserrno == 0);
3430 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
3431 	bs = g_bs;
3432 
3433 	/* Create and open two blobs */
3434 	for (i = 0; i < 2; i++) {
3435 		spdk_bs_create_blob(bs, blob_op_with_id_complete, NULL);
3436 		poll_threads();
3437 		CU_ASSERT(g_bserrno == 0);
3438 		CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
3439 		blobid[i] = g_blobid;
3440 
3441 		/* Open a blob */
3442 		spdk_bs_open_blob(bs, blobid[i], blob_op_with_handle_complete, NULL);
3443 		poll_threads();
3444 		CU_ASSERT(g_bserrno == 0);
3445 		CU_ASSERT(g_blob != NULL);
3446 		blob[i] = g_blob;
3447 
3448 		/* Set a fairly large xattr on both blobs to eat up
3449 		 * metadata space
3450 		 */
3451 		value = calloc(dev->blocklen - 64, sizeof(char));
3452 		SPDK_CU_ASSERT_FATAL(value != NULL);
3453 		memset(value, i, dev->blocklen / 2);
3454 		rc = spdk_blob_set_xattr(blob[i], "name", value, dev->blocklen - 64);
3455 		CU_ASSERT(rc == 0);
3456 		free(value);
3457 	}
3458 
3459 	/* Resize the blobs, alternating 1 cluster at a time.
3460 	 * This thwarts run length encoding and will cause spill
3461 	 * over of the extents.
3462 	 */
3463 	for (i = 0; i < 6; i++) {
3464 		spdk_blob_resize(blob[i % 2], (i / 2) + 1, blob_op_complete, NULL);
3465 		poll_threads();
3466 		CU_ASSERT(g_bserrno == 0);
3467 	}
3468 
3469 	for (i = 0; i < 2; i++) {
3470 		spdk_blob_sync_md(blob[i], blob_op_complete, NULL);
3471 		poll_threads();
3472 		CU_ASSERT(g_bserrno == 0);
3473 	}
3474 
3475 	/* Close the blobs */
3476 	for (i = 0; i < 2; i++) {
3477 		spdk_blob_close(blob[i], blob_op_complete, NULL);
3478 		poll_threads();
3479 		CU_ASSERT(g_bserrno == 0);
3480 	}
3481 
3482 	/* Unload the blobstore */
3483 	spdk_bs_unload(bs, bs_op_complete, NULL);
3484 	poll_threads();
3485 	CU_ASSERT(g_bserrno == 0);
3486 	g_bs = NULL;
3487 	g_blob = NULL;
3488 	g_blobid = 0;
3489 	bs = NULL;
3490 
3491 	dev = init_dev();
3492 	/* Load an existing blob store */
3493 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
3494 	poll_threads();
3495 	CU_ASSERT(g_bserrno == 0);
3496 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
3497 	bs = g_bs;
3498 
3499 	for (i = 0; i < 2; i++) {
3500 		blob[i] = NULL;
3501 
3502 		spdk_bs_open_blob(bs, blobid[i], blob_op_with_handle_complete, NULL);
3503 		poll_threads();
3504 		CU_ASSERT(g_bserrno == 0);
3505 		CU_ASSERT(g_blob != NULL);
3506 		blob[i] = g_blob;
3507 
3508 		CU_ASSERT(spdk_blob_get_num_clusters(blob[i]) == 3);
3509 
3510 		spdk_blob_close(blob[i], blob_op_complete, NULL);
3511 		poll_threads();
3512 		CU_ASSERT(g_bserrno == 0);
3513 	}
3514 
3515 	spdk_bs_unload(bs, bs_op_complete, NULL);
3516 	poll_threads();
3517 	CU_ASSERT(g_bserrno == 0);
3518 	g_bs = NULL;
3519 }
3520 
3521 static void
3522 blob_crc(void)
3523 {
3524 	struct spdk_blob_store *bs;
3525 	struct spdk_bs_dev *dev;
3526 	struct spdk_blob *blob;
3527 	spdk_blob_id blobid;
3528 	uint32_t page_num;
3529 	int index;
3530 	struct spdk_blob_md_page *page;
3531 
3532 	dev = init_dev();
3533 
3534 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
3535 	poll_threads();
3536 	CU_ASSERT(g_bserrno == 0);
3537 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
3538 	bs = g_bs;
3539 
3540 	spdk_bs_create_blob(bs, blob_op_with_id_complete, NULL);
3541 	poll_threads();
3542 	CU_ASSERT(g_bserrno == 0);
3543 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
3544 	blobid = g_blobid;
3545 
3546 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
3547 	poll_threads();
3548 	CU_ASSERT(g_bserrno == 0);
3549 	CU_ASSERT(g_blob != NULL);
3550 	blob = g_blob;
3551 
3552 	spdk_blob_close(blob, blob_op_complete, NULL);
3553 	poll_threads();
3554 	CU_ASSERT(g_bserrno == 0);
3555 
3556 	page_num = _spdk_bs_blobid_to_page(blobid);
3557 	index = DEV_BUFFER_BLOCKLEN * (bs->md_start + page_num);
3558 	page = (struct spdk_blob_md_page *)&g_dev_buffer[index];
3559 	page->crc = 0;
3560 
3561 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
3562 	poll_threads();
3563 	CU_ASSERT(g_bserrno == -EINVAL);
3564 	CU_ASSERT(g_blob == NULL);
3565 	g_bserrno = 0;
3566 
3567 	spdk_bs_delete_blob(bs, blobid, blob_op_complete, NULL);
3568 	poll_threads();
3569 	CU_ASSERT(g_bserrno == -EINVAL);
3570 
3571 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
3572 	poll_threads();
3573 	CU_ASSERT(g_bserrno == 0);
3574 	g_bs = NULL;
3575 }
3576 
3577 static void
3578 super_block_crc(void)
3579 {
3580 	struct spdk_bs_dev *dev;
3581 	struct spdk_bs_super_block *super_block;
3582 	struct spdk_bs_opts opts;
3583 
3584 	dev = init_dev();
3585 	spdk_bs_opts_init(&opts);
3586 
3587 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
3588 	poll_threads();
3589 	CU_ASSERT(g_bserrno == 0);
3590 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
3591 
3592 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
3593 	poll_threads();
3594 	CU_ASSERT(g_bserrno == 0);
3595 	g_bs = NULL;
3596 
3597 	super_block = (struct spdk_bs_super_block *)g_dev_buffer;
3598 	super_block->crc = 0;
3599 	dev = init_dev();
3600 
3601 	/* Load an existing blob store */
3602 	g_bserrno = 0;
3603 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
3604 	poll_threads();
3605 	CU_ASSERT(g_bserrno == -EILSEQ);
3606 }
3607 
3608 /* For blob dirty shutdown test case we do the following sub-test cases:
3609  * 1 Initialize new blob store and create 1 super blob with some xattrs, then we
3610  *   dirty shutdown and reload the blob store and verify the xattrs.
3611  * 2 Resize the blob from 10 clusters to 20 clusters and then dirty shutdown,
3612  *   reload the blob store and verify the clusters number.
3613  * 3 Create the second blob and then dirty shutdown, reload the blob store
3614  *   and verify the second blob.
3615  * 4 Delete the second blob and then dirty shutdown, reload the blob store
3616  *   and verify the second blob is invalid.
3617  * 5 Create the second blob again and also create the third blob, modify the
3618  *   md of second blob which makes the md invalid, and then dirty shutdown,
3619  *   reload the blob store verify the second blob, it should invalid and also
3620  *   verify the third blob, it should correct.
3621  */
3622 static void
3623 blob_dirty_shutdown(void)
3624 {
3625 	int rc;
3626 	int index;
3627 	struct spdk_bs_dev *dev;
3628 	spdk_blob_id blobid1, blobid2, blobid3;
3629 	struct spdk_blob *blob;
3630 	uint64_t length;
3631 	uint64_t free_clusters;
3632 	const void *value;
3633 	size_t value_len;
3634 	uint32_t page_num;
3635 	struct spdk_blob_md_page *page;
3636 	struct spdk_bs_opts opts;
3637 
3638 	dev = init_dev();
3639 	spdk_bs_opts_init(&opts);
3640 	/* Initialize a new blob store */
3641 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
3642 	poll_threads();
3643 	CU_ASSERT(g_bserrno == 0);
3644 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
3645 
3646 	/* Create first blob */
3647 	spdk_bs_create_blob(g_bs, blob_op_with_id_complete, NULL);
3648 	poll_threads();
3649 	CU_ASSERT(g_bserrno == 0);
3650 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
3651 	blobid1 = g_blobid;
3652 
3653 	spdk_bs_open_blob(g_bs, blobid1, blob_op_with_handle_complete, NULL);
3654 	poll_threads();
3655 	CU_ASSERT(g_bserrno == 0);
3656 	CU_ASSERT(g_blob != NULL);
3657 	blob = g_blob;
3658 
3659 	/* Set some xattrs */
3660 	rc = spdk_blob_set_xattr(blob, "name", "log.txt", strlen("log.txt") + 1);
3661 	CU_ASSERT(rc == 0);
3662 
3663 	length = 2345;
3664 	rc = spdk_blob_set_xattr(blob, "length", &length, sizeof(length));
3665 	CU_ASSERT(rc == 0);
3666 
3667 	/* Put xattr that fits exactly single page.
3668 	 * This results in adding additional pages to MD.
3669 	 * First is flags and smaller xattr, second the large xattr,
3670 	 * third are just the extents.
3671 	 */
3672 	size_t xattr_length = 4072 - sizeof(struct spdk_blob_md_descriptor_xattr) -
3673 			      strlen("large_xattr");
3674 	char *xattr = calloc(xattr_length, sizeof(char));
3675 	SPDK_CU_ASSERT_FATAL(xattr != NULL);
3676 	rc = spdk_blob_set_xattr(blob, "large_xattr", xattr, xattr_length);
3677 	free(xattr);
3678 	SPDK_CU_ASSERT_FATAL(rc == 0);
3679 
3680 	/* Resize the blob */
3681 	spdk_blob_resize(blob, 10, blob_op_complete, NULL);
3682 	poll_threads();
3683 	CU_ASSERT(g_bserrno == 0);
3684 
3685 	/* Set the blob as the super blob */
3686 	spdk_bs_set_super(g_bs, blobid1, blob_op_complete, NULL);
3687 	poll_threads();
3688 	CU_ASSERT(g_bserrno == 0);
3689 
3690 	free_clusters = spdk_bs_free_cluster_count(g_bs);
3691 
3692 	spdk_blob_close(blob, blob_op_complete, NULL);
3693 	poll_threads();
3694 	CU_ASSERT(g_bserrno == 0);
3695 	blob = NULL;
3696 	g_blob = NULL;
3697 	g_blobid = SPDK_BLOBID_INVALID;
3698 
3699 	/* Dirty shutdown */
3700 	_spdk_bs_free(g_bs);
3701 
3702 	/* reload blobstore */
3703 	dev = init_dev();
3704 	spdk_bs_opts_init(&opts);
3705 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
3706 	poll_threads();
3707 	CU_ASSERT(g_bserrno == 0);
3708 
3709 	/* Get the super blob */
3710 	spdk_bs_get_super(g_bs, blob_op_with_id_complete, NULL);
3711 	poll_threads();
3712 	CU_ASSERT(g_bserrno == 0);
3713 	CU_ASSERT(blobid1 == g_blobid);
3714 
3715 	spdk_bs_open_blob(g_bs, blobid1, blob_op_with_handle_complete, NULL);
3716 	poll_threads();
3717 	CU_ASSERT(g_bserrno == 0);
3718 	CU_ASSERT(g_blob != NULL);
3719 	blob = g_blob;
3720 
3721 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(g_bs));
3722 
3723 	/* Get the xattrs */
3724 	value = NULL;
3725 	rc = spdk_blob_get_xattr_value(blob, "length", &value, &value_len);
3726 	CU_ASSERT(rc == 0);
3727 	SPDK_CU_ASSERT_FATAL(value != NULL);
3728 	CU_ASSERT(*(uint64_t *)value == length);
3729 	CU_ASSERT(value_len == 8);
3730 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 10);
3731 
3732 	/* Resize the blob */
3733 	spdk_blob_resize(blob, 20, blob_op_complete, NULL);
3734 	poll_threads();
3735 	CU_ASSERT(g_bserrno == 0);
3736 
3737 	free_clusters = spdk_bs_free_cluster_count(g_bs);
3738 
3739 	spdk_blob_close(blob, blob_op_complete, NULL);
3740 	poll_threads();
3741 	CU_ASSERT(g_bserrno == 0);
3742 	blob = NULL;
3743 	g_blob = NULL;
3744 	g_blobid = SPDK_BLOBID_INVALID;
3745 
3746 	/* Dirty shutdown */
3747 	_spdk_bs_free(g_bs);
3748 
3749 	/* reload the blobstore */
3750 	dev = init_dev();
3751 	spdk_bs_opts_init(&opts);
3752 	/* Load an existing blob store */
3753 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
3754 	poll_threads();
3755 	CU_ASSERT(g_bserrno == 0);
3756 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
3757 	spdk_bs_open_blob(g_bs, blobid1, blob_op_with_handle_complete, NULL);
3758 	poll_threads();
3759 	CU_ASSERT(g_bserrno == 0);
3760 	CU_ASSERT(g_blob != NULL);
3761 	blob = g_blob;
3762 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 20);
3763 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(g_bs));
3764 
3765 	spdk_blob_close(blob, blob_op_complete, NULL);
3766 	poll_threads();
3767 	CU_ASSERT(g_bserrno == 0);
3768 	blob = NULL;
3769 	g_blob = NULL;
3770 	g_blobid = SPDK_BLOBID_INVALID;
3771 
3772 	/* Create second blob */
3773 	spdk_bs_create_blob(g_bs, blob_op_with_id_complete, NULL);
3774 	poll_threads();
3775 	CU_ASSERT(g_bserrno == 0);
3776 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
3777 	blobid2 = g_blobid;
3778 
3779 	spdk_bs_open_blob(g_bs, blobid2, blob_op_with_handle_complete, NULL);
3780 	poll_threads();
3781 	CU_ASSERT(g_bserrno == 0);
3782 	CU_ASSERT(g_blob != NULL);
3783 	blob = g_blob;
3784 
3785 	/* Set some xattrs */
3786 	rc = spdk_blob_set_xattr(blob, "name", "log1.txt", strlen("log1.txt") + 1);
3787 	CU_ASSERT(rc == 0);
3788 
3789 	length = 5432;
3790 	rc = spdk_blob_set_xattr(blob, "length", &length, sizeof(length));
3791 	CU_ASSERT(rc == 0);
3792 
3793 	/* Resize the blob */
3794 	spdk_blob_resize(blob, 10, blob_op_complete, NULL);
3795 	poll_threads();
3796 	CU_ASSERT(g_bserrno == 0);
3797 
3798 	free_clusters = spdk_bs_free_cluster_count(g_bs);
3799 
3800 	spdk_blob_close(blob, blob_op_complete, NULL);
3801 	poll_threads();
3802 	CU_ASSERT(g_bserrno == 0);
3803 	blob = NULL;
3804 	g_blob = NULL;
3805 	g_blobid = SPDK_BLOBID_INVALID;
3806 
3807 	/* Dirty shutdown */
3808 	_spdk_bs_free(g_bs);
3809 
3810 	/* reload the blobstore */
3811 	dev = init_dev();
3812 	spdk_bs_opts_init(&opts);
3813 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
3814 	poll_threads();
3815 	CU_ASSERT(g_bserrno == 0);
3816 
3817 	spdk_bs_open_blob(g_bs, blobid2, blob_op_with_handle_complete, NULL);
3818 	poll_threads();
3819 	CU_ASSERT(g_bserrno == 0);
3820 	CU_ASSERT(g_blob != NULL);
3821 	blob = g_blob;
3822 
3823 	/* Get the xattrs */
3824 	value = NULL;
3825 	rc = spdk_blob_get_xattr_value(blob, "length", &value, &value_len);
3826 	CU_ASSERT(rc == 0);
3827 	SPDK_CU_ASSERT_FATAL(value != NULL);
3828 	CU_ASSERT(*(uint64_t *)value == length);
3829 	CU_ASSERT(value_len == 8);
3830 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 10);
3831 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(g_bs));
3832 
3833 	spdk_blob_close(blob, blob_op_complete, NULL);
3834 	poll_threads();
3835 	CU_ASSERT(g_bserrno == 0);
3836 	spdk_bs_delete_blob(g_bs, blobid2, blob_op_complete, NULL);
3837 	poll_threads();
3838 	CU_ASSERT(g_bserrno == 0);
3839 
3840 	free_clusters = spdk_bs_free_cluster_count(g_bs);
3841 
3842 	/* Dirty shutdown */
3843 	_spdk_bs_free(g_bs);
3844 	/* reload the blobstore */
3845 	dev = init_dev();
3846 	spdk_bs_opts_init(&opts);
3847 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
3848 	poll_threads();
3849 	CU_ASSERT(g_bserrno == 0);
3850 
3851 	spdk_bs_open_blob(g_bs, blobid2, blob_op_with_handle_complete, NULL);
3852 	poll_threads();
3853 	CU_ASSERT(g_bserrno != 0);
3854 	CU_ASSERT(g_blob == NULL);
3855 
3856 	spdk_bs_open_blob(g_bs, blobid1, blob_op_with_handle_complete, NULL);
3857 	poll_threads();
3858 	CU_ASSERT(g_bserrno == 0);
3859 	CU_ASSERT(g_blob != NULL);
3860 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(g_bs));
3861 	spdk_blob_close(g_blob, blob_op_complete, NULL);
3862 	poll_threads();
3863 	CU_ASSERT(g_bserrno == 0);
3864 
3865 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
3866 	poll_threads();
3867 	CU_ASSERT(g_bserrno == 0);
3868 	g_bs = NULL;
3869 
3870 	/* reload the blobstore */
3871 	dev = init_dev();
3872 	spdk_bs_opts_init(&opts);
3873 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
3874 	poll_threads();
3875 	CU_ASSERT(g_bserrno == 0);
3876 
3877 	/* Create second blob */
3878 	spdk_bs_create_blob(g_bs, blob_op_with_id_complete, NULL);
3879 	poll_threads();
3880 	CU_ASSERT(g_bserrno == 0);
3881 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
3882 	blobid2 = g_blobid;
3883 
3884 	/* Create third blob */
3885 	spdk_bs_create_blob(g_bs, blob_op_with_id_complete, NULL);
3886 	poll_threads();
3887 	CU_ASSERT(g_bserrno == 0);
3888 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
3889 	blobid3 = g_blobid;
3890 
3891 	spdk_bs_open_blob(g_bs, blobid2, blob_op_with_handle_complete, NULL);
3892 	poll_threads();
3893 	CU_ASSERT(g_bserrno == 0);
3894 	CU_ASSERT(g_blob != NULL);
3895 	blob = g_blob;
3896 
3897 	/* Set some xattrs for second blob */
3898 	rc = spdk_blob_set_xattr(blob, "name", "log1.txt", strlen("log1.txt") + 1);
3899 	CU_ASSERT(rc == 0);
3900 
3901 	length = 5432;
3902 	rc = spdk_blob_set_xattr(blob, "length", &length, sizeof(length));
3903 	CU_ASSERT(rc == 0);
3904 
3905 	spdk_blob_close(blob, blob_op_complete, NULL);
3906 	poll_threads();
3907 	CU_ASSERT(g_bserrno == 0);
3908 	blob = NULL;
3909 	g_blob = NULL;
3910 	g_blobid = SPDK_BLOBID_INVALID;
3911 
3912 	spdk_bs_open_blob(g_bs, blobid3, blob_op_with_handle_complete, NULL);
3913 	poll_threads();
3914 	CU_ASSERT(g_bserrno == 0);
3915 	CU_ASSERT(g_blob != NULL);
3916 	blob = g_blob;
3917 
3918 	/* Set some xattrs for third blob */
3919 	rc = spdk_blob_set_xattr(blob, "name", "log2.txt", strlen("log2.txt") + 1);
3920 	CU_ASSERT(rc == 0);
3921 
3922 	length = 5432;
3923 	rc = spdk_blob_set_xattr(blob, "length", &length, sizeof(length));
3924 	CU_ASSERT(rc == 0);
3925 
3926 	spdk_blob_close(blob, blob_op_complete, NULL);
3927 	poll_threads();
3928 	CU_ASSERT(g_bserrno == 0);
3929 	blob = NULL;
3930 	g_blob = NULL;
3931 	g_blobid = SPDK_BLOBID_INVALID;
3932 
3933 	/* Mark second blob as invalid */
3934 	page_num = _spdk_bs_blobid_to_page(blobid2);
3935 
3936 	index = DEV_BUFFER_BLOCKLEN * (g_bs->md_start + page_num);
3937 	page = (struct spdk_blob_md_page *)&g_dev_buffer[index];
3938 	page->sequence_num = 1;
3939 	page->crc = _spdk_blob_md_page_calc_crc(page);
3940 
3941 	free_clusters = spdk_bs_free_cluster_count(g_bs);
3942 
3943 	/* Dirty shutdown */
3944 	_spdk_bs_free(g_bs);
3945 	/* reload the blobstore */
3946 	dev = init_dev();
3947 	spdk_bs_opts_init(&opts);
3948 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
3949 	poll_threads();
3950 	CU_ASSERT(g_bserrno == 0);
3951 
3952 	spdk_bs_open_blob(g_bs, blobid2, blob_op_with_handle_complete, NULL);
3953 	poll_threads();
3954 	CU_ASSERT(g_bserrno != 0);
3955 	CU_ASSERT(g_blob == NULL);
3956 
3957 	spdk_bs_open_blob(g_bs, blobid3, blob_op_with_handle_complete, NULL);
3958 	poll_threads();
3959 	CU_ASSERT(g_bserrno == 0);
3960 	CU_ASSERT(g_blob != NULL);
3961 	blob = g_blob;
3962 
3963 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(g_bs));
3964 
3965 	spdk_blob_close(blob, blob_op_complete, NULL);
3966 	poll_threads();
3967 	CU_ASSERT(g_bserrno == 0);
3968 	blob = NULL;
3969 	g_blob = NULL;
3970 	g_blobid = SPDK_BLOBID_INVALID;
3971 
3972 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
3973 	poll_threads();
3974 	CU_ASSERT(g_bserrno == 0);
3975 	g_bs = NULL;
3976 }
3977 
3978 static void
3979 blob_flags(void)
3980 {
3981 	struct spdk_bs_dev *dev;
3982 	spdk_blob_id blobid_invalid, blobid_data_ro, blobid_md_ro;
3983 	struct spdk_blob *blob_invalid, *blob_data_ro, *blob_md_ro;
3984 	struct spdk_bs_opts opts;
3985 	int rc;
3986 
3987 	dev = init_dev();
3988 	spdk_bs_opts_init(&opts);
3989 
3990 	/* Initialize a new blob store */
3991 	spdk_bs_init(dev, &opts, bs_op_with_handle_complete, NULL);
3992 	poll_threads();
3993 	CU_ASSERT(g_bserrno == 0);
3994 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
3995 
3996 	/* Create three blobs - one each for testing invalid, data_ro and md_ro flags. */
3997 	spdk_bs_create_blob(g_bs, blob_op_with_id_complete, NULL);
3998 	poll_threads();
3999 	CU_ASSERT(g_bserrno == 0);
4000 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
4001 	blobid_invalid = g_blobid;
4002 
4003 	spdk_bs_create_blob(g_bs, blob_op_with_id_complete, NULL);
4004 	poll_threads();
4005 	CU_ASSERT(g_bserrno == 0);
4006 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
4007 	blobid_data_ro = g_blobid;
4008 
4009 	spdk_bs_create_blob(g_bs, blob_op_with_id_complete, NULL);
4010 	poll_threads();
4011 	CU_ASSERT(g_bserrno == 0);
4012 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
4013 	blobid_md_ro = g_blobid;
4014 
4015 	spdk_bs_open_blob(g_bs, blobid_invalid, blob_op_with_handle_complete, NULL);
4016 	poll_threads();
4017 	CU_ASSERT(g_bserrno == 0);
4018 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
4019 	blob_invalid = g_blob;
4020 
4021 	spdk_bs_open_blob(g_bs, blobid_data_ro, blob_op_with_handle_complete, NULL);
4022 	poll_threads();
4023 	CU_ASSERT(g_bserrno == 0);
4024 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
4025 	blob_data_ro = g_blob;
4026 
4027 	spdk_bs_open_blob(g_bs, blobid_md_ro, blob_op_with_handle_complete, NULL);
4028 	poll_threads();
4029 	CU_ASSERT(g_bserrno == 0);
4030 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
4031 	blob_md_ro = g_blob;
4032 
4033 	/* Change the size of blob_data_ro to check if flags are serialized
4034 	 * when blob has non zero number of extents */
4035 	spdk_blob_resize(blob_data_ro, 10, blob_op_complete, NULL);
4036 	poll_threads();
4037 	CU_ASSERT(g_bserrno == 0);
4038 
4039 	/* Set the xattr to check if flags are serialized
4040 	 * when blob has non zero number of xattrs */
4041 	rc = spdk_blob_set_xattr(blob_md_ro, "name", "log.txt", strlen("log.txt") + 1);
4042 	CU_ASSERT(rc == 0);
4043 
4044 	blob_invalid->invalid_flags = (1ULL << 63);
4045 	blob_invalid->state = SPDK_BLOB_STATE_DIRTY;
4046 	blob_data_ro->data_ro_flags = (1ULL << 62);
4047 	blob_data_ro->state = SPDK_BLOB_STATE_DIRTY;
4048 	blob_md_ro->md_ro_flags = (1ULL << 61);
4049 	blob_md_ro->state = SPDK_BLOB_STATE_DIRTY;
4050 
4051 	g_bserrno = -1;
4052 	spdk_blob_sync_md(blob_invalid, blob_op_complete, NULL);
4053 	poll_threads();
4054 	CU_ASSERT(g_bserrno == 0);
4055 	g_bserrno = -1;
4056 	spdk_blob_sync_md(blob_data_ro, blob_op_complete, NULL);
4057 	poll_threads();
4058 	CU_ASSERT(g_bserrno == 0);
4059 	g_bserrno = -1;
4060 	spdk_blob_sync_md(blob_md_ro, blob_op_complete, NULL);
4061 	poll_threads();
4062 	CU_ASSERT(g_bserrno == 0);
4063 
4064 	g_bserrno = -1;
4065 	spdk_blob_close(blob_invalid, blob_op_complete, NULL);
4066 	poll_threads();
4067 	CU_ASSERT(g_bserrno == 0);
4068 	blob_invalid = NULL;
4069 	g_bserrno = -1;
4070 	spdk_blob_close(blob_data_ro, blob_op_complete, NULL);
4071 	poll_threads();
4072 	CU_ASSERT(g_bserrno == 0);
4073 	blob_data_ro = NULL;
4074 	g_bserrno = -1;
4075 	spdk_blob_close(blob_md_ro, blob_op_complete, NULL);
4076 	poll_threads();
4077 	CU_ASSERT(g_bserrno == 0);
4078 	blob_md_ro = NULL;
4079 
4080 	g_blob = NULL;
4081 	g_blobid = SPDK_BLOBID_INVALID;
4082 
4083 	/* Unload the blob store */
4084 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
4085 	poll_threads();
4086 	CU_ASSERT(g_bserrno == 0);
4087 	g_bs = NULL;
4088 
4089 	/* Load an existing blob store */
4090 	dev = init_dev();
4091 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
4092 	poll_threads();
4093 	CU_ASSERT(g_bserrno == 0);
4094 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
4095 
4096 	g_blob = NULL;
4097 	g_bserrno = 0;
4098 	spdk_bs_open_blob(g_bs, blobid_invalid, blob_op_with_handle_complete, NULL);
4099 	poll_threads();
4100 	CU_ASSERT(g_bserrno != 0);
4101 	CU_ASSERT(g_blob == NULL);
4102 
4103 	g_blob = NULL;
4104 	g_bserrno = -1;
4105 	spdk_bs_open_blob(g_bs, blobid_data_ro, blob_op_with_handle_complete, NULL);
4106 	poll_threads();
4107 	CU_ASSERT(g_bserrno == 0);
4108 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
4109 	blob_data_ro = g_blob;
4110 	/* If an unknown data_ro flag was found, the blob should be marked both data and md read-only. */
4111 	CU_ASSERT(blob_data_ro->data_ro == true);
4112 	CU_ASSERT(blob_data_ro->md_ro == true);
4113 	CU_ASSERT(spdk_blob_get_num_clusters(blob_data_ro) == 10);
4114 
4115 	g_blob = NULL;
4116 	g_bserrno = -1;
4117 	spdk_bs_open_blob(g_bs, blobid_md_ro, blob_op_with_handle_complete, NULL);
4118 	poll_threads();
4119 	CU_ASSERT(g_bserrno == 0);
4120 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
4121 	blob_md_ro = g_blob;
4122 	CU_ASSERT(blob_md_ro->data_ro == false);
4123 	CU_ASSERT(blob_md_ro->md_ro == true);
4124 
4125 	g_bserrno = -1;
4126 	spdk_blob_sync_md(blob_md_ro, blob_op_complete, NULL);
4127 	poll_threads();
4128 	CU_ASSERT(g_bserrno == 0);
4129 
4130 	spdk_blob_close(blob_data_ro, blob_op_complete, NULL);
4131 	poll_threads();
4132 	CU_ASSERT(g_bserrno == 0);
4133 	spdk_blob_close(blob_md_ro, blob_op_complete, NULL);
4134 	poll_threads();
4135 	CU_ASSERT(g_bserrno == 0);
4136 
4137 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
4138 	poll_threads();
4139 	CU_ASSERT(g_bserrno == 0);
4140 }
4141 
4142 static void
4143 bs_version(void)
4144 {
4145 	struct spdk_bs_super_block *super;
4146 	struct spdk_bs_dev *dev;
4147 	struct spdk_bs_opts opts;
4148 	spdk_blob_id blobid;
4149 
4150 	dev = init_dev();
4151 	spdk_bs_opts_init(&opts);
4152 
4153 	/* Initialize a new blob store */
4154 	spdk_bs_init(dev, &opts, bs_op_with_handle_complete, NULL);
4155 	poll_threads();
4156 	CU_ASSERT(g_bserrno == 0);
4157 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
4158 
4159 	/* Unload the blob store */
4160 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
4161 	poll_threads();
4162 	CU_ASSERT(g_bserrno == 0);
4163 	g_bs = NULL;
4164 
4165 	/*
4166 	 * Change the bs version on disk.  This will allow us to
4167 	 *  test that the version does not get modified automatically
4168 	 *  when loading and unloading the blobstore.
4169 	 */
4170 	super = (struct spdk_bs_super_block *)&g_dev_buffer[0];
4171 	CU_ASSERT(super->version == SPDK_BS_VERSION);
4172 	CU_ASSERT(super->clean == 1);
4173 	super->version = 2;
4174 	/*
4175 	 * Version 2 metadata does not have a used blobid mask, so clear
4176 	 *  those fields in the super block and zero the corresponding
4177 	 *  region on "disk".  We will use this to ensure blob IDs are
4178 	 *  correctly reconstructed.
4179 	 */
4180 	memset(&g_dev_buffer[super->used_blobid_mask_start * SPDK_BS_PAGE_SIZE], 0,
4181 	       super->used_blobid_mask_len * SPDK_BS_PAGE_SIZE);
4182 	super->used_blobid_mask_start = 0;
4183 	super->used_blobid_mask_len = 0;
4184 	super->crc = _spdk_blob_md_page_calc_crc(super);
4185 
4186 	/* Load an existing blob store */
4187 	dev = init_dev();
4188 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
4189 	poll_threads();
4190 	CU_ASSERT(g_bserrno == 0);
4191 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
4192 	CU_ASSERT(super->clean == 1);
4193 
4194 	/*
4195 	 * Create a blob - just to make sure that when we unload it
4196 	 *  results in writing the super block (since metadata pages
4197 	 *  were allocated.
4198 	 */
4199 	spdk_bs_create_blob(g_bs, blob_op_with_id_complete, NULL);
4200 	poll_threads();
4201 	CU_ASSERT(g_bserrno == 0);
4202 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
4203 	blobid = g_blobid;
4204 
4205 	/* Unload the blob store */
4206 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
4207 	poll_threads();
4208 	CU_ASSERT(g_bserrno == 0);
4209 	g_bs = NULL;
4210 	CU_ASSERT(super->version == 2);
4211 	CU_ASSERT(super->used_blobid_mask_start == 0);
4212 	CU_ASSERT(super->used_blobid_mask_len == 0);
4213 
4214 	dev = init_dev();
4215 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
4216 	poll_threads();
4217 	CU_ASSERT(g_bserrno == 0);
4218 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
4219 
4220 	g_blob = NULL;
4221 	spdk_bs_open_blob(g_bs, blobid, blob_op_with_handle_complete, NULL);
4222 	poll_threads();
4223 	CU_ASSERT(g_bserrno == 0);
4224 	CU_ASSERT(g_blob != NULL);
4225 
4226 	spdk_blob_close(g_blob, blob_op_complete, NULL);
4227 	poll_threads();
4228 	CU_ASSERT(g_bserrno == 0);
4229 
4230 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
4231 	poll_threads();
4232 	CU_ASSERT(g_bserrno == 0);
4233 	g_bs = NULL;
4234 	CU_ASSERT(super->version == 2);
4235 	CU_ASSERT(super->used_blobid_mask_start == 0);
4236 	CU_ASSERT(super->used_blobid_mask_len == 0);
4237 }
4238 
4239 static void
4240 blob_set_xattrs(void)
4241 {
4242 	struct spdk_blob_store *bs;
4243 	struct spdk_bs_dev *dev;
4244 	struct spdk_blob *blob;
4245 	struct spdk_blob_opts opts;
4246 	spdk_blob_id blobid;
4247 	const void *value;
4248 	size_t value_len;
4249 	char *xattr;
4250 	size_t xattr_length;
4251 	int rc;
4252 
4253 	dev = init_dev();
4254 
4255 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
4256 	poll_threads();
4257 	CU_ASSERT(g_bserrno == 0);
4258 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
4259 	bs = g_bs;
4260 
4261 	/* Create blob with extra attributes */
4262 	spdk_blob_opts_init(&opts);
4263 
4264 	opts.xattrs.names = g_xattr_names;
4265 	opts.xattrs.get_value = _get_xattr_value;
4266 	opts.xattrs.count = 3;
4267 	opts.xattrs.ctx = &g_ctx;
4268 
4269 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
4270 	poll_threads();
4271 	CU_ASSERT(g_bserrno == 0);
4272 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
4273 	blobid = g_blobid;
4274 
4275 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
4276 	poll_threads();
4277 	CU_ASSERT(g_bserrno == 0);
4278 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
4279 	blob = g_blob;
4280 
4281 	/* Get the xattrs */
4282 	value = NULL;
4283 
4284 	rc = spdk_blob_get_xattr_value(blob, g_xattr_names[0], &value, &value_len);
4285 	CU_ASSERT(rc == 0);
4286 	SPDK_CU_ASSERT_FATAL(value != NULL);
4287 	CU_ASSERT(value_len == strlen(g_xattr_values[0]));
4288 	CU_ASSERT_NSTRING_EQUAL_FATAL(value, g_xattr_values[0], value_len);
4289 
4290 	rc = spdk_blob_get_xattr_value(blob, g_xattr_names[1], &value, &value_len);
4291 	CU_ASSERT(rc == 0);
4292 	SPDK_CU_ASSERT_FATAL(value != NULL);
4293 	CU_ASSERT(value_len == strlen(g_xattr_values[1]));
4294 	CU_ASSERT_NSTRING_EQUAL((char *)value, g_xattr_values[1], value_len);
4295 
4296 	rc = spdk_blob_get_xattr_value(blob, g_xattr_names[2], &value, &value_len);
4297 	CU_ASSERT(rc == 0);
4298 	SPDK_CU_ASSERT_FATAL(value != NULL);
4299 	CU_ASSERT(value_len == strlen(g_xattr_values[2]));
4300 	CU_ASSERT_NSTRING_EQUAL((char *)value, g_xattr_values[2], value_len);
4301 
4302 	/* Try to get non existing attribute */
4303 
4304 	rc = spdk_blob_get_xattr_value(blob, "foobar", &value, &value_len);
4305 	CU_ASSERT(rc == -ENOENT);
4306 
4307 	/* Try xattr exceeding maximum length of descriptor in single page */
4308 	xattr_length = SPDK_BS_MAX_DESC_SIZE - sizeof(struct spdk_blob_md_descriptor_xattr) -
4309 		       strlen("large_xattr") + 1;
4310 	xattr = calloc(xattr_length, sizeof(char));
4311 	SPDK_CU_ASSERT_FATAL(xattr != NULL);
4312 	rc = spdk_blob_set_xattr(blob, "large_xattr", xattr, xattr_length);
4313 	free(xattr);
4314 	SPDK_CU_ASSERT_FATAL(rc == -ENOMEM);
4315 
4316 	spdk_blob_close(blob, blob_op_complete, NULL);
4317 	poll_threads();
4318 	CU_ASSERT(g_bserrno == 0);
4319 	blob = NULL;
4320 	g_blob = NULL;
4321 	g_blobid = SPDK_BLOBID_INVALID;
4322 
4323 	/* NULL callback */
4324 	spdk_blob_opts_init(&opts);
4325 	opts.xattrs.names = g_xattr_names;
4326 	opts.xattrs.get_value = NULL;
4327 	opts.xattrs.count = 1;
4328 	opts.xattrs.ctx = &g_ctx;
4329 
4330 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
4331 	poll_threads();
4332 	CU_ASSERT(g_bserrno == -EINVAL);
4333 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
4334 
4335 	/* NULL values */
4336 	spdk_blob_opts_init(&opts);
4337 	opts.xattrs.names = g_xattr_names;
4338 	opts.xattrs.get_value = _get_xattr_value_null;
4339 	opts.xattrs.count = 1;
4340 	opts.xattrs.ctx = NULL;
4341 
4342 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
4343 	poll_threads();
4344 	CU_ASSERT(g_bserrno == -EINVAL);
4345 
4346 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
4347 	poll_threads();
4348 	CU_ASSERT(g_bserrno == 0);
4349 	g_bs = NULL;
4350 
4351 }
4352 
4353 static void
4354 blob_thin_prov_alloc(void)
4355 {
4356 	struct spdk_blob_store *bs;
4357 	struct spdk_bs_dev *dev;
4358 	struct spdk_blob *blob;
4359 	struct spdk_blob_opts opts;
4360 	spdk_blob_id blobid;
4361 	uint64_t free_clusters;
4362 
4363 	dev = init_dev();
4364 
4365 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
4366 	poll_threads();
4367 	CU_ASSERT(g_bserrno == 0);
4368 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
4369 	bs = g_bs;
4370 	free_clusters = spdk_bs_free_cluster_count(bs);
4371 
4372 	/* Set blob as thin provisioned */
4373 	spdk_blob_opts_init(&opts);
4374 	opts.thin_provision = true;
4375 
4376 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
4377 	poll_threads();
4378 	CU_ASSERT(g_bserrno == 0);
4379 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
4380 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
4381 	blobid = g_blobid;
4382 
4383 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
4384 	poll_threads();
4385 	CU_ASSERT(g_bserrno == 0);
4386 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
4387 	blob = g_blob;
4388 
4389 	CU_ASSERT(blob->active.num_clusters == 0);
4390 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 0);
4391 
4392 	/* The blob started at 0 clusters. Resize it to be 5, but still unallocated. */
4393 	spdk_blob_resize(blob, 5, blob_op_complete, NULL);
4394 	poll_threads();
4395 	CU_ASSERT(g_bserrno == 0);
4396 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
4397 	CU_ASSERT(blob->active.num_clusters == 5);
4398 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 5);
4399 
4400 	/* Grow it to 1TB - still unallocated */
4401 	spdk_blob_resize(blob, 262144, blob_op_complete, NULL);
4402 	poll_threads();
4403 	CU_ASSERT(g_bserrno == 0);
4404 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
4405 	CU_ASSERT(blob->active.num_clusters == 262144);
4406 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 262144);
4407 
4408 	spdk_blob_sync_md(blob, blob_op_complete, NULL);
4409 	poll_threads();
4410 	CU_ASSERT(g_bserrno == 0);
4411 	/* Sync must not change anything */
4412 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
4413 	CU_ASSERT(blob->active.num_clusters == 262144);
4414 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 262144);
4415 	/* Since clusters are not allocated,
4416 	 * number of metadata pages is expected to be minimal.
4417 	 */
4418 	CU_ASSERT(blob->active.num_pages == 1);
4419 
4420 	/* Shrink the blob to 3 clusters - still unallocated */
4421 	spdk_blob_resize(blob, 3, blob_op_complete, NULL);
4422 	poll_threads();
4423 	CU_ASSERT(g_bserrno == 0);
4424 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
4425 	CU_ASSERT(blob->active.num_clusters == 3);
4426 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 3);
4427 
4428 	spdk_blob_sync_md(blob, blob_op_complete, NULL);
4429 	poll_threads();
4430 	CU_ASSERT(g_bserrno == 0);
4431 	/* Sync must not change anything */
4432 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
4433 	CU_ASSERT(blob->active.num_clusters == 3);
4434 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 3);
4435 
4436 	spdk_blob_close(blob, blob_op_complete, NULL);
4437 	poll_threads();
4438 	CU_ASSERT(g_bserrno == 0);
4439 
4440 	/* Unload the blob store */
4441 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
4442 	poll_threads();
4443 	CU_ASSERT(g_bserrno == 0);
4444 	g_bs = NULL;
4445 	g_blob = NULL;
4446 	g_blobid = 0;
4447 
4448 	/* Load an existing blob store */
4449 	dev = init_dev();
4450 	spdk_bs_load(dev, NULL, bs_op_with_handle_complete, NULL);
4451 	poll_threads();
4452 	CU_ASSERT(g_bserrno == 0);
4453 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
4454 
4455 	bs = g_bs;
4456 
4457 	spdk_bs_open_blob(g_bs, blobid, blob_op_with_handle_complete, NULL);
4458 	poll_threads();
4459 	CU_ASSERT(g_bserrno == 0);
4460 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
4461 	blob = g_blob;
4462 
4463 	/* Check that clusters allocation and size is still the same */
4464 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
4465 	CU_ASSERT(blob->active.num_clusters == 3);
4466 
4467 	spdk_blob_close(blob, blob_op_complete, NULL);
4468 	poll_threads();
4469 	CU_ASSERT(g_bserrno == 0);
4470 
4471 	spdk_bs_delete_blob(bs, blobid, blob_op_complete, NULL);
4472 	poll_threads();
4473 	CU_ASSERT(g_bserrno == 0);
4474 
4475 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
4476 	poll_threads();
4477 	CU_ASSERT(g_bserrno == 0);
4478 	g_bs = NULL;
4479 }
4480 
4481 static void
4482 blob_insert_cluster_msg(void)
4483 {
4484 	struct spdk_blob_store *bs;
4485 	struct spdk_bs_dev *dev;
4486 	struct spdk_blob *blob;
4487 	struct spdk_blob_opts opts;
4488 	spdk_blob_id blobid;
4489 	uint64_t free_clusters;
4490 
4491 	dev = init_dev();
4492 
4493 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
4494 	poll_threads();
4495 	CU_ASSERT(g_bserrno == 0);
4496 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
4497 	bs = g_bs;
4498 	free_clusters = spdk_bs_free_cluster_count(bs);
4499 
4500 	/* Set blob as thin provisioned */
4501 	spdk_blob_opts_init(&opts);
4502 	opts.thin_provision = true;
4503 	opts.num_clusters = 4;
4504 
4505 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
4506 	poll_threads();
4507 	CU_ASSERT(g_bserrno == 0);
4508 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
4509 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
4510 	blobid = g_blobid;
4511 
4512 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
4513 	poll_threads();
4514 	CU_ASSERT(g_bserrno == 0);
4515 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
4516 	blob = g_blob;
4517 
4518 	CU_ASSERT(blob->active.num_clusters == 4);
4519 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 4);
4520 	CU_ASSERT(blob->active.clusters[1] == 0);
4521 
4522 	_spdk_bs_claim_cluster(bs, 0xF);
4523 	_spdk_blob_insert_cluster_on_md_thread(blob, 1, 0xF, blob_op_complete, NULL);
4524 	poll_threads();
4525 
4526 	CU_ASSERT(blob->active.clusters[1] != 0);
4527 
4528 	spdk_blob_close(blob, blob_op_complete, NULL);
4529 	poll_threads();
4530 	CU_ASSERT(g_bserrno == 0);
4531 
4532 	/* Unload the blob store */
4533 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
4534 	poll_threads();
4535 	CU_ASSERT(g_bserrno == 0);
4536 	g_bs = NULL;
4537 	g_blob = NULL;
4538 	g_blobid = 0;
4539 
4540 	/* Load an existing blob store */
4541 	dev = init_dev();
4542 	spdk_bs_load(dev, NULL, bs_op_with_handle_complete, NULL);
4543 	poll_threads();
4544 	CU_ASSERT(g_bserrno == 0);
4545 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
4546 
4547 	bs = g_bs;
4548 
4549 	spdk_bs_open_blob(g_bs, blobid, blob_op_with_handle_complete, NULL);
4550 	poll_threads();
4551 	CU_ASSERT(g_bserrno == 0);
4552 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
4553 	blob = g_blob;
4554 
4555 	CU_ASSERT(blob->active.clusters[1] != 0);
4556 
4557 	spdk_blob_close(blob, blob_op_complete, NULL);
4558 	poll_threads();
4559 	CU_ASSERT(g_bserrno == 0);
4560 
4561 	spdk_bs_delete_blob(bs, blobid, blob_op_complete, NULL);
4562 	poll_threads();
4563 	CU_ASSERT(g_bserrno == 0);
4564 
4565 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
4566 	poll_threads();
4567 	CU_ASSERT(g_bserrno == 0);
4568 	g_bs = NULL;
4569 }
4570 
4571 static void
4572 blob_thin_prov_rw(void)
4573 {
4574 	static const uint8_t zero[10 * 4096] = { 0 };
4575 	struct spdk_blob_store *bs;
4576 	struct spdk_bs_dev *dev;
4577 	struct spdk_blob *blob;
4578 	struct spdk_io_channel *channel, *channel_thread1;
4579 	struct spdk_blob_opts opts;
4580 	spdk_blob_id blobid;
4581 	uint64_t free_clusters;
4582 	uint64_t page_size;
4583 	uint8_t payload_read[10 * 4096];
4584 	uint8_t payload_write[10 * 4096];
4585 	uint64_t write_bytes;
4586 	uint64_t read_bytes;
4587 
4588 	dev = init_dev();
4589 
4590 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
4591 	poll_threads();
4592 	CU_ASSERT(g_bserrno == 0);
4593 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
4594 	bs = g_bs;
4595 	free_clusters = spdk_bs_free_cluster_count(bs);
4596 	page_size = spdk_bs_get_page_size(bs);
4597 
4598 	channel = spdk_bs_alloc_io_channel(bs);
4599 	CU_ASSERT(channel != NULL);
4600 
4601 	spdk_blob_opts_init(&opts);
4602 	opts.thin_provision = true;
4603 
4604 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
4605 	poll_threads();
4606 	CU_ASSERT(g_bserrno == 0);
4607 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
4608 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
4609 	blobid = g_blobid;
4610 
4611 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
4612 	poll_threads();
4613 	CU_ASSERT(g_bserrno == 0);
4614 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
4615 	blob = g_blob;
4616 
4617 	CU_ASSERT(blob->active.num_clusters == 0);
4618 
4619 	/* The blob started at 0 clusters. Resize it to be 5, but still unallocated. */
4620 	spdk_blob_resize(blob, 5, blob_op_complete, NULL);
4621 	poll_threads();
4622 	CU_ASSERT(g_bserrno == 0);
4623 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
4624 	CU_ASSERT(blob->active.num_clusters == 5);
4625 
4626 	spdk_blob_sync_md(blob, blob_op_complete, NULL);
4627 	poll_threads();
4628 	CU_ASSERT(g_bserrno == 0);
4629 	/* Sync must not change anything */
4630 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
4631 	CU_ASSERT(blob->active.num_clusters == 5);
4632 
4633 	/* Payload should be all zeros from unallocated clusters */
4634 	memset(payload_read, 0xFF, sizeof(payload_read));
4635 	spdk_blob_io_read(blob, channel, payload_read, 4, 10, blob_op_complete, NULL);
4636 	poll_threads();
4637 	CU_ASSERT(g_bserrno == 0);
4638 	CU_ASSERT(memcmp(zero, payload_read, 10 * 4096) == 0);
4639 
4640 	write_bytes = g_dev_write_bytes;
4641 	read_bytes = g_dev_read_bytes;
4642 
4643 	/* Perform write on thread 1. That will allocate cluster on thread 0 via send_msg */
4644 	set_thread(1);
4645 	channel_thread1 = spdk_bs_alloc_io_channel(bs);
4646 	CU_ASSERT(channel_thread1 != NULL);
4647 	memset(payload_write, 0xE5, sizeof(payload_write));
4648 	spdk_blob_io_write(blob, channel_thread1, payload_write, 4, 10, blob_op_complete, NULL);
4649 	CU_ASSERT(free_clusters - 1 == spdk_bs_free_cluster_count(bs));
4650 	/* Perform write on thread 0. That will try to allocate cluster,
4651 	 * but fail due to another thread issuing the cluster allocation first. */
4652 	set_thread(0);
4653 	memset(payload_write, 0xE5, sizeof(payload_write));
4654 	spdk_blob_io_write(blob, channel, payload_write, 4, 10, blob_op_complete, NULL);
4655 	CU_ASSERT(free_clusters - 2 == spdk_bs_free_cluster_count(bs));
4656 	poll_threads();
4657 	CU_ASSERT(g_bserrno == 0);
4658 	CU_ASSERT(free_clusters - 1 == spdk_bs_free_cluster_count(bs));
4659 	/* For thin-provisioned blob we need to write 20 pages plus one page metadata and
4660 	 * read 0 bytes */
4661 	CU_ASSERT(g_dev_write_bytes - write_bytes == page_size * 21);
4662 	CU_ASSERT(g_dev_read_bytes - read_bytes == 0);
4663 
4664 	spdk_blob_io_read(blob, channel, payload_read, 4, 10, blob_op_complete, NULL);
4665 	poll_threads();
4666 	CU_ASSERT(g_bserrno == 0);
4667 	CU_ASSERT(memcmp(payload_write, payload_read, 10 * 4096) == 0);
4668 
4669 	spdk_blob_close(blob, blob_op_complete, NULL);
4670 	poll_threads();
4671 	CU_ASSERT(g_bserrno == 0);
4672 
4673 	spdk_bs_delete_blob(bs, blobid, blob_op_complete, NULL);
4674 	poll_threads();
4675 	CU_ASSERT(g_bserrno == 0);
4676 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
4677 
4678 	spdk_bs_free_io_channel(channel_thread1);
4679 	spdk_bs_free_io_channel(channel);
4680 	poll_threads();
4681 
4682 	/* Unload the blob store */
4683 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
4684 	poll_threads();
4685 	CU_ASSERT(g_bserrno == 0);
4686 	g_bs = NULL;
4687 	g_blob = NULL;
4688 	g_blobid = 0;
4689 }
4690 
4691 static void
4692 blob_thin_prov_rw_iov(void)
4693 {
4694 	static const uint8_t zero[10 * 4096] = { 0 };
4695 	struct spdk_blob_store *bs;
4696 	struct spdk_bs_dev *dev;
4697 	struct spdk_blob *blob;
4698 	struct spdk_io_channel *channel;
4699 	struct spdk_blob_opts opts;
4700 	spdk_blob_id blobid;
4701 	uint64_t free_clusters;
4702 	uint8_t payload_read[10 * 4096];
4703 	uint8_t payload_write[10 * 4096];
4704 	struct iovec iov_read[3];
4705 	struct iovec iov_write[3];
4706 
4707 	dev = init_dev();
4708 
4709 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
4710 	poll_threads();
4711 	CU_ASSERT(g_bserrno == 0);
4712 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
4713 	bs = g_bs;
4714 	free_clusters = spdk_bs_free_cluster_count(bs);
4715 
4716 	channel = spdk_bs_alloc_io_channel(bs);
4717 	CU_ASSERT(channel != NULL);
4718 
4719 	spdk_blob_opts_init(&opts);
4720 	opts.thin_provision = true;
4721 
4722 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
4723 	poll_threads();
4724 	CU_ASSERT(g_bserrno == 0);
4725 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
4726 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
4727 	blobid = g_blobid;
4728 
4729 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
4730 	poll_threads();
4731 	CU_ASSERT(g_bserrno == 0);
4732 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
4733 	blob = g_blob;
4734 
4735 	CU_ASSERT(blob->active.num_clusters == 0);
4736 
4737 	/* The blob started at 0 clusters. Resize it to be 5, but still unallocated. */
4738 	spdk_blob_resize(blob, 5, blob_op_complete, NULL);
4739 	poll_threads();
4740 	CU_ASSERT(g_bserrno == 0);
4741 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
4742 	CU_ASSERT(blob->active.num_clusters == 5);
4743 
4744 	spdk_blob_sync_md(blob, blob_op_complete, NULL);
4745 	poll_threads();
4746 	CU_ASSERT(g_bserrno == 0);
4747 	/* Sync must not change anything */
4748 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
4749 	CU_ASSERT(blob->active.num_clusters == 5);
4750 
4751 	/* Payload should be all zeros from unallocated clusters */
4752 	memset(payload_read, 0xAA, sizeof(payload_read));
4753 	iov_read[0].iov_base = payload_read;
4754 	iov_read[0].iov_len = 3 * 4096;
4755 	iov_read[1].iov_base = payload_read + 3 * 4096;
4756 	iov_read[1].iov_len = 4 * 4096;
4757 	iov_read[2].iov_base = payload_read + 7 * 4096;
4758 	iov_read[2].iov_len = 3 * 4096;
4759 	spdk_blob_io_readv(blob, channel, iov_read, 3, 250, 10, blob_op_complete, NULL);
4760 	poll_threads();
4761 	CU_ASSERT(g_bserrno == 0);
4762 	CU_ASSERT(memcmp(zero, payload_read, 10 * 4096) == 0);
4763 
4764 	memset(payload_write, 0xE5, sizeof(payload_write));
4765 	iov_write[0].iov_base = payload_write;
4766 	iov_write[0].iov_len = 1 * 4096;
4767 	iov_write[1].iov_base = payload_write + 1 * 4096;
4768 	iov_write[1].iov_len = 5 * 4096;
4769 	iov_write[2].iov_base = payload_write + 6 * 4096;
4770 	iov_write[2].iov_len = 4 * 4096;
4771 
4772 	spdk_blob_io_writev(blob, channel, iov_write, 3, 250, 10, blob_op_complete, NULL);
4773 	poll_threads();
4774 	CU_ASSERT(g_bserrno == 0);
4775 
4776 	memset(payload_read, 0xAA, sizeof(payload_read));
4777 	iov_read[0].iov_base = payload_read;
4778 	iov_read[0].iov_len = 3 * 4096;
4779 	iov_read[1].iov_base = payload_read + 3 * 4096;
4780 	iov_read[1].iov_len = 4 * 4096;
4781 	iov_read[2].iov_base = payload_read + 7 * 4096;
4782 	iov_read[2].iov_len = 3 * 4096;
4783 	spdk_blob_io_readv(blob, channel, iov_read, 3, 250, 10, blob_op_complete, NULL);
4784 	poll_threads();
4785 	CU_ASSERT(g_bserrno == 0);
4786 	CU_ASSERT(memcmp(payload_write, payload_read, 10 * 4096) == 0);
4787 
4788 	spdk_blob_close(blob, blob_op_complete, NULL);
4789 	poll_threads();
4790 	CU_ASSERT(g_bserrno == 0);
4791 
4792 	spdk_bs_free_io_channel(channel);
4793 	poll_threads();
4794 
4795 	/* Unload the blob store */
4796 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
4797 	poll_threads();
4798 	CU_ASSERT(g_bserrno == 0);
4799 	g_bs = NULL;
4800 	g_blob = NULL;
4801 	g_blobid = 0;
4802 }
4803 
4804 struct iter_ctx {
4805 	int		current_iter;
4806 	spdk_blob_id	blobid[4];
4807 };
4808 
4809 static void
4810 test_iter(void *arg, struct spdk_blob *blob, int bserrno)
4811 {
4812 	struct iter_ctx *iter_ctx = arg;
4813 	spdk_blob_id blobid;
4814 
4815 	CU_ASSERT(bserrno == 0);
4816 	blobid = spdk_blob_get_id(blob);
4817 	CU_ASSERT(blobid == iter_ctx->blobid[iter_ctx->current_iter++]);
4818 }
4819 
4820 static void
4821 bs_load_iter(void)
4822 {
4823 	struct spdk_bs_dev *dev;
4824 	struct iter_ctx iter_ctx = { 0 };
4825 	struct spdk_blob *blob;
4826 	int i, rc;
4827 	struct spdk_bs_opts opts;
4828 
4829 	dev = init_dev();
4830 	spdk_bs_opts_init(&opts);
4831 	snprintf(opts.bstype.bstype, sizeof(opts.bstype.bstype), "TESTTYPE");
4832 
4833 	/* Initialize a new blob store */
4834 	spdk_bs_init(dev, &opts, bs_op_with_handle_complete, NULL);
4835 	poll_threads();
4836 	CU_ASSERT(g_bserrno == 0);
4837 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
4838 
4839 	for (i = 0; i < 4; i++) {
4840 		g_bserrno = -1;
4841 		g_blobid = SPDK_BLOBID_INVALID;
4842 		spdk_bs_create_blob(g_bs, blob_op_with_id_complete, NULL);
4843 		poll_threads();
4844 		CU_ASSERT(g_bserrno == 0);
4845 		CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
4846 		iter_ctx.blobid[i] = g_blobid;
4847 
4848 		g_bserrno = -1;
4849 		g_blob = NULL;
4850 		spdk_bs_open_blob(g_bs, g_blobid, blob_op_with_handle_complete, NULL);
4851 		poll_threads();
4852 		CU_ASSERT(g_bserrno == 0);
4853 		CU_ASSERT(g_blob != NULL);
4854 		blob = g_blob;
4855 
4856 		/* Just save the blobid as an xattr for testing purposes. */
4857 		rc = spdk_blob_set_xattr(blob, "blobid", &g_blobid, sizeof(g_blobid));
4858 		CU_ASSERT(rc == 0);
4859 
4860 		/* Resize the blob */
4861 		spdk_blob_resize(blob, i, blob_op_complete, NULL);
4862 		poll_threads();
4863 		CU_ASSERT(g_bserrno == 0);
4864 
4865 		spdk_blob_close(blob, blob_op_complete, NULL);
4866 		poll_threads();
4867 		CU_ASSERT(g_bserrno == 0);
4868 	}
4869 
4870 	g_bserrno = -1;
4871 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
4872 	poll_threads();
4873 	CU_ASSERT(g_bserrno == 0);
4874 
4875 	dev = init_dev();
4876 	spdk_bs_opts_init(&opts);
4877 	snprintf(opts.bstype.bstype, sizeof(opts.bstype.bstype), "TESTTYPE");
4878 	opts.iter_cb_fn = test_iter;
4879 	opts.iter_cb_arg = &iter_ctx;
4880 
4881 	/* Test blob iteration during load after a clean shutdown. */
4882 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
4883 	poll_threads();
4884 	CU_ASSERT(g_bserrno == 0);
4885 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
4886 
4887 	/* Dirty shutdown */
4888 	_spdk_bs_free(g_bs);
4889 
4890 	dev = init_dev();
4891 	spdk_bs_opts_init(&opts);
4892 	snprintf(opts.bstype.bstype, sizeof(opts.bstype.bstype), "TESTTYPE");
4893 	opts.iter_cb_fn = test_iter;
4894 	iter_ctx.current_iter = 0;
4895 	opts.iter_cb_arg = &iter_ctx;
4896 
4897 	/* Test blob iteration during load after a dirty shutdown. */
4898 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
4899 	poll_threads();
4900 	CU_ASSERT(g_bserrno == 0);
4901 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
4902 
4903 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
4904 	poll_threads();
4905 	CU_ASSERT(g_bserrno == 0);
4906 	g_bs = NULL;
4907 }
4908 
4909 static void
4910 blob_snapshot_rw(void)
4911 {
4912 	static const uint8_t zero[10 * 4096] = { 0 };
4913 	struct spdk_blob_store *bs;
4914 	struct spdk_bs_dev *dev;
4915 	struct spdk_blob *blob, *snapshot;
4916 	struct spdk_io_channel *channel;
4917 	struct spdk_blob_opts opts;
4918 	spdk_blob_id blobid, snapshotid;
4919 	uint64_t free_clusters;
4920 	uint64_t cluster_size;
4921 	uint64_t page_size;
4922 	uint8_t payload_read[10 * 4096];
4923 	uint8_t payload_write[10 * 4096];
4924 	uint64_t write_bytes;
4925 	uint64_t read_bytes;
4926 
4927 	dev = init_dev();
4928 
4929 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
4930 	poll_threads();
4931 	CU_ASSERT(g_bserrno == 0);
4932 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
4933 	bs = g_bs;
4934 	free_clusters = spdk_bs_free_cluster_count(bs);
4935 	cluster_size = spdk_bs_get_cluster_size(bs);
4936 	page_size = spdk_bs_get_page_size(bs);
4937 
4938 	channel = spdk_bs_alloc_io_channel(bs);
4939 	CU_ASSERT(channel != NULL);
4940 
4941 	spdk_blob_opts_init(&opts);
4942 	opts.thin_provision = true;
4943 	opts.num_clusters = 5;
4944 
4945 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
4946 	poll_threads();
4947 	CU_ASSERT(g_bserrno == 0);
4948 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
4949 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
4950 	blobid = g_blobid;
4951 
4952 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
4953 	poll_threads();
4954 	CU_ASSERT(g_bserrno == 0);
4955 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
4956 	blob = g_blob;
4957 
4958 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 5);
4959 
4960 	memset(payload_read, 0xFF, sizeof(payload_read));
4961 	spdk_blob_io_read(blob, channel, payload_read, 4, 10, blob_op_complete, NULL);
4962 	poll_threads();
4963 	CU_ASSERT(g_bserrno == 0);
4964 	CU_ASSERT(memcmp(zero, payload_read, 10 * 4096) == 0);
4965 
4966 	memset(payload_write, 0xE5, sizeof(payload_write));
4967 	spdk_blob_io_write(blob, channel, payload_write, 4, 10, blob_op_complete, NULL);
4968 	poll_threads();
4969 	CU_ASSERT(g_bserrno == 0);
4970 	CU_ASSERT(free_clusters != spdk_bs_free_cluster_count(bs));
4971 
4972 	/* Create snapshot from blob */
4973 	spdk_bs_create_snapshot(bs, blobid, NULL, blob_op_with_id_complete, NULL);
4974 	poll_threads();
4975 	CU_ASSERT(g_bserrno == 0);
4976 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
4977 	snapshotid = g_blobid;
4978 
4979 	spdk_bs_open_blob(bs, snapshotid, blob_op_with_handle_complete, NULL);
4980 	poll_threads();
4981 	CU_ASSERT(g_bserrno == 0);
4982 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
4983 	snapshot = g_blob;
4984 	CU_ASSERT(snapshot->data_ro == true);
4985 	CU_ASSERT(snapshot->md_ro == true);
4986 
4987 	CU_ASSERT(spdk_blob_get_num_clusters(snapshot) == 5);
4988 
4989 	write_bytes = g_dev_write_bytes;
4990 	read_bytes = g_dev_read_bytes;
4991 
4992 	memset(payload_write, 0xAA, sizeof(payload_write));
4993 	spdk_blob_io_write(blob, channel, payload_write, 4, 10, blob_op_complete, NULL);
4994 	poll_threads();
4995 	CU_ASSERT(g_bserrno == 0);
4996 	CU_ASSERT(free_clusters != spdk_bs_free_cluster_count(bs));
4997 
4998 	/* For a clone we need to allocate and copy one cluster, update one page of metadata
4999 	 * and then write 10 pages of payload.
5000 	 */
5001 	CU_ASSERT(g_dev_write_bytes - write_bytes == page_size * 11 + cluster_size);
5002 	CU_ASSERT(g_dev_read_bytes - read_bytes == cluster_size);
5003 
5004 	spdk_blob_io_read(blob, channel, payload_read, 4, 10, blob_op_complete, NULL);
5005 	poll_threads();
5006 	CU_ASSERT(g_bserrno == 0);
5007 	CU_ASSERT(memcmp(payload_write, payload_read, 10 * 4096) == 0);
5008 
5009 	/* Data on snapshot should not change after write to clone */
5010 	memset(payload_write, 0xE5, sizeof(payload_write));
5011 	spdk_blob_io_read(snapshot, channel, payload_read, 4, 10, blob_op_complete, NULL);
5012 	poll_threads();
5013 	CU_ASSERT(g_bserrno == 0);
5014 	CU_ASSERT(memcmp(payload_write, payload_read, 10 * 4096) == 0);
5015 
5016 	spdk_blob_close(blob, blob_op_complete, NULL);
5017 	poll_threads();
5018 	CU_ASSERT(g_bserrno == 0);
5019 
5020 	spdk_blob_close(snapshot, blob_op_complete, NULL);
5021 	poll_threads();
5022 	CU_ASSERT(g_bserrno == 0);
5023 
5024 	spdk_bs_delete_blob(bs, blobid, blob_op_complete, NULL);
5025 	poll_threads();
5026 	CU_ASSERT(g_bserrno == 0);
5027 
5028 	spdk_bs_delete_blob(bs, snapshotid, blob_op_complete, NULL);
5029 	poll_threads();
5030 	CU_ASSERT(g_bserrno == 0);
5031 
5032 	spdk_bs_free_io_channel(channel);
5033 	poll_threads();
5034 
5035 	/* Unload the blob store */
5036 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
5037 	poll_threads();
5038 	CU_ASSERT(g_bserrno == 0);
5039 	g_bs = NULL;
5040 	g_blob = NULL;
5041 	g_blobid = 0;
5042 }
5043 
5044 static void
5045 blob_snapshot_rw_iov(void)
5046 {
5047 	static const uint8_t zero[10 * 4096] = { 0 };
5048 	struct spdk_blob_store *bs;
5049 	struct spdk_bs_dev *dev;
5050 	struct spdk_blob *blob, *snapshot;
5051 	struct spdk_io_channel *channel;
5052 	struct spdk_blob_opts opts;
5053 	spdk_blob_id blobid, snapshotid;
5054 	uint64_t free_clusters;
5055 	uint8_t payload_read[10 * 4096];
5056 	uint8_t payload_write[10 * 4096];
5057 	struct iovec iov_read[3];
5058 	struct iovec iov_write[3];
5059 
5060 	dev = init_dev();
5061 
5062 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
5063 	poll_threads();
5064 	CU_ASSERT(g_bserrno == 0);
5065 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
5066 	bs = g_bs;
5067 	free_clusters = spdk_bs_free_cluster_count(bs);
5068 
5069 	channel = spdk_bs_alloc_io_channel(bs);
5070 	CU_ASSERT(channel != NULL);
5071 
5072 	spdk_blob_opts_init(&opts);
5073 	opts.thin_provision = true;
5074 	opts.num_clusters = 5;
5075 
5076 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
5077 	poll_threads();
5078 	CU_ASSERT(g_bserrno == 0);
5079 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
5080 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
5081 	blobid = g_blobid;
5082 
5083 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
5084 	poll_threads();
5085 	CU_ASSERT(g_bserrno == 0);
5086 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
5087 	blob = g_blob;
5088 
5089 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 5);
5090 
5091 	/* Create snapshot from blob */
5092 	spdk_bs_create_snapshot(bs, blobid, NULL, blob_op_with_id_complete, NULL);
5093 	poll_threads();
5094 	CU_ASSERT(g_bserrno == 0);
5095 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
5096 	snapshotid = g_blobid;
5097 
5098 	spdk_bs_open_blob(bs, snapshotid, blob_op_with_handle_complete, NULL);
5099 	poll_threads();
5100 	CU_ASSERT(g_bserrno == 0);
5101 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
5102 	snapshot = g_blob;
5103 	CU_ASSERT(snapshot->data_ro == true);
5104 	CU_ASSERT(snapshot->md_ro == true);
5105 	CU_ASSERT(spdk_blob_get_num_clusters(snapshot) == 5);
5106 
5107 	/* Payload should be all zeros from unallocated clusters */
5108 	memset(payload_read, 0xAA, sizeof(payload_read));
5109 	iov_read[0].iov_base = payload_read;
5110 	iov_read[0].iov_len = 3 * 4096;
5111 	iov_read[1].iov_base = payload_read + 3 * 4096;
5112 	iov_read[1].iov_len = 4 * 4096;
5113 	iov_read[2].iov_base = payload_read + 7 * 4096;
5114 	iov_read[2].iov_len = 3 * 4096;
5115 	spdk_blob_io_readv(blob, channel, iov_read, 3, 250, 10, blob_op_complete, NULL);
5116 	poll_threads();
5117 	CU_ASSERT(g_bserrno == 0);
5118 	CU_ASSERT(memcmp(zero, payload_read, 10 * 4096) == 0);
5119 
5120 	memset(payload_write, 0xE5, sizeof(payload_write));
5121 	iov_write[0].iov_base = payload_write;
5122 	iov_write[0].iov_len = 1 * 4096;
5123 	iov_write[1].iov_base = payload_write + 1 * 4096;
5124 	iov_write[1].iov_len = 5 * 4096;
5125 	iov_write[2].iov_base = payload_write + 6 * 4096;
5126 	iov_write[2].iov_len = 4 * 4096;
5127 
5128 	spdk_blob_io_writev(blob, channel, iov_write, 3, 250, 10, blob_op_complete, NULL);
5129 	poll_threads();
5130 	CU_ASSERT(g_bserrno == 0);
5131 
5132 	memset(payload_read, 0xAA, sizeof(payload_read));
5133 	iov_read[0].iov_base = payload_read;
5134 	iov_read[0].iov_len = 3 * 4096;
5135 	iov_read[1].iov_base = payload_read + 3 * 4096;
5136 	iov_read[1].iov_len = 4 * 4096;
5137 	iov_read[2].iov_base = payload_read + 7 * 4096;
5138 	iov_read[2].iov_len = 3 * 4096;
5139 	spdk_blob_io_readv(blob, channel, iov_read, 3, 250, 10, blob_op_complete, NULL);
5140 	poll_threads();
5141 	CU_ASSERT(g_bserrno == 0);
5142 	CU_ASSERT(memcmp(payload_write, payload_read, 10 * 4096) == 0);
5143 
5144 	spdk_blob_close(blob, blob_op_complete, NULL);
5145 	poll_threads();
5146 	CU_ASSERT(g_bserrno == 0);
5147 
5148 	spdk_blob_close(snapshot, blob_op_complete, NULL);
5149 	poll_threads();
5150 	CU_ASSERT(g_bserrno == 0);
5151 
5152 	spdk_bs_free_io_channel(channel);
5153 	poll_threads();
5154 
5155 	/* Unload the blob store */
5156 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
5157 	poll_threads();
5158 	CU_ASSERT(g_bserrno == 0);
5159 	g_bs = NULL;
5160 	g_blob = NULL;
5161 	g_blobid = 0;
5162 }
5163 
5164 /**
5165  * Inflate / decouple parent rw unit tests.
5166  *
5167  * --------------
5168  * original blob:         0         1         2         3         4
5169  *                   ,---------+---------+---------+---------+---------.
5170  *         snapshot  |xxxxxxxxx|xxxxxxxxx|xxxxxxxxx|xxxxxxxxx|    -    |
5171  *                   +---------+---------+---------+---------+---------+
5172  *         snapshot2 |    -    |yyyyyyyyy|    -    |yyyyyyyyy|    -    |
5173  *                   +---------+---------+---------+---------+---------+
5174  *         blob      |    -    |zzzzzzzzz|    -    |    -    |    -    |
5175  *                   '---------+---------+---------+---------+---------'
5176  *                   .         .         .         .         .         .
5177  * --------          .         .         .         .         .         .
5178  * inflate:          .         .         .         .         .         .
5179  *                   ,---------+---------+---------+---------+---------.
5180  *         blob      |xxxxxxxxx|zzzzzzzzz|xxxxxxxxx|yyyyyyyyy|000000000|
5181  *                   '---------+---------+---------+---------+---------'
5182  *
5183  *         NOTE: needs to allocate 4 clusters, thin provisioning removed, dependency
5184  *               on snapshot2 and snapshot removed .         .         .
5185  *                   .         .         .         .         .         .
5186  * ----------------  .         .         .         .         .         .
5187  * decouple parent:  .         .         .         .         .         .
5188  *                   ,---------+---------+---------+---------+---------.
5189  *         snapshot  |xxxxxxxxx|xxxxxxxxx|xxxxxxxxx|xxxxxxxxx|    -    |
5190  *                   +---------+---------+---------+---------+---------+
5191  *         blob      |    -    |zzzzzzzzz|    -    |yyyyyyyyy|    -    |
5192  *                   '---------+---------+---------+---------+---------'
5193  *
5194  *         NOTE: needs to allocate 1 cluster, 3 clusters unallocated, dependency
5195  *               on snapshot2 removed and on snapshot still exists. Snapshot2
5196  *               should remain a clone of snapshot.
5197  */
5198 static void
5199 _blob_inflate_rw(bool decouple_parent)
5200 {
5201 	struct spdk_blob_store *bs;
5202 	struct spdk_bs_dev *dev;
5203 	struct spdk_blob *blob, *snapshot, *snapshot2;
5204 	struct spdk_io_channel *channel;
5205 	struct spdk_blob_opts opts;
5206 	spdk_blob_id blobid, snapshotid, snapshot2id;
5207 	uint64_t free_clusters;
5208 	uint64_t cluster_size;
5209 
5210 	uint64_t payload_size;
5211 	uint8_t *payload_read;
5212 	uint8_t *payload_write;
5213 	uint8_t *payload_clone;
5214 
5215 	uint64_t pages_per_cluster;
5216 	uint64_t pages_per_payload;
5217 
5218 	int i;
5219 	spdk_blob_id ids[2];
5220 	size_t count;
5221 
5222 	dev = init_dev();
5223 
5224 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
5225 	poll_threads();
5226 	CU_ASSERT(g_bserrno == 0);
5227 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
5228 	bs = g_bs;
5229 
5230 	free_clusters = spdk_bs_free_cluster_count(bs);
5231 	cluster_size = spdk_bs_get_cluster_size(bs);
5232 	pages_per_cluster = cluster_size / spdk_bs_get_page_size(bs);
5233 	pages_per_payload = pages_per_cluster * 5;
5234 
5235 	payload_size = cluster_size * 5;
5236 
5237 	payload_read = malloc(payload_size);
5238 	SPDK_CU_ASSERT_FATAL(payload_read != NULL);
5239 
5240 	payload_write = malloc(payload_size);
5241 	SPDK_CU_ASSERT_FATAL(payload_write != NULL);
5242 
5243 	payload_clone = malloc(payload_size);
5244 	SPDK_CU_ASSERT_FATAL(payload_clone != NULL);
5245 
5246 	channel = spdk_bs_alloc_io_channel(bs);
5247 	SPDK_CU_ASSERT_FATAL(channel != NULL);
5248 
5249 	/* Create blob */
5250 	spdk_blob_opts_init(&opts);
5251 	opts.thin_provision = true;
5252 	opts.num_clusters = 5;
5253 
5254 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
5255 	poll_threads();
5256 	CU_ASSERT(g_bserrno == 0);
5257 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
5258 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
5259 	blobid = g_blobid;
5260 
5261 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
5262 	poll_threads();
5263 	CU_ASSERT(g_bserrno == 0);
5264 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
5265 	blob = g_blob;
5266 
5267 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 5);
5268 
5269 	/* 1) Initial read should return zeroed payload */
5270 	memset(payload_read, 0xFF, payload_size);
5271 	spdk_blob_io_read(blob, channel, payload_read, 0, pages_per_payload,
5272 			  blob_op_complete, NULL);
5273 	poll_threads();
5274 	CU_ASSERT(g_bserrno == 0);
5275 	CU_ASSERT(spdk_mem_all_zero(payload_read, payload_size));
5276 
5277 	/* Fill whole blob with a pattern, except last cluster (to be sure it
5278 	 * isn't allocated) */
5279 	memset(payload_write, 0xE5, payload_size - cluster_size);
5280 	spdk_blob_io_write(blob, channel, payload_write, 0, pages_per_payload -
5281 			   pages_per_cluster, blob_op_complete, NULL);
5282 	poll_threads();
5283 	CU_ASSERT(g_bserrno == 0);
5284 	CU_ASSERT(free_clusters != spdk_bs_free_cluster_count(bs));
5285 
5286 	/* 2) Create snapshot from blob (first level) */
5287 	spdk_bs_create_snapshot(bs, blobid, NULL, blob_op_with_id_complete, NULL);
5288 	poll_threads();
5289 	CU_ASSERT(g_bserrno == 0);
5290 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
5291 	snapshotid = g_blobid;
5292 
5293 	spdk_bs_open_blob(bs, snapshotid, blob_op_with_handle_complete, NULL);
5294 	poll_threads();
5295 	CU_ASSERT(g_bserrno == 0);
5296 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
5297 	snapshot = g_blob;
5298 	CU_ASSERT(snapshot->data_ro == true);
5299 	CU_ASSERT(snapshot->md_ro == true);
5300 
5301 	CU_ASSERT(spdk_blob_get_num_clusters(snapshot) == 5);
5302 
5303 	/* Write every second cluster with a pattern.
5304 	 *
5305 	 * Last cluster shouldn't be written, to be sure that snapshot nor clone
5306 	 * doesn't allocate it.
5307 	 *
5308 	 * payload_clone stores expected result on "blob" read at the time and
5309 	 * is used only to check data consistency on clone before and after
5310 	 * inflation. Initially we fill it with a backing snapshots pattern
5311 	 * used before.
5312 	 */
5313 	memset(payload_clone, 0xE5, payload_size - cluster_size);
5314 	memset(payload_clone + payload_size - cluster_size, 0x00, cluster_size);
5315 	memset(payload_write, 0xAA, payload_size);
5316 	for (i = 1; i < 5; i += 2) {
5317 		spdk_blob_io_write(blob, channel, payload_write, i * pages_per_cluster,
5318 				   pages_per_cluster, blob_op_complete, NULL);
5319 		poll_threads();
5320 		CU_ASSERT(g_bserrno == 0);
5321 
5322 		/* Update expected result */
5323 		memcpy(payload_clone + (cluster_size * i), payload_write,
5324 		       cluster_size);
5325 	}
5326 	CU_ASSERT(free_clusters != spdk_bs_free_cluster_count(bs));
5327 
5328 	/* Check data consistency on clone */
5329 	memset(payload_read, 0xFF, payload_size);
5330 	spdk_blob_io_read(blob, channel, payload_read, 0, pages_per_payload,
5331 			  blob_op_complete, NULL);
5332 	poll_threads();
5333 	CU_ASSERT(g_bserrno == 0);
5334 	CU_ASSERT(memcmp(payload_clone, payload_read, payload_size) == 0);
5335 
5336 	/* 3) Create second levels snapshot from blob */
5337 	spdk_bs_create_snapshot(bs, blobid, NULL, blob_op_with_id_complete, NULL);
5338 	poll_threads();
5339 	CU_ASSERT(g_bserrno == 0);
5340 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
5341 	snapshot2id = g_blobid;
5342 
5343 	spdk_bs_open_blob(bs, snapshot2id, blob_op_with_handle_complete, NULL);
5344 	poll_threads();
5345 	CU_ASSERT(g_bserrno == 0);
5346 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
5347 	snapshot2 = g_blob;
5348 	CU_ASSERT(snapshot2->data_ro == true);
5349 	CU_ASSERT(snapshot2->md_ro == true);
5350 
5351 	CU_ASSERT(spdk_blob_get_num_clusters(snapshot2) == 5);
5352 
5353 	CU_ASSERT(snapshot2->parent_id == snapshotid);
5354 
5355 	/* Write one cluster on the top level blob. This cluster (1) covers
5356 	 * already allocated cluster in the snapshot2, so shouldn't be inflated
5357 	 * at all */
5358 	spdk_blob_io_write(blob, channel, payload_write, pages_per_cluster,
5359 			   pages_per_cluster, blob_op_complete, NULL);
5360 	poll_threads();
5361 	CU_ASSERT(g_bserrno == 0);
5362 
5363 	/* Update expected result */
5364 	memcpy(payload_clone + cluster_size, payload_write, cluster_size);
5365 
5366 	/* Check data consistency on clone */
5367 	memset(payload_read, 0xFF, payload_size);
5368 	spdk_blob_io_read(blob, channel, payload_read, 0, pages_per_payload,
5369 			  blob_op_complete, NULL);
5370 	poll_threads();
5371 	CU_ASSERT(g_bserrno == 0);
5372 	CU_ASSERT(memcmp(payload_clone, payload_read, payload_size) == 0);
5373 
5374 
5375 	/* Close all blobs */
5376 	spdk_blob_close(blob, blob_op_complete, NULL);
5377 	poll_threads();
5378 	CU_ASSERT(g_bserrno == 0);
5379 
5380 	spdk_blob_close(snapshot2, blob_op_complete, NULL);
5381 	poll_threads();
5382 	CU_ASSERT(g_bserrno == 0);
5383 
5384 	spdk_blob_close(snapshot, blob_op_complete, NULL);
5385 	poll_threads();
5386 	CU_ASSERT(g_bserrno == 0);
5387 
5388 	/* Check snapshot-clone relations */
5389 	count = 2;
5390 	CU_ASSERT(spdk_blob_get_clones(bs, snapshotid, ids, &count) == 0);
5391 	CU_ASSERT(count == 1);
5392 	CU_ASSERT(ids[0] == snapshot2id);
5393 
5394 	count = 2;
5395 	CU_ASSERT(spdk_blob_get_clones(bs, snapshot2id, ids, &count) == 0);
5396 	CU_ASSERT(count == 1);
5397 	CU_ASSERT(ids[0] == blobid);
5398 
5399 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, blobid) == snapshot2id);
5400 
5401 	free_clusters = spdk_bs_free_cluster_count(bs);
5402 	if (!decouple_parent) {
5403 		/* Do full blob inflation */
5404 		spdk_bs_inflate_blob(bs, channel, blobid, blob_op_complete, NULL);
5405 		poll_threads();
5406 		CU_ASSERT(g_bserrno == 0);
5407 
5408 		/* All clusters should be inflated (except one already allocated
5409 		 * in a top level blob) */
5410 		CU_ASSERT(spdk_bs_free_cluster_count(bs) == free_clusters - 4);
5411 
5412 		/* Check if relation tree updated correctly */
5413 		count = 2;
5414 		CU_ASSERT(spdk_blob_get_clones(bs, snapshotid, ids, &count) == 0);
5415 
5416 		/* snapshotid have one clone */
5417 		CU_ASSERT(count == 1);
5418 		CU_ASSERT(ids[0] == snapshot2id);
5419 
5420 		/* snapshot2id have no clones */
5421 		count = 2;
5422 		CU_ASSERT(spdk_blob_get_clones(bs, snapshot2id, ids, &count) == 0);
5423 		CU_ASSERT(count == 0);
5424 
5425 		CU_ASSERT(spdk_blob_get_parent_snapshot(bs, blobid) == SPDK_BLOBID_INVALID);
5426 	} else {
5427 		/* Decouple parent of blob */
5428 		spdk_bs_blob_decouple_parent(bs, channel, blobid, blob_op_complete, NULL);
5429 		poll_threads();
5430 		CU_ASSERT(g_bserrno == 0);
5431 
5432 		/* Only one cluster from a parent should be inflated (second one
5433 		 * is covered by a cluster written on a top level blob, and
5434 		 * already allocated) */
5435 		CU_ASSERT(spdk_bs_free_cluster_count(bs) == free_clusters - 1);
5436 
5437 		/* Check if relation tree updated correctly */
5438 		count = 2;
5439 		CU_ASSERT(spdk_blob_get_clones(bs, snapshotid, ids, &count) == 0);
5440 
5441 		/* snapshotid have two clones now */
5442 		CU_ASSERT(count == 2);
5443 		CU_ASSERT(ids[0] == blobid || ids[1] == blobid);
5444 		CU_ASSERT(ids[0] == snapshot2id || ids[1] == snapshot2id);
5445 
5446 		/* snapshot2id have no clones */
5447 		count = 2;
5448 		CU_ASSERT(spdk_blob_get_clones(bs, snapshot2id, ids, &count) == 0);
5449 		CU_ASSERT(count == 0);
5450 
5451 		CU_ASSERT(spdk_blob_get_parent_snapshot(bs, blobid) == snapshotid);
5452 	}
5453 
5454 	/* Try to delete snapshot2 (should pass) */
5455 	spdk_bs_delete_blob(bs, snapshot2id, blob_op_complete, NULL);
5456 	poll_threads();
5457 	CU_ASSERT(g_bserrno == 0);
5458 
5459 	/* Try to delete base snapshot */
5460 	spdk_bs_delete_blob(bs, snapshotid, blob_op_complete, NULL);
5461 	poll_threads();
5462 	CU_ASSERT(g_bserrno == 0);
5463 
5464 	/* Reopen blob after snapshot deletion */
5465 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
5466 	poll_threads();
5467 	CU_ASSERT(g_bserrno == 0);
5468 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
5469 	blob = g_blob;
5470 
5471 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 5);
5472 
5473 	/* Check data consistency on inflated blob */
5474 	memset(payload_read, 0xFF, payload_size);
5475 	spdk_blob_io_read(blob, channel, payload_read, 0, pages_per_payload,
5476 			  blob_op_complete, NULL);
5477 	poll_threads();
5478 	CU_ASSERT(g_bserrno == 0);
5479 	CU_ASSERT(memcmp(payload_clone, payload_read, payload_size) == 0);
5480 
5481 	spdk_blob_close(blob, blob_op_complete, NULL);
5482 	poll_threads();
5483 	CU_ASSERT(g_bserrno == 0);
5484 
5485 	spdk_bs_free_io_channel(channel);
5486 	poll_threads();
5487 
5488 	/* Unload the blob store */
5489 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
5490 	poll_threads();
5491 	CU_ASSERT(g_bserrno == 0);
5492 	g_bs = NULL;
5493 	g_blob = NULL;
5494 	g_blobid = 0;
5495 
5496 	free(payload_read);
5497 	free(payload_write);
5498 	free(payload_clone);
5499 }
5500 
5501 static void
5502 blob_inflate_rw(void)
5503 {
5504 	_blob_inflate_rw(false);
5505 	_blob_inflate_rw(true);
5506 }
5507 
5508 /**
5509  * Snapshot-clones relation test
5510  *
5511  *         snapshot
5512  *            |
5513  *      +-----+-----+
5514  *      |           |
5515  *   blob(ro)   snapshot2
5516  *      |           |
5517  *   clone2      clone
5518  */
5519 static void
5520 blob_relations(void)
5521 {
5522 	struct spdk_blob_store *bs;
5523 	struct spdk_bs_dev *dev;
5524 	struct spdk_bs_opts bs_opts;
5525 	struct spdk_blob_opts opts;
5526 	struct spdk_blob *blob, *snapshot, *snapshot2, *clone, *clone2;
5527 	spdk_blob_id blobid, cloneid, snapshotid, cloneid2, snapshotid2;
5528 	int rc;
5529 	size_t count;
5530 	spdk_blob_id ids[10] = {};
5531 
5532 	dev = init_dev();
5533 	spdk_bs_opts_init(&bs_opts);
5534 	snprintf(bs_opts.bstype.bstype, sizeof(bs_opts.bstype.bstype), "TESTTYPE");
5535 
5536 	spdk_bs_init(dev, &bs_opts, bs_op_with_handle_complete, NULL);
5537 	poll_threads();
5538 	CU_ASSERT(g_bserrno == 0);
5539 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
5540 	bs = g_bs;
5541 
5542 	/* 1. Create blob with 10 clusters */
5543 
5544 	spdk_blob_opts_init(&opts);
5545 	opts.num_clusters = 10;
5546 
5547 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
5548 	poll_threads();
5549 	CU_ASSERT(g_bserrno == 0);
5550 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
5551 	blobid = g_blobid;
5552 
5553 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
5554 	poll_threads();
5555 	CU_ASSERT(g_bserrno == 0);
5556 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
5557 	blob = g_blob;
5558 
5559 	CU_ASSERT(!spdk_blob_is_read_only(blob));
5560 	CU_ASSERT(!spdk_blob_is_snapshot(blob));
5561 	CU_ASSERT(!spdk_blob_is_clone(blob));
5562 	CU_ASSERT(!spdk_blob_is_thin_provisioned(blob));
5563 
5564 	/* blob should not have underlying snapshot nor clones */
5565 	CU_ASSERT(blob->parent_id == SPDK_BLOBID_INVALID);
5566 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, blobid) == SPDK_BLOBID_INVALID);
5567 	count = SPDK_COUNTOF(ids);
5568 	rc = spdk_blob_get_clones(bs, blobid, ids, &count);
5569 	CU_ASSERT(rc == 0);
5570 	CU_ASSERT(count == 0);
5571 
5572 
5573 	/* 2. Create snapshot */
5574 
5575 	spdk_bs_create_snapshot(bs, blobid, NULL, blob_op_with_id_complete, NULL);
5576 	poll_threads();
5577 	CU_ASSERT(g_bserrno == 0);
5578 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
5579 	snapshotid = g_blobid;
5580 
5581 	spdk_bs_open_blob(bs, snapshotid, blob_op_with_handle_complete, NULL);
5582 	poll_threads();
5583 	CU_ASSERT(g_bserrno == 0);
5584 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
5585 	snapshot = g_blob;
5586 
5587 	CU_ASSERT(spdk_blob_is_read_only(snapshot));
5588 	CU_ASSERT(spdk_blob_is_snapshot(snapshot));
5589 	CU_ASSERT(!spdk_blob_is_clone(snapshot));
5590 	CU_ASSERT(snapshot->parent_id == SPDK_BLOBID_INVALID);
5591 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, snapshotid) == SPDK_BLOBID_INVALID);
5592 
5593 	/* Check if original blob is converted to the clone of snapshot */
5594 	CU_ASSERT(!spdk_blob_is_read_only(blob));
5595 	CU_ASSERT(!spdk_blob_is_snapshot(blob));
5596 	CU_ASSERT(spdk_blob_is_clone(blob));
5597 	CU_ASSERT(spdk_blob_is_thin_provisioned(blob));
5598 	CU_ASSERT(blob->parent_id == snapshotid);
5599 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, blobid) == snapshotid);
5600 
5601 	count = SPDK_COUNTOF(ids);
5602 	rc = spdk_blob_get_clones(bs, snapshotid, ids, &count);
5603 	CU_ASSERT(rc == 0);
5604 	CU_ASSERT(count == 1);
5605 	CU_ASSERT(ids[0] == blobid);
5606 
5607 
5608 	/* 3. Create clone from snapshot */
5609 
5610 	spdk_bs_create_clone(bs, snapshotid, NULL, blob_op_with_id_complete, NULL);
5611 	poll_threads();
5612 	CU_ASSERT(g_bserrno == 0);
5613 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
5614 	cloneid = g_blobid;
5615 
5616 	spdk_bs_open_blob(bs, cloneid, blob_op_with_handle_complete, NULL);
5617 	poll_threads();
5618 	CU_ASSERT(g_bserrno == 0);
5619 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
5620 	clone = g_blob;
5621 
5622 	CU_ASSERT(!spdk_blob_is_read_only(clone));
5623 	CU_ASSERT(!spdk_blob_is_snapshot(clone));
5624 	CU_ASSERT(spdk_blob_is_clone(clone));
5625 	CU_ASSERT(spdk_blob_is_thin_provisioned(clone));
5626 	CU_ASSERT(clone->parent_id == snapshotid);
5627 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, cloneid) == snapshotid);
5628 
5629 	count = SPDK_COUNTOF(ids);
5630 	rc = spdk_blob_get_clones(bs, cloneid, ids, &count);
5631 	CU_ASSERT(rc == 0);
5632 	CU_ASSERT(count == 0);
5633 
5634 	/* Check if clone is on the snapshot's list */
5635 	count = SPDK_COUNTOF(ids);
5636 	rc = spdk_blob_get_clones(bs, snapshotid, ids, &count);
5637 	CU_ASSERT(rc == 0);
5638 	CU_ASSERT(ids[0] == blobid || ids[1] == blobid);
5639 	CU_ASSERT(ids[0] == cloneid || ids[1] == cloneid);
5640 
5641 
5642 	/* 4. Create snapshot of the clone */
5643 
5644 	spdk_bs_create_snapshot(bs, cloneid, NULL, blob_op_with_id_complete, NULL);
5645 	poll_threads();
5646 	CU_ASSERT(g_bserrno == 0);
5647 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
5648 	snapshotid2 = g_blobid;
5649 
5650 	spdk_bs_open_blob(bs, snapshotid2, blob_op_with_handle_complete, NULL);
5651 	poll_threads();
5652 	CU_ASSERT(g_bserrno == 0);
5653 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
5654 	snapshot2 = g_blob;
5655 
5656 	CU_ASSERT(spdk_blob_is_read_only(snapshot2));
5657 	CU_ASSERT(spdk_blob_is_snapshot(snapshot2));
5658 	CU_ASSERT(spdk_blob_is_clone(snapshot2));
5659 	CU_ASSERT(snapshot2->parent_id == snapshotid);
5660 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, snapshotid2) == snapshotid);
5661 
5662 	/* Check if clone is converted to the clone of snapshot2 and snapshot2
5663 	 * is a child of snapshot */
5664 	CU_ASSERT(!spdk_blob_is_read_only(clone));
5665 	CU_ASSERT(!spdk_blob_is_snapshot(clone));
5666 	CU_ASSERT(spdk_blob_is_clone(clone));
5667 	CU_ASSERT(spdk_blob_is_thin_provisioned(clone));
5668 	CU_ASSERT(clone->parent_id == snapshotid2);
5669 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, cloneid) == snapshotid2);
5670 
5671 	count = SPDK_COUNTOF(ids);
5672 	rc = spdk_blob_get_clones(bs, snapshotid2, ids, &count);
5673 	CU_ASSERT(rc == 0);
5674 	CU_ASSERT(count == 1);
5675 	CU_ASSERT(ids[0] == cloneid);
5676 
5677 
5678 	/* 5. Try to create clone from read only blob */
5679 
5680 	/* Mark blob as read only */
5681 	spdk_blob_set_read_only(blob);
5682 	spdk_blob_sync_md(blob, blob_op_complete, NULL);
5683 	poll_threads();
5684 	CU_ASSERT(g_bserrno == 0);
5685 
5686 	/* Check if previously created blob is read only clone */
5687 	CU_ASSERT(spdk_blob_is_read_only(blob));
5688 	CU_ASSERT(!spdk_blob_is_snapshot(blob));
5689 	CU_ASSERT(spdk_blob_is_clone(blob));
5690 	CU_ASSERT(spdk_blob_is_thin_provisioned(blob));
5691 
5692 	/* Create clone from read only blob */
5693 	spdk_bs_create_clone(bs, blobid, NULL, blob_op_with_id_complete, NULL);
5694 	poll_threads();
5695 	CU_ASSERT(g_bserrno == 0);
5696 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
5697 	cloneid2 = g_blobid;
5698 
5699 	spdk_bs_open_blob(bs, cloneid2, blob_op_with_handle_complete, NULL);
5700 	poll_threads();
5701 	CU_ASSERT(g_bserrno == 0);
5702 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
5703 	clone2 = g_blob;
5704 
5705 	CU_ASSERT(!spdk_blob_is_read_only(clone2));
5706 	CU_ASSERT(!spdk_blob_is_snapshot(clone2));
5707 	CU_ASSERT(spdk_blob_is_clone(clone2));
5708 	CU_ASSERT(spdk_blob_is_thin_provisioned(clone2));
5709 
5710 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, cloneid2) == blobid);
5711 
5712 	count = SPDK_COUNTOF(ids);
5713 	rc = spdk_blob_get_clones(bs, blobid, ids, &count);
5714 	CU_ASSERT(rc == 0);
5715 
5716 	CU_ASSERT(count == 1);
5717 	CU_ASSERT(ids[0] == cloneid2);
5718 
5719 	/* Close blobs */
5720 
5721 	spdk_blob_close(clone2, blob_op_complete, NULL);
5722 	poll_threads();
5723 	CU_ASSERT(g_bserrno == 0);
5724 
5725 	spdk_blob_close(blob, blob_op_complete, NULL);
5726 	poll_threads();
5727 	CU_ASSERT(g_bserrno == 0);
5728 
5729 	spdk_blob_close(clone, blob_op_complete, NULL);
5730 	poll_threads();
5731 	CU_ASSERT(g_bserrno == 0);
5732 
5733 	spdk_blob_close(snapshot, blob_op_complete, NULL);
5734 	poll_threads();
5735 	CU_ASSERT(g_bserrno == 0);
5736 
5737 	spdk_blob_close(snapshot2, blob_op_complete, NULL);
5738 	poll_threads();
5739 	CU_ASSERT(g_bserrno == 0);
5740 
5741 	/* Try to delete snapshot with more than 1 clone */
5742 	spdk_bs_delete_blob(bs, snapshotid, blob_op_complete, NULL);
5743 	poll_threads();
5744 	CU_ASSERT(g_bserrno != 0);
5745 
5746 	spdk_bs_unload(bs, bs_op_complete, NULL);
5747 	poll_threads();
5748 	CU_ASSERT(g_bserrno == 0);
5749 	g_bs = NULL;
5750 
5751 	/* Load an existing blob store */
5752 	dev = init_dev();
5753 	snprintf(bs_opts.bstype.bstype, sizeof(bs_opts.bstype.bstype), "TESTTYPE");
5754 
5755 	spdk_bs_load(dev, NULL, bs_op_with_handle_complete, NULL);
5756 	poll_threads();
5757 	CU_ASSERT(g_bserrno == 0);
5758 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
5759 	bs = g_bs;
5760 
5761 
5762 	/* NULL ids array should return number of clones in count */
5763 	count = SPDK_COUNTOF(ids);
5764 	rc = spdk_blob_get_clones(bs, snapshotid, NULL, &count);
5765 	CU_ASSERT(rc == -ENOMEM);
5766 	CU_ASSERT(count == 2);
5767 
5768 	/* incorrect array size */
5769 	count = 1;
5770 	rc = spdk_blob_get_clones(bs, snapshotid, ids, &count);
5771 	CU_ASSERT(rc == -ENOMEM);
5772 	CU_ASSERT(count == 2);
5773 
5774 
5775 	/* Verify structure of loaded blob store */
5776 
5777 	/* snapshot */
5778 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, snapshotid) == SPDK_BLOBID_INVALID);
5779 
5780 	count = SPDK_COUNTOF(ids);
5781 	rc = spdk_blob_get_clones(bs, snapshotid, ids, &count);
5782 	CU_ASSERT(rc == 0);
5783 	CU_ASSERT(count == 2);
5784 	CU_ASSERT(ids[0] == blobid || ids[1] == blobid);
5785 	CU_ASSERT(ids[0] == snapshotid2 || ids[1] == snapshotid2);
5786 
5787 	/* blob */
5788 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, blobid) == snapshotid);
5789 	count = SPDK_COUNTOF(ids);
5790 	rc = spdk_blob_get_clones(bs, blobid, ids, &count);
5791 	CU_ASSERT(rc == 0);
5792 	CU_ASSERT(count == 1);
5793 	CU_ASSERT(ids[0] == cloneid2);
5794 
5795 	/* clone */
5796 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, cloneid) == snapshotid2);
5797 	count = SPDK_COUNTOF(ids);
5798 	rc = spdk_blob_get_clones(bs, cloneid, ids, &count);
5799 	CU_ASSERT(rc == 0);
5800 	CU_ASSERT(count == 0);
5801 
5802 	/* snapshot2 */
5803 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, snapshotid2) == snapshotid);
5804 	count = SPDK_COUNTOF(ids);
5805 	rc = spdk_blob_get_clones(bs, snapshotid2, ids, &count);
5806 	CU_ASSERT(rc == 0);
5807 	CU_ASSERT(count == 1);
5808 	CU_ASSERT(ids[0] == cloneid);
5809 
5810 	/* clone2 */
5811 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, cloneid2) == blobid);
5812 	count = SPDK_COUNTOF(ids);
5813 	rc = spdk_blob_get_clones(bs, cloneid2, ids, &count);
5814 	CU_ASSERT(rc == 0);
5815 	CU_ASSERT(count == 0);
5816 
5817 	/* Try to delete blob that user should not be able to remove */
5818 
5819 	spdk_bs_delete_blob(bs, snapshotid, blob_op_complete, NULL);
5820 	poll_threads();
5821 	CU_ASSERT(g_bserrno != 0);
5822 
5823 	/* Remove all blobs */
5824 
5825 	spdk_bs_delete_blob(bs, cloneid, blob_op_complete, NULL);
5826 	poll_threads();
5827 	CU_ASSERT(g_bserrno == 0);
5828 
5829 	spdk_bs_delete_blob(bs, snapshotid2, blob_op_complete, NULL);
5830 	poll_threads();
5831 	CU_ASSERT(g_bserrno == 0);
5832 
5833 	spdk_bs_delete_blob(bs, cloneid2, blob_op_complete, NULL);
5834 	poll_threads();
5835 	CU_ASSERT(g_bserrno == 0);
5836 
5837 	spdk_bs_delete_blob(bs, blobid, blob_op_complete, NULL);
5838 	poll_threads();
5839 	CU_ASSERT(g_bserrno == 0);
5840 
5841 	spdk_bs_delete_blob(bs, snapshotid, blob_op_complete, NULL);
5842 	poll_threads();
5843 	CU_ASSERT(g_bserrno == 0);
5844 
5845 	spdk_bs_unload(bs, bs_op_complete, NULL);
5846 	poll_threads();
5847 	CU_ASSERT(g_bserrno == 0);
5848 
5849 	g_bs = NULL;
5850 }
5851 
5852 /**
5853  * Snapshot-clones relation test 2
5854  *
5855  *         snapshot1
5856  *            |
5857  *         snapshot2
5858  *            |
5859  *      +-----+-----+
5860  *      |           |
5861  *   blob(ro)   snapshot3
5862  *      |           |
5863  *      |       snapshot4
5864  *      |        |     |
5865  *   clone2   clone  clone3
5866  */
5867 static void
5868 blob_relations2(void)
5869 {
5870 	struct spdk_blob_store *bs;
5871 	struct spdk_bs_dev *dev;
5872 	struct spdk_bs_opts bs_opts;
5873 	struct spdk_blob_opts opts;
5874 	struct spdk_blob *blob, *snapshot1, *snapshot2, *snapshot3, *snapshot4, *clone, *clone2;
5875 	spdk_blob_id blobid, snapshotid1, snapshotid2, snapshotid3, snapshotid4, cloneid, cloneid2,
5876 		     cloneid3;
5877 	int rc;
5878 	size_t count;
5879 	spdk_blob_id ids[10] = {};
5880 
5881 	dev = init_dev();
5882 	spdk_bs_opts_init(&bs_opts);
5883 	snprintf(bs_opts.bstype.bstype, sizeof(bs_opts.bstype.bstype), "TESTTYPE");
5884 
5885 	spdk_bs_init(dev, &bs_opts, bs_op_with_handle_complete, NULL);
5886 	poll_threads();
5887 	CU_ASSERT(g_bserrno == 0);
5888 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
5889 	bs = g_bs;
5890 
5891 	/* 1. Create blob with 10 clusters */
5892 
5893 	spdk_blob_opts_init(&opts);
5894 	opts.num_clusters = 10;
5895 
5896 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
5897 	poll_threads();
5898 	CU_ASSERT(g_bserrno == 0);
5899 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
5900 	blobid = g_blobid;
5901 
5902 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
5903 	poll_threads();
5904 	CU_ASSERT(g_bserrno == 0);
5905 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
5906 	blob = g_blob;
5907 
5908 	/* 2. Create snapshot1 */
5909 
5910 	spdk_bs_create_snapshot(bs, blobid, NULL, blob_op_with_id_complete, NULL);
5911 	poll_threads();
5912 	CU_ASSERT(g_bserrno == 0);
5913 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
5914 	snapshotid1 = g_blobid;
5915 
5916 	spdk_bs_open_blob(bs, snapshotid1, blob_op_with_handle_complete, NULL);
5917 	poll_threads();
5918 	CU_ASSERT(g_bserrno == 0);
5919 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
5920 	snapshot1 = g_blob;
5921 
5922 	CU_ASSERT(snapshot1->parent_id == SPDK_BLOBID_INVALID);
5923 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, snapshotid1) == SPDK_BLOBID_INVALID);
5924 
5925 	CU_ASSERT(blob->parent_id == snapshotid1);
5926 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, blobid) == snapshotid1);
5927 
5928 	/* Check if blob is the clone of snapshot1 */
5929 	CU_ASSERT(blob->parent_id == snapshotid1);
5930 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, blobid) == snapshotid1);
5931 
5932 	count = SPDK_COUNTOF(ids);
5933 	rc = spdk_blob_get_clones(bs, snapshotid1, ids, &count);
5934 	CU_ASSERT(rc == 0);
5935 	CU_ASSERT(count == 1);
5936 	CU_ASSERT(ids[0] == blobid);
5937 
5938 	/* 3. Create another snapshot */
5939 
5940 	spdk_bs_create_snapshot(bs, blobid, NULL, blob_op_with_id_complete, NULL);
5941 	poll_threads();
5942 	CU_ASSERT(g_bserrno == 0);
5943 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
5944 	snapshotid2 = g_blobid;
5945 
5946 	spdk_bs_open_blob(bs, snapshotid2, blob_op_with_handle_complete, NULL);
5947 	poll_threads();
5948 	CU_ASSERT(g_bserrno == 0);
5949 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
5950 	snapshot2 = g_blob;
5951 
5952 	CU_ASSERT(spdk_blob_is_clone(snapshot2));
5953 	CU_ASSERT(snapshot2->parent_id == snapshotid1);
5954 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, snapshotid2) == snapshotid1);
5955 
5956 	/* Check if snapshot2 is the clone of snapshot1 and blob
5957 	 * is a child of snapshot2 */
5958 	CU_ASSERT(blob->parent_id == snapshotid2);
5959 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, blobid) == snapshotid2);
5960 
5961 	count = SPDK_COUNTOF(ids);
5962 	rc = spdk_blob_get_clones(bs, snapshotid2, ids, &count);
5963 	CU_ASSERT(rc == 0);
5964 	CU_ASSERT(count == 1);
5965 	CU_ASSERT(ids[0] == blobid);
5966 
5967 	/* 4. Create clone from snapshot */
5968 
5969 	spdk_bs_create_clone(bs, snapshotid2, NULL, blob_op_with_id_complete, NULL);
5970 	poll_threads();
5971 	CU_ASSERT(g_bserrno == 0);
5972 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
5973 	cloneid = g_blobid;
5974 
5975 	spdk_bs_open_blob(bs, cloneid, blob_op_with_handle_complete, NULL);
5976 	poll_threads();
5977 	CU_ASSERT(g_bserrno == 0);
5978 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
5979 	clone = g_blob;
5980 
5981 	CU_ASSERT(clone->parent_id == snapshotid2);
5982 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, cloneid) == snapshotid2);
5983 
5984 	/* Check if clone is on the snapshot's list */
5985 	count = SPDK_COUNTOF(ids);
5986 	rc = spdk_blob_get_clones(bs, snapshotid2, ids, &count);
5987 	CU_ASSERT(rc == 0);
5988 	CU_ASSERT(count == 2);
5989 	CU_ASSERT(ids[0] == blobid || ids[1] == blobid);
5990 	CU_ASSERT(ids[0] == cloneid || ids[1] == cloneid);
5991 
5992 	/* 5. Create snapshot of the clone */
5993 
5994 	spdk_bs_create_snapshot(bs, cloneid, NULL, blob_op_with_id_complete, NULL);
5995 	poll_threads();
5996 	CU_ASSERT(g_bserrno == 0);
5997 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
5998 	snapshotid3 = g_blobid;
5999 
6000 	spdk_bs_open_blob(bs, snapshotid3, blob_op_with_handle_complete, NULL);
6001 	poll_threads();
6002 	CU_ASSERT(g_bserrno == 0);
6003 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
6004 	snapshot3 = g_blob;
6005 
6006 	CU_ASSERT(snapshot3->parent_id == snapshotid2);
6007 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, snapshotid3) == snapshotid2);
6008 
6009 	/* Check if clone is converted to the clone of snapshot3 and snapshot3
6010 	 * is a child of snapshot2 */
6011 	CU_ASSERT(clone->parent_id == snapshotid3);
6012 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, cloneid) == snapshotid3);
6013 
6014 	count = SPDK_COUNTOF(ids);
6015 	rc = spdk_blob_get_clones(bs, snapshotid3, ids, &count);
6016 	CU_ASSERT(rc == 0);
6017 	CU_ASSERT(count == 1);
6018 	CU_ASSERT(ids[0] == cloneid);
6019 
6020 	/* 6. Create another snapshot of the clone */
6021 
6022 	spdk_bs_create_snapshot(bs, cloneid, NULL, blob_op_with_id_complete, NULL);
6023 	poll_threads();
6024 	CU_ASSERT(g_bserrno == 0);
6025 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
6026 	snapshotid4 = g_blobid;
6027 
6028 	spdk_bs_open_blob(bs, snapshotid4, blob_op_with_handle_complete, NULL);
6029 	poll_threads();
6030 	CU_ASSERT(g_bserrno == 0);
6031 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
6032 	snapshot4 = g_blob;
6033 
6034 	CU_ASSERT(snapshot4->parent_id == snapshotid3);
6035 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, snapshotid4) == snapshotid3);
6036 
6037 	/* Check if clone is converted to the clone of snapshot4 and snapshot4
6038 	 * is a child of snapshot3 */
6039 	CU_ASSERT(clone->parent_id == snapshotid4);
6040 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, cloneid) == snapshotid4);
6041 
6042 	count = SPDK_COUNTOF(ids);
6043 	rc = spdk_blob_get_clones(bs, snapshotid4, ids, &count);
6044 	CU_ASSERT(rc == 0);
6045 	CU_ASSERT(count == 1);
6046 	CU_ASSERT(ids[0] == cloneid);
6047 
6048 	/* 7. Remove snapshot 4 */
6049 
6050 	spdk_blob_close(snapshot4, blob_op_complete, NULL);
6051 	poll_threads();
6052 	CU_ASSERT(g_bserrno == 0);
6053 
6054 	spdk_bs_delete_blob(bs, snapshotid4, blob_op_complete, NULL);
6055 	poll_threads();
6056 	CU_ASSERT(g_bserrno == 0);
6057 
6058 	/* Check if relations are back to state from before creating snapshot 4 */
6059 	CU_ASSERT(clone->parent_id == snapshotid3);
6060 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, cloneid) == snapshotid3);
6061 
6062 	count = SPDK_COUNTOF(ids);
6063 	rc = spdk_blob_get_clones(bs, snapshotid3, ids, &count);
6064 	CU_ASSERT(rc == 0);
6065 	CU_ASSERT(count == 1);
6066 	CU_ASSERT(ids[0] == cloneid);
6067 
6068 	/* 8. Create second clone of snapshot 3 and try to remove snapshot 3 */
6069 
6070 	spdk_bs_create_clone(bs, snapshotid3, NULL, blob_op_with_id_complete, NULL);
6071 	poll_threads();
6072 	CU_ASSERT(g_bserrno == 0);
6073 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
6074 	cloneid3 = g_blobid;
6075 
6076 	spdk_bs_delete_blob(bs, snapshotid3, blob_op_complete, NULL);
6077 	poll_threads();
6078 	CU_ASSERT(g_bserrno != 0);
6079 
6080 	/* 9. Open snapshot 3 again and try to remove it while clone 3 is closed */
6081 
6082 	spdk_bs_open_blob(bs, snapshotid3, blob_op_with_handle_complete, NULL);
6083 	poll_threads();
6084 	CU_ASSERT(g_bserrno == 0);
6085 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
6086 	snapshot3 = g_blob;
6087 
6088 	spdk_bs_delete_blob(bs, snapshotid3, blob_op_complete, NULL);
6089 	poll_threads();
6090 	CU_ASSERT(g_bserrno != 0);
6091 
6092 	spdk_blob_close(snapshot3, blob_op_complete, NULL);
6093 	poll_threads();
6094 	CU_ASSERT(g_bserrno == 0);
6095 
6096 	spdk_bs_delete_blob(bs, cloneid3, blob_op_complete, NULL);
6097 	poll_threads();
6098 	CU_ASSERT(g_bserrno == 0);
6099 
6100 	/* 10. Remove snapshot 1 */
6101 
6102 	spdk_blob_close(snapshot1, blob_op_complete, NULL);
6103 	poll_threads();
6104 	CU_ASSERT(g_bserrno == 0);
6105 
6106 	spdk_bs_delete_blob(bs, snapshotid1, blob_op_complete, NULL);
6107 	poll_threads();
6108 	CU_ASSERT(g_bserrno == 0);
6109 
6110 	/* Check if relations are back to state from before creating snapshot 4 (before step 6) */
6111 	CU_ASSERT(snapshot2->parent_id == SPDK_BLOBID_INVALID);
6112 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, snapshotid2) == SPDK_BLOBID_INVALID);
6113 
6114 	count = SPDK_COUNTOF(ids);
6115 	rc = spdk_blob_get_clones(bs, snapshotid2, ids, &count);
6116 	CU_ASSERT(rc == 0);
6117 	CU_ASSERT(count == 2);
6118 	CU_ASSERT(ids[0] == blobid || ids[1] == blobid);
6119 	CU_ASSERT(ids[0] == snapshotid3 || ids[1] == snapshotid3);
6120 
6121 	/* 11. Try to create clone from read only blob */
6122 
6123 	/* Mark blob as read only */
6124 	spdk_blob_set_read_only(blob);
6125 	spdk_blob_sync_md(blob, blob_op_complete, NULL);
6126 	poll_threads();
6127 	CU_ASSERT(g_bserrno == 0);
6128 
6129 	/* Create clone from read only blob */
6130 	spdk_bs_create_clone(bs, blobid, NULL, blob_op_with_id_complete, NULL);
6131 	poll_threads();
6132 	CU_ASSERT(g_bserrno == 0);
6133 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
6134 	cloneid2 = g_blobid;
6135 
6136 	spdk_bs_open_blob(bs, cloneid2, blob_op_with_handle_complete, NULL);
6137 	poll_threads();
6138 	CU_ASSERT(g_bserrno == 0);
6139 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
6140 	clone2 = g_blob;
6141 
6142 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, cloneid2) == blobid);
6143 
6144 	count = SPDK_COUNTOF(ids);
6145 	rc = spdk_blob_get_clones(bs, blobid, ids, &count);
6146 	CU_ASSERT(rc == 0);
6147 	CU_ASSERT(count == 1);
6148 	CU_ASSERT(ids[0] == cloneid2);
6149 
6150 	/* Close blobs */
6151 
6152 	spdk_blob_close(clone2, blob_op_complete, NULL);
6153 	poll_threads();
6154 	CU_ASSERT(g_bserrno == 0);
6155 
6156 	spdk_blob_close(blob, blob_op_complete, NULL);
6157 	poll_threads();
6158 	CU_ASSERT(g_bserrno == 0);
6159 
6160 	spdk_blob_close(clone, blob_op_complete, NULL);
6161 	poll_threads();
6162 	CU_ASSERT(g_bserrno == 0);
6163 
6164 	spdk_blob_close(snapshot2, blob_op_complete, NULL);
6165 	poll_threads();
6166 	CU_ASSERT(g_bserrno == 0);
6167 
6168 	spdk_blob_close(snapshot3, blob_op_complete, NULL);
6169 	poll_threads();
6170 	CU_ASSERT(g_bserrno == 0);
6171 
6172 	spdk_bs_unload(bs, bs_op_complete, NULL);
6173 	poll_threads();
6174 	CU_ASSERT(g_bserrno == 0);
6175 	g_bs = NULL;
6176 
6177 	/* Load an existing blob store */
6178 	dev = init_dev();
6179 	snprintf(bs_opts.bstype.bstype, sizeof(bs_opts.bstype.bstype), "TESTTYPE");
6180 
6181 	spdk_bs_load(dev, NULL, bs_op_with_handle_complete, NULL);
6182 	poll_threads();
6183 	CU_ASSERT(g_bserrno == 0);
6184 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
6185 	bs = g_bs;
6186 
6187 	/* Verify structure of loaded blob store */
6188 
6189 	/* snapshot2 */
6190 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, snapshotid2) == SPDK_BLOBID_INVALID);
6191 
6192 	count = SPDK_COUNTOF(ids);
6193 	rc = spdk_blob_get_clones(bs, snapshotid2, ids, &count);
6194 	CU_ASSERT(rc == 0);
6195 	CU_ASSERT(count == 2);
6196 	CU_ASSERT(ids[0] == blobid || ids[1] == blobid);
6197 	CU_ASSERT(ids[0] == snapshotid3 || ids[1] == snapshotid3);
6198 
6199 	/* blob */
6200 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, blobid) == snapshotid2);
6201 	count = SPDK_COUNTOF(ids);
6202 	rc = spdk_blob_get_clones(bs, blobid, ids, &count);
6203 	CU_ASSERT(rc == 0);
6204 	CU_ASSERT(count == 1);
6205 	CU_ASSERT(ids[0] == cloneid2);
6206 
6207 	/* clone */
6208 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, cloneid) == snapshotid3);
6209 	count = SPDK_COUNTOF(ids);
6210 	rc = spdk_blob_get_clones(bs, cloneid, ids, &count);
6211 	CU_ASSERT(rc == 0);
6212 	CU_ASSERT(count == 0);
6213 
6214 	/* snapshot3 */
6215 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, snapshotid3) == snapshotid2);
6216 	count = SPDK_COUNTOF(ids);
6217 	rc = spdk_blob_get_clones(bs, snapshotid3, ids, &count);
6218 	CU_ASSERT(rc == 0);
6219 	CU_ASSERT(count == 1);
6220 	CU_ASSERT(ids[0] == cloneid);
6221 
6222 	/* clone2 */
6223 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, cloneid2) == blobid);
6224 	count = SPDK_COUNTOF(ids);
6225 	rc = spdk_blob_get_clones(bs, cloneid2, ids, &count);
6226 	CU_ASSERT(rc == 0);
6227 	CU_ASSERT(count == 0);
6228 
6229 	/* Try to delete all blobs in the worse possible order */
6230 
6231 	spdk_bs_delete_blob(bs, snapshotid2, blob_op_complete, NULL);
6232 	poll_threads();
6233 	CU_ASSERT(g_bserrno != 0);
6234 
6235 	spdk_bs_delete_blob(bs, snapshotid3, blob_op_complete, NULL);
6236 	poll_threads();
6237 	CU_ASSERT(g_bserrno == 0);
6238 
6239 	spdk_bs_delete_blob(bs, snapshotid2, blob_op_complete, NULL);
6240 	poll_threads();
6241 	CU_ASSERT(g_bserrno != 0);
6242 
6243 	spdk_bs_delete_blob(bs, cloneid, blob_op_complete, NULL);
6244 	poll_threads();
6245 	CU_ASSERT(g_bserrno == 0);
6246 
6247 	spdk_bs_delete_blob(bs, snapshotid2, blob_op_complete, NULL);
6248 	poll_threads();
6249 	CU_ASSERT(g_bserrno == 0);
6250 
6251 	spdk_bs_delete_blob(bs, blobid, blob_op_complete, NULL);
6252 	poll_threads();
6253 	CU_ASSERT(g_bserrno == 0);
6254 
6255 	spdk_bs_delete_blob(bs, cloneid2, blob_op_complete, NULL);
6256 	poll_threads();
6257 	CU_ASSERT(g_bserrno == 0);
6258 
6259 	spdk_bs_unload(bs, bs_op_complete, NULL);
6260 	poll_threads();
6261 	CU_ASSERT(g_bserrno == 0);
6262 
6263 	g_bs = NULL;
6264 }
6265 
6266 static void
6267 blob_delete_snapshot_power_failure(void)
6268 {
6269 	struct spdk_blob_store *bs;
6270 	struct spdk_bs_dev *dev;
6271 	struct spdk_blob_opts opts;
6272 	struct spdk_blob *blob, *snapshot;
6273 	struct spdk_power_failure_thresholds thresholds = {};
6274 	spdk_blob_id blobid, snapshotid;
6275 	const void *value;
6276 	size_t value_len;
6277 	size_t count;
6278 	spdk_blob_id ids[3] = {};
6279 	int rc;
6280 	bool deleted = false;
6281 
6282 	dev = init_dev();
6283 
6284 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
6285 	poll_threads();
6286 	CU_ASSERT(g_bserrno == 0);
6287 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
6288 	bs = g_bs;
6289 
6290 	/* Create blob */
6291 	spdk_blob_opts_init(&opts);
6292 	opts.num_clusters = 10;
6293 
6294 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
6295 	poll_threads();
6296 	CU_ASSERT(g_bserrno == 0);
6297 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
6298 	blobid = g_blobid;
6299 
6300 	/* Create snapshot */
6301 	spdk_bs_create_snapshot(bs, blobid, NULL, blob_op_with_id_complete, NULL);
6302 	poll_threads();
6303 	CU_ASSERT(g_bserrno == 0);
6304 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
6305 	snapshotid = g_blobid;
6306 
6307 	thresholds.general_threshold = 1;
6308 	while (!deleted) {
6309 		dev_set_power_failure_thresholds(thresholds);
6310 
6311 		spdk_bs_delete_blob(bs, snapshotid, blob_op_complete, NULL);
6312 		poll_threads();
6313 		CU_ASSERT(g_bserrno != 0);
6314 
6315 		spdk_bs_unload(g_bs, bs_op_complete, NULL);
6316 		poll_threads();
6317 
6318 		dev_reset_power_failure_event();
6319 
6320 		dev = init_dev();
6321 		spdk_bs_load(dev, NULL, bs_op_with_handle_complete, NULL);
6322 		poll_threads();
6323 		CU_ASSERT(g_bserrno == 0);
6324 		SPDK_CU_ASSERT_FATAL(g_bs != NULL);
6325 		bs = g_bs;
6326 
6327 		spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
6328 		poll_threads();
6329 		CU_ASSERT(g_bserrno == 0);
6330 		SPDK_CU_ASSERT_FATAL(g_blob != NULL);
6331 		blob = g_blob;
6332 
6333 		spdk_bs_open_blob(bs, snapshotid, blob_op_with_handle_complete, NULL);
6334 		poll_threads();
6335 
6336 		if (g_bserrno == 0) {
6337 			SPDK_CU_ASSERT_FATAL(g_blob != NULL);
6338 			snapshot = g_blob;
6339 			CU_ASSERT(spdk_blob_get_parent_snapshot(bs, blobid) == snapshotid);
6340 			count = SPDK_COUNTOF(ids);
6341 			rc = spdk_blob_get_clones(bs, snapshotid, ids, &count);
6342 			CU_ASSERT(rc == 0);
6343 			CU_ASSERT(count == 1);
6344 			CU_ASSERT(ids[0] == blobid);
6345 			rc = spdk_blob_get_xattr_value(snapshot, SNAPSHOT_PENDING_REMOVAL, &value, &value_len);
6346 			CU_ASSERT(rc != 0);
6347 
6348 			spdk_blob_close(snapshot, blob_op_complete, NULL);
6349 			poll_threads();
6350 			CU_ASSERT(g_bserrno == 0);
6351 		} else {
6352 			CU_ASSERT(spdk_blob_get_parent_snapshot(bs, blobid) == SPDK_BLOBID_INVALID);
6353 			deleted = true;
6354 		}
6355 
6356 		spdk_blob_close(blob, blob_op_complete, NULL);
6357 		poll_threads();
6358 		CU_ASSERT(g_bserrno == 0);
6359 
6360 		/* Reload blobstore to have the same starting conditions (as the previous blobstore load
6361 		 * may trigger cleanup after power failure or may not) */
6362 		spdk_bs_unload(g_bs, bs_op_complete, NULL);
6363 		poll_threads();
6364 		CU_ASSERT(g_bserrno == 0);
6365 
6366 		dev = init_dev();
6367 		spdk_bs_load(dev, NULL, bs_op_with_handle_complete, NULL);
6368 		poll_threads();
6369 		CU_ASSERT(g_bserrno == 0);
6370 		SPDK_CU_ASSERT_FATAL(g_bs != NULL);
6371 		bs = g_bs;
6372 
6373 		thresholds.general_threshold++;
6374 	}
6375 
6376 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
6377 	poll_threads();
6378 	CU_ASSERT(g_bserrno == 0);
6379 	g_bs = NULL;
6380 }
6381 
6382 static void
6383 blob_create_snapshot_power_failure(void)
6384 {
6385 	struct spdk_blob_store *bs;
6386 	struct spdk_bs_dev *dev;
6387 	struct spdk_blob_opts opts;
6388 	struct spdk_blob *blob, *snapshot;
6389 	struct spdk_power_failure_thresholds thresholds = {};
6390 	spdk_blob_id blobid, snapshotid;
6391 	const void *value;
6392 	size_t value_len;
6393 	size_t count;
6394 	spdk_blob_id ids[3] = {};
6395 	int rc;
6396 	bool created = false;
6397 
6398 	dev = init_dev();
6399 
6400 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
6401 	poll_threads();
6402 	CU_ASSERT(g_bserrno == 0);
6403 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
6404 	bs = g_bs;
6405 
6406 	/* Create blob */
6407 	spdk_blob_opts_init(&opts);
6408 	opts.num_clusters = 10;
6409 
6410 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
6411 	poll_threads();
6412 	CU_ASSERT(g_bserrno == 0);
6413 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
6414 	blobid = g_blobid;
6415 
6416 	thresholds.general_threshold = 1;
6417 	while (!created) {
6418 		dev_set_power_failure_thresholds(thresholds);
6419 
6420 		/* Create snapshot */
6421 		spdk_bs_create_snapshot(bs, blobid, NULL, blob_op_with_id_complete, NULL);
6422 		poll_threads();
6423 		CU_ASSERT(g_bserrno != 0);
6424 		snapshotid = g_blobid;
6425 
6426 		spdk_bs_unload(g_bs, bs_op_complete, NULL);
6427 		poll_threads();
6428 
6429 		dev_reset_power_failure_event();
6430 
6431 		dev = init_dev();
6432 		spdk_bs_load(dev, NULL, bs_op_with_handle_complete, NULL);
6433 		poll_threads();
6434 		CU_ASSERT(g_bserrno == 0);
6435 		SPDK_CU_ASSERT_FATAL(g_bs != NULL);
6436 		bs = g_bs;
6437 
6438 		spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
6439 		poll_threads();
6440 		CU_ASSERT(g_bserrno == 0);
6441 		SPDK_CU_ASSERT_FATAL(g_blob != NULL);
6442 		blob = g_blob;
6443 
6444 		if (snapshotid != SPDK_BLOBID_INVALID) {
6445 			spdk_bs_open_blob(bs, snapshotid, blob_op_with_handle_complete, NULL);
6446 			poll_threads();
6447 		}
6448 
6449 		if ((snapshotid != SPDK_BLOBID_INVALID) && (g_bserrno == 0)) {
6450 			SPDK_CU_ASSERT_FATAL(g_blob != NULL);
6451 			snapshot = g_blob;
6452 			CU_ASSERT(spdk_blob_get_parent_snapshot(bs, blobid) == snapshotid);
6453 			count = SPDK_COUNTOF(ids);
6454 			rc = spdk_blob_get_clones(bs, snapshotid, ids, &count);
6455 			CU_ASSERT(rc == 0);
6456 			CU_ASSERT(count == 1);
6457 			CU_ASSERT(ids[0] == blobid);
6458 			rc = spdk_blob_get_xattr_value(snapshot, SNAPSHOT_IN_PROGRESS, &value, &value_len);
6459 			CU_ASSERT(rc != 0);
6460 
6461 			spdk_blob_close(snapshot, blob_op_complete, NULL);
6462 			poll_threads();
6463 			CU_ASSERT(g_bserrno == 0);
6464 			created = true;
6465 		} else {
6466 			CU_ASSERT(spdk_blob_get_parent_snapshot(bs, blobid) == SPDK_BLOBID_INVALID);
6467 			CU_ASSERT(!(blob->invalid_flags & SPDK_BLOB_THIN_PROV));
6468 		}
6469 
6470 		spdk_blob_close(blob, blob_op_complete, NULL);
6471 		poll_threads();
6472 		CU_ASSERT(g_bserrno == 0);
6473 
6474 		/* Reload blobstore to have the same starting conditions (as the previous blobstore load
6475 		 * may trigger cleanup after power failure or may not) */
6476 		spdk_bs_unload(g_bs, bs_op_complete, NULL);
6477 		poll_threads();
6478 		CU_ASSERT(g_bserrno == 0);
6479 
6480 		dev = init_dev();
6481 		spdk_bs_load(dev, NULL, bs_op_with_handle_complete, NULL);
6482 		poll_threads();
6483 		CU_ASSERT(g_bserrno == 0);
6484 		SPDK_CU_ASSERT_FATAL(g_bs != NULL);
6485 		bs = g_bs;
6486 
6487 		thresholds.general_threshold++;
6488 	}
6489 
6490 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
6491 	poll_threads();
6492 	CU_ASSERT(g_bserrno == 0);
6493 	g_bs = NULL;
6494 }
6495 
6496 static void
6497 test_io_write(struct spdk_bs_dev *dev, struct spdk_blob *blob, struct spdk_io_channel *channel)
6498 {
6499 	uint8_t payload_ff[64 * 512];
6500 	uint8_t payload_aa[64 * 512];
6501 	uint8_t payload_00[64 * 512];
6502 	uint8_t *cluster0, *cluster1;
6503 
6504 	memset(payload_ff, 0xFF, sizeof(payload_ff));
6505 	memset(payload_aa, 0xAA, sizeof(payload_aa));
6506 	memset(payload_00, 0x00, sizeof(payload_00));
6507 
6508 	/* Try to perform I/O with io unit = 512 */
6509 	spdk_blob_io_write(blob, channel, payload_ff, 0, 1, blob_op_complete, NULL);
6510 	poll_threads();
6511 	CU_ASSERT(g_bserrno == 0);
6512 
6513 	/* If thin provisioned is set cluster should be allocated now */
6514 	SPDK_CU_ASSERT_FATAL(blob->active.clusters[0] != 0);
6515 	cluster0 = &g_dev_buffer[blob->active.clusters[0] * dev->blocklen];
6516 
6517 	/* Each character 0-F symbolizes single io_unit containing 512 bytes block filled with that character.
6518 	* Each page is separated by |. Whole block [...] symbolizes one cluster (containing 4 pages). */
6519 	/* cluster0: [ F000 0000 | 0000 0000 | 0000 0000 | 0000 0000 ] */
6520 	CU_ASSERT(memcmp(cluster0 + 0 * 512, payload_ff, 512) == 0);
6521 	CU_ASSERT(memcmp(cluster0 + 1 * 512, payload_00, 31 * 512) == 0);
6522 
6523 	/* Verify write with offset on first page */
6524 	spdk_blob_io_write(blob, channel, payload_ff, 2, 1, blob_op_complete, NULL);
6525 	poll_threads();
6526 	CU_ASSERT(g_bserrno == 0);
6527 
6528 	/* cluster0: [ F0F0 0000 | 0000 0000 | 0000 0000 | 0000 0000 ] */
6529 	CU_ASSERT(memcmp(cluster0 + 0 * 512, payload_ff, 512) == 0);
6530 	CU_ASSERT(memcmp(cluster0 + 1 * 512, payload_00, 512) == 0);
6531 	CU_ASSERT(memcmp(cluster0 + 2 * 512, payload_ff, 512) == 0);
6532 	CU_ASSERT(memcmp(cluster0 + 3 * 512, payload_00, 512) == 0);
6533 	CU_ASSERT(memcmp(cluster0 + 4 * 512, payload_00, 28 * 512) == 0);
6534 
6535 	/* Verify write with offset on first page */
6536 	spdk_blob_io_write(blob, channel, payload_ff, 4, 4, blob_op_complete, NULL);
6537 	poll_threads();
6538 
6539 	/* cluster0: [ F0F0 FFFF | 0000 0000 | 0000 0000 | 0000 0000 ] */
6540 	CU_ASSERT(memcmp(cluster0 + 0 * 512, payload_ff, 512) == 0);
6541 	CU_ASSERT(memcmp(cluster0 + 1 * 512, payload_00, 512) == 0);
6542 	CU_ASSERT(memcmp(cluster0 + 2 * 512, payload_ff, 512) == 0);
6543 	CU_ASSERT(memcmp(cluster0 + 3 * 512, payload_00, 512) == 0);
6544 	CU_ASSERT(memcmp(cluster0 + 4 * 512, payload_ff, 4 * 512) == 0);
6545 	CU_ASSERT(memcmp(cluster0 + 8 * 512, payload_00, 24 * 512) == 0);
6546 
6547 	/* Verify write with offset on second page */
6548 	spdk_blob_io_write(blob, channel, payload_ff, 8, 4, blob_op_complete, NULL);
6549 	poll_threads();
6550 
6551 	/* cluster0: [ F0F0 FFFF | FFFF 0000 | 0000 0000 | 0000 0000 ] */
6552 	CU_ASSERT(memcmp(cluster0 + 0 * 512, payload_ff, 512) == 0);
6553 	CU_ASSERT(memcmp(cluster0 + 1 * 512, payload_00, 512) == 0);
6554 	CU_ASSERT(memcmp(cluster0 + 2 * 512, payload_ff, 512) == 0);
6555 	CU_ASSERT(memcmp(cluster0 + 3 * 512, payload_00, 512) == 0);
6556 	CU_ASSERT(memcmp(cluster0 + 4 * 512, payload_ff, 8 * 512) == 0);
6557 	CU_ASSERT(memcmp(cluster0 + 12 * 512, payload_00, 20 * 512) == 0);
6558 
6559 	/* Verify write across multiple pages */
6560 	spdk_blob_io_write(blob, channel, payload_aa, 4, 8, blob_op_complete, NULL);
6561 	poll_threads();
6562 
6563 	/* cluster0: [ F0F0 AAAA | AAAA 0000 | 0000 0000 | 0000 0000 ] */
6564 	CU_ASSERT(memcmp(cluster0 + 0 * 512, payload_ff, 512) == 0);
6565 	CU_ASSERT(memcmp(cluster0 + 1 * 512, payload_00, 512) == 0);
6566 	CU_ASSERT(memcmp(cluster0 + 2 * 512, payload_ff, 512) == 0);
6567 	CU_ASSERT(memcmp(cluster0 + 3 * 512, payload_00, 512) == 0);
6568 	CU_ASSERT(memcmp(cluster0 + 4 * 512, payload_aa, 8 * 512) == 0);
6569 	CU_ASSERT(memcmp(cluster0 + 12 * 512, payload_00, 20 * 512) == 0);
6570 
6571 	/* Verify write across multiple clusters */
6572 	spdk_blob_io_write(blob, channel, payload_ff, 28, 8, blob_op_complete, NULL);
6573 	poll_threads();
6574 
6575 	SPDK_CU_ASSERT_FATAL(blob->active.clusters[1] != 0);
6576 	cluster1 = &g_dev_buffer[blob->active.clusters[1] * dev->blocklen];
6577 
6578 	/* cluster0: [ F0F0 AAAA | AAAA 0000 | 0000 0000 | 0000 FFFF ]
6579 	 * cluster1: [ FFFF 0000 | 0000 0000 | 0000 0000 | 0000 0000 ] */
6580 	CU_ASSERT(memcmp(cluster0 + 0 * 512, payload_ff, 512) == 0);
6581 	CU_ASSERT(memcmp(cluster0 + 1 * 512, payload_00, 512) == 0);
6582 	CU_ASSERT(memcmp(cluster0 + 2 * 512, payload_ff, 512) == 0);
6583 	CU_ASSERT(memcmp(cluster0 + 3 * 512, payload_00, 512) == 0);
6584 	CU_ASSERT(memcmp(cluster0 + 4 * 512, payload_aa, 8 * 512) == 0);
6585 	CU_ASSERT(memcmp(cluster0 + 28 * 512, payload_ff, 4 * 512) == 0);
6586 
6587 	CU_ASSERT(memcmp(cluster1 + 0 * 512, payload_ff, 4 * 512) == 0);
6588 	CU_ASSERT(memcmp(cluster1 + 4 * 512, payload_00, 28 * 512) == 0);
6589 
6590 	/* Verify write to second cluster */
6591 	spdk_blob_io_write(blob, channel, payload_ff, 32 + 12, 2, blob_op_complete, NULL);
6592 	poll_threads();
6593 
6594 	SPDK_CU_ASSERT_FATAL(blob->active.clusters[1] != 0);
6595 	cluster1 = &g_dev_buffer[blob->active.clusters[1] * dev->blocklen];
6596 
6597 	/* cluster0: [ F0F0 AAAA | AAAA 0000 | 0000 0000 | 0000 FFFF ]
6598 	 * cluster1: [ FFFF 0000 | 0000 FF00 | 0000 0000 | 0000 0000 ] */
6599 	CU_ASSERT(memcmp(cluster0 + 0 * 512, payload_ff, 512) == 0);
6600 	CU_ASSERT(memcmp(cluster0 + 1 * 512, payload_00, 512) == 0);
6601 	CU_ASSERT(memcmp(cluster0 + 2 * 512, payload_ff, 512) == 0);
6602 	CU_ASSERT(memcmp(cluster0 + 3 * 512, payload_00, 512) == 0);
6603 	CU_ASSERT(memcmp(cluster0 + 4 * 512, payload_aa, 8 * 512) == 0);
6604 	CU_ASSERT(memcmp(cluster0 + 28 * 512, payload_ff, 4 * 512) == 0);
6605 
6606 	CU_ASSERT(memcmp(cluster1 + 0 * 512, payload_ff, 4 * 512) == 0);
6607 	CU_ASSERT(memcmp(cluster1 + 4 * 512, payload_00, 8 * 512) == 0);
6608 	CU_ASSERT(memcmp(cluster1 + 12 * 512, payload_ff, 2 * 512) == 0);
6609 	CU_ASSERT(memcmp(cluster1 + 14 * 512, payload_00, 18 * 512) == 0);
6610 }
6611 
6612 static void
6613 test_io_read(struct spdk_bs_dev *dev, struct spdk_blob *blob, struct spdk_io_channel *channel)
6614 {
6615 	uint8_t payload_read[64 * 512];
6616 	uint8_t payload_ff[64 * 512];
6617 	uint8_t payload_aa[64 * 512];
6618 	uint8_t payload_00[64 * 512];
6619 
6620 	memset(payload_ff, 0xFF, sizeof(payload_ff));
6621 	memset(payload_aa, 0xAA, sizeof(payload_aa));
6622 	memset(payload_00, 0x00, sizeof(payload_00));
6623 
6624 	/* Read only first io unit */
6625 	/* cluster0: [ (F)0F0 AAAA | AAAA 0000 | 0000 0000 | 0000 FFFF ]
6626 	 * cluster1: [ FFFF 0000 | 0000 FF00 | 0000 0000 | 0000 0000 ]
6627 	 * payload_read: F000 0000 | 0000 0000 ... */
6628 	memset(payload_read, 0x00, sizeof(payload_read));
6629 	spdk_blob_io_read(blob, channel, payload_read, 0, 1, blob_op_complete, NULL);
6630 	poll_threads();
6631 	CU_ASSERT(g_bserrno == 0);
6632 	CU_ASSERT(memcmp(payload_read + 0 * 512, payload_ff, 512) == 0);
6633 	CU_ASSERT(memcmp(payload_read + 1 * 512, payload_00, 31 * 512) == 0);
6634 
6635 	/* Read four io_units starting from offset = 2
6636 	 * cluster0: [ F0(F0 AA)AA | AAAA 0000 | 0000 0000 | 0000 FFFF ]
6637 	 * cluster1: [ FFFF 0000 | 0000 FF00 | 0000 0000 | 0000 0000 ]
6638 	 * payload_read: F0AA 0000 | 0000 0000 ... */
6639 
6640 	memset(payload_read, 0x00, sizeof(payload_read));
6641 	spdk_blob_io_read(blob, channel, payload_read, 2, 4, blob_op_complete, NULL);
6642 	poll_threads();
6643 	CU_ASSERT(g_bserrno == 0);
6644 
6645 	CU_ASSERT(memcmp(payload_read + 0 * 512, payload_ff, 512) == 0);
6646 	CU_ASSERT(memcmp(payload_read + 1 * 512, payload_00, 512) == 0);
6647 	CU_ASSERT(memcmp(payload_read + 2 * 512, payload_aa, 512) == 0);
6648 	CU_ASSERT(memcmp(payload_read + 3 * 512, payload_aa, 512) == 0);
6649 	CU_ASSERT(memcmp(payload_read + 4 * 512, payload_00, 28 * 512) == 0);
6650 
6651 	/* Read eight io_units across multiple pages
6652 	 * cluster0: [ F0F0 (AAAA | AAAA) 0000 | 0000 0000 | 0000 FFFF ]
6653 	 * cluster1: [ FFFF 0000 | 0000 FF00 | 0000 0000 | 0000 0000 ]
6654 	 * payload_read: AAAA AAAA | 0000 0000 ... */
6655 	memset(payload_read, 0x00, sizeof(payload_read));
6656 	spdk_blob_io_read(blob, channel, payload_read, 4, 8, blob_op_complete, NULL);
6657 	poll_threads();
6658 	CU_ASSERT(g_bserrno == 0);
6659 
6660 	CU_ASSERT(memcmp(payload_read + 0 * 512, payload_aa, 8 * 512) == 0);
6661 	CU_ASSERT(memcmp(payload_read + 8 * 512, payload_00, 24 * 512) == 0);
6662 
6663 	/* Read eight io_units across multiple clusters
6664 	 * cluster0: [ F0F0 AAAA | AAAA 0000 | 0000 0000 | 0000 (FFFF ]
6665 	 * cluster1: [ FFFF) 0000 | 0000 FF00 | 0000 0000 | 0000 0000 ]
6666 	 * payload_read: FFFF FFFF | 0000 0000 ... */
6667 	memset(payload_read, 0x00, sizeof(payload_read));
6668 	spdk_blob_io_read(blob, channel, payload_read, 28, 8, blob_op_complete, NULL);
6669 	poll_threads();
6670 	CU_ASSERT(g_bserrno == 0);
6671 
6672 	CU_ASSERT(memcmp(payload_read + 0 * 512, payload_ff, 8 * 512) == 0);
6673 	CU_ASSERT(memcmp(payload_read + 8 * 512, payload_00, 24 * 512) == 0);
6674 
6675 	/* Read four io_units from second cluster
6676 	 * cluster0: [ F0F0 AAAA | AAAA 0000 | 0000 0000 | 0000 FFFF ]
6677 	 * cluster1: [ FFFF 0000 | 00(00 FF)00 | 0000 0000 | 0000 0000 ]
6678 	 * payload_read: 00FF 0000 | 0000 0000 ... */
6679 	memset(payload_read, 0x00, sizeof(payload_read));
6680 	spdk_blob_io_read(blob, channel, payload_read, 32 + 10, 4, blob_op_complete, NULL);
6681 	poll_threads();
6682 	CU_ASSERT(g_bserrno == 0);
6683 
6684 	CU_ASSERT(memcmp(payload_read + 0 * 512, payload_00, 2 * 512) == 0);
6685 	CU_ASSERT(memcmp(payload_read + 2 * 512, payload_ff, 2 * 512) == 0);
6686 	CU_ASSERT(memcmp(payload_read + 4 * 512, payload_00, 28 * 512) == 0);
6687 
6688 	/* Read second cluster
6689 	 * cluster0: [ F0F0 AAAA | AAAA 0000 | 0000 0000 | 0000 FFFF ]
6690 	 * cluster1: [ (FFFF 0000 | 0000 FF00 | 0000 0000 | 0000 0000) ]
6691 	 * payload_read: FFFF 0000 | 0000 FF00 ... */
6692 	memset(payload_read, 0x00, sizeof(payload_read));
6693 	spdk_blob_io_read(blob, channel, payload_read, 32, 32, blob_op_complete, NULL);
6694 	poll_threads();
6695 	CU_ASSERT(g_bserrno == 0);
6696 	CU_ASSERT(memcmp(payload_read + 0 * 512, payload_ff, 4 * 512) == 0);
6697 	CU_ASSERT(memcmp(payload_read + 4 * 512, payload_00, 8 * 512) == 0);
6698 	CU_ASSERT(memcmp(payload_read + 12 * 512, payload_ff, 2 * 512) == 0);
6699 	CU_ASSERT(memcmp(payload_read + 14 * 512, payload_00, 18 * 512) == 0);
6700 
6701 	/* Read whole two clusters
6702 	 * cluster0: [ (F0F0 AAAA | AAAA) 0000 | 0000 0000 | 0000 FFFF ]
6703 	 * cluster1: [ FFFF 0000 | 0000 FF00 | 0000 0000 | 0000 0000) ] */
6704 	memset(payload_read, 0x00, sizeof(payload_read));
6705 	spdk_blob_io_read(blob, channel, payload_read, 0, 64, blob_op_complete, NULL);
6706 	poll_threads();
6707 	CU_ASSERT(g_bserrno == 0);
6708 
6709 	CU_ASSERT(memcmp(payload_read + 0 * 512, payload_ff, 512) == 0);
6710 	CU_ASSERT(memcmp(payload_read + 1 * 512, payload_00, 512) == 0);
6711 	CU_ASSERT(memcmp(payload_read + 2 * 512, payload_ff, 512) == 0);
6712 	CU_ASSERT(memcmp(payload_read + 3 * 512, payload_00, 512) == 0);
6713 	CU_ASSERT(memcmp(payload_read + 4 * 512, payload_aa, 8 * 512) == 0);
6714 	CU_ASSERT(memcmp(payload_read + 28 * 512, payload_ff, 4 * 512) == 0);
6715 
6716 	CU_ASSERT(memcmp(payload_read + (32 + 0) * 512, payload_ff, 4 * 512) == 0);
6717 	CU_ASSERT(memcmp(payload_read + (32 + 4) * 512, payload_00, 8 * 512) == 0);
6718 	CU_ASSERT(memcmp(payload_read + (32 + 12) * 512, payload_ff, 2 * 512) == 0);
6719 	CU_ASSERT(memcmp(payload_read + (32 + 14) * 512, payload_00, 18 * 512) == 0);
6720 }
6721 
6722 
6723 static void
6724 test_io_unmap(struct spdk_bs_dev *dev, struct spdk_blob *blob, struct spdk_io_channel *channel)
6725 {
6726 	uint8_t payload_ff[64 * 512];
6727 	uint8_t payload_aa[64 * 512];
6728 	uint8_t payload_00[64 * 512];
6729 	uint8_t *cluster0, *cluster1;
6730 
6731 	memset(payload_ff, 0xFF, sizeof(payload_ff));
6732 	memset(payload_aa, 0xAA, sizeof(payload_aa));
6733 	memset(payload_00, 0x00, sizeof(payload_00));
6734 
6735 	cluster0 = &g_dev_buffer[blob->active.clusters[0] * dev->blocklen];
6736 	cluster1 = &g_dev_buffer[blob->active.clusters[1] * dev->blocklen];
6737 
6738 	/* Unmap */
6739 	spdk_blob_io_unmap(blob, channel, 0, 64, blob_op_complete, NULL);
6740 	poll_threads();
6741 
6742 	CU_ASSERT(g_bserrno == 0);
6743 
6744 	CU_ASSERT(memcmp(cluster0 + 0 * 512, payload_00, 32 * 512) == 0);
6745 	CU_ASSERT(memcmp(cluster1 + 0 * 512, payload_00, 32 * 512) == 0);
6746 }
6747 
6748 static void
6749 test_io_zeroes(struct spdk_bs_dev *dev, struct spdk_blob *blob, struct spdk_io_channel *channel)
6750 {
6751 	uint8_t payload_ff[64 * 512];
6752 	uint8_t payload_aa[64 * 512];
6753 	uint8_t payload_00[64 * 512];
6754 	uint8_t *cluster0, *cluster1;
6755 
6756 	memset(payload_ff, 0xFF, sizeof(payload_ff));
6757 	memset(payload_aa, 0xAA, sizeof(payload_aa));
6758 	memset(payload_00, 0x00, sizeof(payload_00));
6759 
6760 	cluster0 = &g_dev_buffer[blob->active.clusters[0] * dev->blocklen];
6761 	cluster1 = &g_dev_buffer[blob->active.clusters[1] * dev->blocklen];
6762 
6763 	/* Write zeroes  */
6764 	spdk_blob_io_write_zeroes(blob, channel, 0, 64, blob_op_complete, NULL);
6765 	poll_threads();
6766 
6767 	CU_ASSERT(g_bserrno == 0);
6768 
6769 	CU_ASSERT(memcmp(cluster0 + 0 * 512, payload_00, 32 * 512) == 0);
6770 	CU_ASSERT(memcmp(cluster1 + 0 * 512, payload_00, 32 * 512) == 0);
6771 }
6772 
6773 
6774 static void
6775 test_iov_write(struct spdk_bs_dev *dev, struct spdk_blob *blob, struct spdk_io_channel *channel)
6776 {
6777 	uint8_t payload_ff[64 * 512];
6778 	uint8_t payload_aa[64 * 512];
6779 	uint8_t payload_00[64 * 512];
6780 	uint8_t *cluster0, *cluster1;
6781 	struct iovec iov[4];
6782 
6783 	memset(payload_ff, 0xFF, sizeof(payload_ff));
6784 	memset(payload_aa, 0xAA, sizeof(payload_aa));
6785 	memset(payload_00, 0x00, sizeof(payload_00));
6786 
6787 	/* Try to perform I/O with io unit = 512 */
6788 	iov[0].iov_base = payload_ff;
6789 	iov[0].iov_len = 1 * 512;
6790 	spdk_blob_io_writev(blob, channel, iov, 1, 0, 1, blob_op_complete, NULL);
6791 	poll_threads();
6792 	CU_ASSERT(g_bserrno == 0);
6793 
6794 	/* If thin provisioned is set cluster should be allocated now */
6795 	SPDK_CU_ASSERT_FATAL(blob->active.clusters[0] != 0);
6796 	cluster0 = &g_dev_buffer[blob->active.clusters[0] * dev->blocklen];
6797 
6798 	/* Each character 0-F symbolizes single io_unit containing 512 bytes block filled with that character.
6799 	* Each page is separated by |. Whole block [...] symbolizes one cluster (containing 4 pages). */
6800 	/* cluster0: [ F000 0000 | 0000 0000 | 0000 0000 | 0000 0000 ] */
6801 	CU_ASSERT(memcmp(cluster0 + 0 * 512, payload_ff, 512) == 0);
6802 	CU_ASSERT(memcmp(cluster0 + 1 * 512, payload_00, 31 * 512) == 0);
6803 
6804 	/* Verify write with offset on first page */
6805 	iov[0].iov_base = payload_ff;
6806 	iov[0].iov_len = 1 * 512;
6807 	spdk_blob_io_writev(blob, channel, iov, 1, 2, 1, blob_op_complete, NULL);
6808 	poll_threads();
6809 	CU_ASSERT(g_bserrno == 0);
6810 
6811 	/* cluster0: [ F0F0 0000 | 0000 0000 | 0000 0000 | 0000 0000 ] */
6812 	CU_ASSERT(memcmp(cluster0 + 0 * 512, payload_ff, 512) == 0);
6813 	CU_ASSERT(memcmp(cluster0 + 1 * 512, payload_00, 512) == 0);
6814 	CU_ASSERT(memcmp(cluster0 + 2 * 512, payload_ff, 512) == 0);
6815 	CU_ASSERT(memcmp(cluster0 + 3 * 512, payload_00, 512) == 0);
6816 	CU_ASSERT(memcmp(cluster0 + 4 * 512, payload_00, 28 * 512) == 0);
6817 
6818 	/* Verify write with offset on first page */
6819 	iov[0].iov_base = payload_ff;
6820 	iov[0].iov_len = 4 * 512;
6821 	spdk_blob_io_writev(blob, channel, iov, 1, 4, 4, blob_op_complete, NULL);
6822 	poll_threads();
6823 
6824 	/* cluster0: [ F0F0 FFFF | 0000 0000 | 0000 0000 | 0000 0000 ] */
6825 	CU_ASSERT(memcmp(cluster0 + 0 * 512, payload_ff, 512) == 0);
6826 	CU_ASSERT(memcmp(cluster0 + 1 * 512, payload_00, 512) == 0);
6827 	CU_ASSERT(memcmp(cluster0 + 2 * 512, payload_ff, 512) == 0);
6828 	CU_ASSERT(memcmp(cluster0 + 3 * 512, payload_00, 512) == 0);
6829 	CU_ASSERT(memcmp(cluster0 + 4 * 512, payload_ff, 4 * 512) == 0);
6830 	CU_ASSERT(memcmp(cluster0 + 8 * 512, payload_00, 24 * 512) == 0);
6831 
6832 	/* Verify write with offset on second page */
6833 	iov[0].iov_base = payload_ff;
6834 	iov[0].iov_len = 4 * 512;
6835 	spdk_blob_io_writev(blob, channel, iov, 1, 8, 4, blob_op_complete, NULL);
6836 	poll_threads();
6837 
6838 	/* cluster0: [ F0F0 FFFF | FFFF 0000 | 0000 0000 | 0000 0000 ] */
6839 	CU_ASSERT(memcmp(cluster0 + 0 * 512, payload_ff, 512) == 0);
6840 	CU_ASSERT(memcmp(cluster0 + 1 * 512, payload_00, 512) == 0);
6841 	CU_ASSERT(memcmp(cluster0 + 2 * 512, payload_ff, 512) == 0);
6842 	CU_ASSERT(memcmp(cluster0 + 3 * 512, payload_00, 512) == 0);
6843 	CU_ASSERT(memcmp(cluster0 + 4 * 512, payload_ff, 8 * 512) == 0);
6844 	CU_ASSERT(memcmp(cluster0 + 12 * 512, payload_00, 20 * 512) == 0);
6845 
6846 	/* Verify write across multiple pages */
6847 	iov[0].iov_base = payload_aa;
6848 	iov[0].iov_len = 8 * 512;
6849 	spdk_blob_io_writev(blob, channel, iov, 1, 4, 8, blob_op_complete, NULL);
6850 	poll_threads();
6851 
6852 	/* cluster0: [ F0F0 AAAA | AAAA 0000 | 0000 0000 | 0000 0000 ] */
6853 	CU_ASSERT(memcmp(cluster0 + 0 * 512, payload_ff, 512) == 0);
6854 	CU_ASSERT(memcmp(cluster0 + 1 * 512, payload_00, 512) == 0);
6855 	CU_ASSERT(memcmp(cluster0 + 2 * 512, payload_ff, 512) == 0);
6856 	CU_ASSERT(memcmp(cluster0 + 3 * 512, payload_00, 512) == 0);
6857 	CU_ASSERT(memcmp(cluster0 + 4 * 512, payload_aa, 8 * 512) == 0);
6858 	CU_ASSERT(memcmp(cluster0 + 12 * 512, payload_00, 20 * 512) == 0);
6859 
6860 	/* Verify write across multiple clusters */
6861 
6862 	iov[0].iov_base = payload_ff;
6863 	iov[0].iov_len = 8 * 512;
6864 	spdk_blob_io_writev(blob, channel, iov, 1, 28, 8, blob_op_complete, NULL);
6865 	poll_threads();
6866 
6867 	SPDK_CU_ASSERT_FATAL(blob->active.clusters[1] != 0);
6868 	cluster1 = &g_dev_buffer[blob->active.clusters[1] * dev->blocklen];
6869 
6870 	/* cluster0: [ F0F0 AAAA | AAAA 0000 | 0000 0000 | 0000 FFFF ]
6871 	 * cluster1: [ FFFF 0000 | 0000 0000 | 0000 0000 | 0000 0000 ] */
6872 	CU_ASSERT(memcmp(cluster0 + 0 * 512, payload_ff, 512) == 0);
6873 	CU_ASSERT(memcmp(cluster0 + 1 * 512, payload_00, 512) == 0);
6874 	CU_ASSERT(memcmp(cluster0 + 2 * 512, payload_ff, 512) == 0);
6875 	CU_ASSERT(memcmp(cluster0 + 3 * 512, payload_00, 512) == 0);
6876 	CU_ASSERT(memcmp(cluster0 + 4 * 512, payload_aa, 8 * 512) == 0);
6877 	CU_ASSERT(memcmp(cluster0 + 12 * 512, payload_00, 16 * 512) == 0);
6878 	CU_ASSERT(memcmp(cluster0 + 28 * 512, payload_ff, 4 * 512) == 0);
6879 
6880 	CU_ASSERT(memcmp(cluster1 + 0 * 512, payload_ff, 4 * 512) == 0);
6881 	CU_ASSERT(memcmp(cluster1 + 4 * 512, payload_00, 28 * 512) == 0);
6882 
6883 	/* Verify write to second cluster */
6884 
6885 	iov[0].iov_base = payload_ff;
6886 	iov[0].iov_len = 2 * 512;
6887 	spdk_blob_io_writev(blob, channel, iov, 1, 32 + 12, 2, blob_op_complete, NULL);
6888 	poll_threads();
6889 
6890 	SPDK_CU_ASSERT_FATAL(blob->active.clusters[1] != 0);
6891 	cluster1 = &g_dev_buffer[blob->active.clusters[1] * dev->blocklen];
6892 
6893 	/* cluster0: [ F0F0 AAAA | AAAA 0000 | 0000 0000 | 0000 FFFF ]
6894 	 * cluster1: [ FFFF 0000 | 0000 FF00 | 0000 0000 | 0000 0000 ] */
6895 	CU_ASSERT(memcmp(cluster0 + 0 * 512, payload_ff, 512) == 0);
6896 	CU_ASSERT(memcmp(cluster0 + 1 * 512, payload_00, 512) == 0);
6897 	CU_ASSERT(memcmp(cluster0 + 2 * 512, payload_ff, 512) == 0);
6898 	CU_ASSERT(memcmp(cluster0 + 3 * 512, payload_00, 512) == 0);
6899 	CU_ASSERT(memcmp(cluster0 + 4 * 512, payload_aa, 8 * 512) == 0);
6900 	CU_ASSERT(memcmp(cluster0 + 28 * 512, payload_ff, 4 * 512) == 0);
6901 
6902 	CU_ASSERT(memcmp(cluster1 + 0 * 512, payload_ff, 4 * 512) == 0);
6903 	CU_ASSERT(memcmp(cluster1 + 4 * 512, payload_00, 8 * 512) == 0);
6904 	CU_ASSERT(memcmp(cluster1 + 12 * 512, payload_ff, 2 * 512) == 0);
6905 	CU_ASSERT(memcmp(cluster1 + 14 * 512, payload_00, 18 * 512) == 0);
6906 }
6907 
6908 static void
6909 test_iov_read(struct spdk_bs_dev *dev, struct spdk_blob *blob, struct spdk_io_channel *channel)
6910 {
6911 	uint8_t payload_read[64 * 512];
6912 	uint8_t payload_ff[64 * 512];
6913 	uint8_t payload_aa[64 * 512];
6914 	uint8_t payload_00[64 * 512];
6915 	struct iovec iov[4];
6916 
6917 	memset(payload_ff, 0xFF, sizeof(payload_ff));
6918 	memset(payload_aa, 0xAA, sizeof(payload_aa));
6919 	memset(payload_00, 0x00, sizeof(payload_00));
6920 
6921 	/* Read only first io unit */
6922 	/* cluster0: [ (F)0F0 AAAA | AAAA 0000 | 0000 0000 | 0000 FFFF ]
6923 	 * cluster1: [ FFFF 0000 | 0000 FF00 | 0000 0000 | 0000 0000 ]
6924 	 * payload_read: F000 0000 | 0000 0000 ... */
6925 	memset(payload_read, 0x00, sizeof(payload_read));
6926 	iov[0].iov_base = payload_read;
6927 	iov[0].iov_len = 1 * 512;
6928 	spdk_blob_io_readv(blob, channel, iov, 1, 0, 1, blob_op_complete, NULL);
6929 	poll_threads();
6930 
6931 	CU_ASSERT(g_bserrno == 0);
6932 	CU_ASSERT(memcmp(payload_read + 0 * 512, payload_ff, 512) == 0);
6933 	CU_ASSERT(memcmp(payload_read + 1 * 512, payload_00, 31 * 512) == 0);
6934 
6935 	/* Read four io_units starting from offset = 2
6936 	 * cluster0: [ F0(F0 AA)AA | AAAA 0000 | 0000 0000 | 0000 FFFF ]
6937 	 * cluster1: [ FFFF 0000 | 0000 FF00 | 0000 0000 | 0000 0000 ]
6938 	 * payload_read: F0AA 0000 | 0000 0000 ... */
6939 
6940 	memset(payload_read, 0x00, sizeof(payload_read));
6941 	iov[0].iov_base = payload_read;
6942 	iov[0].iov_len = 4 * 512;
6943 	spdk_blob_io_readv(blob, channel, iov, 1, 2, 4, blob_op_complete, NULL);
6944 	poll_threads();
6945 	CU_ASSERT(g_bserrno == 0);
6946 
6947 	CU_ASSERT(memcmp(payload_read + 0 * 512, payload_ff, 512) == 0);
6948 	CU_ASSERT(memcmp(payload_read + 1 * 512, payload_00, 512) == 0);
6949 	CU_ASSERT(memcmp(payload_read + 2 * 512, payload_aa, 512) == 0);
6950 	CU_ASSERT(memcmp(payload_read + 3 * 512, payload_aa, 512) == 0);
6951 	CU_ASSERT(memcmp(payload_read + 4 * 512, payload_00, 28 * 512) == 0);
6952 
6953 	/* Read eight io_units across multiple pages
6954 	 * cluster0: [ F0F0 (AAAA | AAAA) 0000 | 0000 0000 | 0000 FFFF ]
6955 	 * cluster1: [ FFFF 0000 | 0000 FF00 | 0000 0000 | 0000 0000 ]
6956 	 * payload_read: AAAA AAAA | 0000 0000 ... */
6957 	memset(payload_read, 0x00, sizeof(payload_read));
6958 	iov[0].iov_base = payload_read;
6959 	iov[0].iov_len = 4 * 512;
6960 	iov[1].iov_base = payload_read + 4 * 512;
6961 	iov[1].iov_len = 4 * 512;
6962 	spdk_blob_io_readv(blob, channel, iov, 2, 4, 8, blob_op_complete, NULL);
6963 	poll_threads();
6964 	CU_ASSERT(g_bserrno == 0);
6965 
6966 	CU_ASSERT(memcmp(payload_read + 0 * 512, payload_aa, 8 * 512) == 0);
6967 	CU_ASSERT(memcmp(payload_read + 8 * 512, payload_00, 24 * 512) == 0);
6968 
6969 	/* Read eight io_units across multiple clusters
6970 	 * cluster0: [ F0F0 AAAA | AAAA 0000 | 0000 0000 | 0000 (FFFF ]
6971 	 * cluster1: [ FFFF) 0000 | 0000 FF00 | 0000 0000 | 0000 0000 ]
6972 	 * payload_read: FFFF FFFF | 0000 0000 ... */
6973 	memset(payload_read, 0x00, sizeof(payload_read));
6974 	iov[0].iov_base = payload_read;
6975 	iov[0].iov_len = 2 * 512;
6976 	iov[1].iov_base = payload_read + 2 * 512;
6977 	iov[1].iov_len = 2 * 512;
6978 	iov[2].iov_base = payload_read + 4 * 512;
6979 	iov[2].iov_len = 2 * 512;
6980 	iov[3].iov_base = payload_read + 6 * 512;
6981 	iov[3].iov_len = 2 * 512;
6982 	spdk_blob_io_readv(blob, channel, iov, 4, 28, 8, blob_op_complete, NULL);
6983 	poll_threads();
6984 	CU_ASSERT(g_bserrno == 0);
6985 
6986 	CU_ASSERT(memcmp(payload_read + 0 * 512, payload_ff, 8 * 512) == 0);
6987 	CU_ASSERT(memcmp(payload_read + 8 * 512, payload_00, 24 * 512) == 0);
6988 
6989 	/* Read four io_units from second cluster
6990 	 * cluster0: [ F0F0 AAAA | AAAA 0000 | 0000 0000 | 0000 FFFF ]
6991 	 * cluster1: [ FFFF 0000 | 00(00 FF)00 | 0000 0000 | 0000 0000 ]
6992 	 * payload_read: 00FF 0000 | 0000 0000 ... */
6993 	memset(payload_read, 0x00, sizeof(payload_read));
6994 	iov[0].iov_base = payload_read;
6995 	iov[0].iov_len = 1 * 512;
6996 	iov[1].iov_base = payload_read + 1 * 512;
6997 	iov[1].iov_len = 3 * 512;
6998 	spdk_blob_io_readv(blob, channel, iov, 2, 32 + 10, 4, blob_op_complete, NULL);
6999 	poll_threads();
7000 	CU_ASSERT(g_bserrno == 0);
7001 
7002 	CU_ASSERT(memcmp(payload_read + 0 * 512, payload_00, 2 * 512) == 0);
7003 	CU_ASSERT(memcmp(payload_read + 2 * 512, payload_ff, 2 * 512) == 0);
7004 	CU_ASSERT(memcmp(payload_read + 4 * 512, payload_00, 28 * 512) == 0);
7005 
7006 	/* Read second cluster
7007 	 * cluster0: [ F0F0 AAAA | AAAA 0000 | 0000 0000 | 0000 FFFF ]
7008 	 * cluster1: [ (FFFF 0000 | 0000 FF00 | 0000 0000 | 0000 0000) ]
7009 	 * payload_read: FFFF 0000 | 0000 FF00 ... */
7010 	memset(payload_read, 0x00, sizeof(payload_read));
7011 	iov[0].iov_base = payload_read;
7012 	iov[0].iov_len = 1 * 512;
7013 	iov[1].iov_base = payload_read + 1 * 512;
7014 	iov[1].iov_len = 2 * 512;
7015 	iov[2].iov_base = payload_read + 3 * 512;
7016 	iov[2].iov_len = 4 * 512;
7017 	iov[3].iov_base = payload_read + 7 * 512;
7018 	iov[3].iov_len = 25 * 512;
7019 	spdk_blob_io_readv(blob, channel, iov, 4, 32, 32, blob_op_complete, NULL);
7020 	poll_threads();
7021 	CU_ASSERT(g_bserrno == 0);
7022 	CU_ASSERT(memcmp(payload_read + 0 * 512, payload_ff, 4 * 512) == 0);
7023 	CU_ASSERT(memcmp(payload_read + 4 * 512, payload_00, 8 * 512) == 0);
7024 	CU_ASSERT(memcmp(payload_read + 12 * 512, payload_ff, 2 * 512) == 0);
7025 	CU_ASSERT(memcmp(payload_read + 14 * 512, payload_00, 18 * 512) == 0);
7026 
7027 	/* Read whole two clusters
7028 	 * cluster0: [ (F0F0 AAAA | AAAA) 0000 | 0000 0000 | 0000 FFFF ]
7029 	 * cluster1: [ FFFF 0000 | 0000 FF00 | 0000 0000 | 0000 0000) ] */
7030 	memset(payload_read, 0x00, sizeof(payload_read));
7031 	iov[0].iov_base = payload_read;
7032 	iov[0].iov_len = 1 * 512;
7033 	iov[1].iov_base = payload_read + 1 * 512;
7034 	iov[1].iov_len = 8 * 512;
7035 	iov[2].iov_base = payload_read + 9 * 512;
7036 	iov[2].iov_len = 16 * 512;
7037 	iov[3].iov_base = payload_read + 25 * 512;
7038 	iov[3].iov_len = 39 * 512;
7039 	spdk_blob_io_readv(blob, channel, iov, 4, 0, 64, blob_op_complete, NULL);
7040 	poll_threads();
7041 	CU_ASSERT(g_bserrno == 0);
7042 
7043 	CU_ASSERT(memcmp(payload_read + 0 * 512, payload_ff, 512) == 0);
7044 	CU_ASSERT(memcmp(payload_read + 1 * 512, payload_00, 512) == 0);
7045 	CU_ASSERT(memcmp(payload_read + 2 * 512, payload_ff, 512) == 0);
7046 	CU_ASSERT(memcmp(payload_read + 3 * 512, payload_00, 512) == 0);
7047 	CU_ASSERT(memcmp(payload_read + 4 * 512, payload_aa, 8 * 512) == 0);
7048 	CU_ASSERT(memcmp(payload_read + 28 * 512, payload_ff, 4 * 512) == 0);
7049 
7050 	CU_ASSERT(memcmp(payload_read + (32 + 0) * 512, payload_ff, 4 * 512) == 0);
7051 	CU_ASSERT(memcmp(payload_read + (32 + 4) * 512, payload_00, 8 * 512) == 0);
7052 	CU_ASSERT(memcmp(payload_read + (32 + 12) * 512, payload_ff, 2 * 512) == 0);
7053 	CU_ASSERT(memcmp(payload_read + (32 + 14) * 512, payload_00, 18 * 512) == 0);
7054 }
7055 
7056 static void
7057 blob_io_unit(void)
7058 {
7059 	struct spdk_bs_opts bsopts;
7060 	struct spdk_blob_opts opts;
7061 	struct spdk_bs_dev *dev;
7062 	struct spdk_blob *blob, *snapshot, *clone;
7063 	spdk_blob_id blobid;
7064 	struct spdk_io_channel *channel;
7065 
7066 	/* Create dev with 512 bytes io unit size */
7067 
7068 	spdk_bs_opts_init(&bsopts);
7069 	bsopts.cluster_sz = SPDK_BS_PAGE_SIZE * 4;	/* 8 * 4 = 32 io_unit */
7070 	snprintf(bsopts.bstype.bstype, sizeof(bsopts.bstype.bstype), "TESTTYPE");
7071 
7072 	/* Try to initialize a new blob store with unsupported io_unit */
7073 	dev = init_dev();
7074 	dev->blocklen = 512;
7075 	dev->blockcnt =  DEV_BUFFER_SIZE / dev->blocklen;
7076 
7077 	/* Initialize a new blob store */
7078 	spdk_bs_init(dev, &bsopts, bs_op_with_handle_complete, NULL);
7079 	poll_threads();
7080 	CU_ASSERT(g_bserrno == 0);
7081 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
7082 
7083 	CU_ASSERT(spdk_bs_get_io_unit_size(g_bs) == 512);
7084 	channel = spdk_bs_alloc_io_channel(g_bs);
7085 
7086 	/* Create thick provisioned blob */
7087 	spdk_blob_opts_init(&opts);
7088 	opts.thin_provision = false;
7089 	opts.num_clusters = 32;
7090 
7091 	spdk_bs_create_blob_ext(g_bs, &opts, blob_op_with_id_complete, NULL);
7092 	poll_threads();
7093 
7094 	CU_ASSERT(g_bserrno == 0);
7095 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
7096 	blobid = g_blobid;
7097 
7098 	spdk_bs_open_blob(g_bs, blobid, blob_op_with_handle_complete, NULL);
7099 	poll_threads();
7100 	CU_ASSERT(g_bserrno == 0);
7101 	CU_ASSERT(g_blob != NULL);
7102 	blob = g_blob;
7103 
7104 	test_io_write(dev, blob, channel);
7105 	test_io_read(dev, blob, channel);
7106 	test_io_zeroes(dev, blob, channel);
7107 
7108 	test_iov_write(dev, blob, channel);
7109 	test_iov_read(dev, blob, channel);
7110 
7111 	test_io_unmap(dev, blob, channel);
7112 
7113 	spdk_blob_close(blob, blob_op_complete, NULL);
7114 	poll_threads();
7115 	CU_ASSERT(g_bserrno == 0);
7116 	blob = NULL;
7117 	g_blob = NULL;
7118 
7119 	/* Create thin provisioned blob */
7120 
7121 	spdk_blob_opts_init(&opts);
7122 	opts.thin_provision = true;
7123 	opts.num_clusters = 32;
7124 
7125 	spdk_bs_create_blob_ext(g_bs, &opts, blob_op_with_id_complete, NULL);
7126 	poll_threads();
7127 	CU_ASSERT(g_bserrno == 0);
7128 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
7129 	blobid = g_blobid;
7130 
7131 	spdk_bs_open_blob(g_bs, blobid, blob_op_with_handle_complete, NULL);
7132 	poll_threads();
7133 	CU_ASSERT(g_bserrno == 0);
7134 	CU_ASSERT(g_blob != NULL);
7135 	blob = g_blob;
7136 
7137 	test_io_write(dev, blob, channel);
7138 	test_io_read(dev, blob, channel);
7139 
7140 	test_io_zeroes(dev, blob, channel);
7141 
7142 	test_iov_write(dev, blob, channel);
7143 	test_iov_read(dev, blob, channel);
7144 
7145 	/* Create snapshot */
7146 
7147 	spdk_bs_create_snapshot(g_bs, blobid, NULL, blob_op_with_id_complete, NULL);
7148 	poll_threads();
7149 	CU_ASSERT(g_bserrno == 0);
7150 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
7151 	blobid = g_blobid;
7152 
7153 	spdk_bs_open_blob(g_bs, blobid, blob_op_with_handle_complete, NULL);
7154 	poll_threads();
7155 	CU_ASSERT(g_bserrno == 0);
7156 	CU_ASSERT(g_blob != NULL);
7157 	snapshot = g_blob;
7158 
7159 	spdk_bs_create_clone(g_bs, blobid, NULL, blob_op_with_id_complete, NULL);
7160 	poll_threads();
7161 	CU_ASSERT(g_bserrno == 0);
7162 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
7163 	blobid = g_blobid;
7164 
7165 	spdk_bs_open_blob(g_bs, blobid, blob_op_with_handle_complete, NULL);
7166 	poll_threads();
7167 	CU_ASSERT(g_bserrno == 0);
7168 	CU_ASSERT(g_blob != NULL);
7169 	clone = g_blob;
7170 
7171 	test_io_read(dev, blob, channel);
7172 	test_io_read(dev, snapshot, channel);
7173 	test_io_read(dev, clone, channel);
7174 
7175 	test_iov_read(dev, blob, channel);
7176 	test_iov_read(dev, snapshot, channel);
7177 	test_iov_read(dev, clone, channel);
7178 
7179 	/* Inflate clone */
7180 
7181 	spdk_bs_inflate_blob(g_bs, channel, blobid, blob_op_complete, NULL);
7182 	poll_threads();
7183 
7184 	CU_ASSERT(g_bserrno == 0);
7185 
7186 	test_io_read(dev, clone, channel);
7187 
7188 	test_io_unmap(dev, clone, channel);
7189 
7190 	test_iov_write(dev, clone, channel);
7191 	test_iov_read(dev, clone, channel);
7192 
7193 	spdk_blob_close(blob, blob_op_complete, NULL);
7194 	spdk_blob_close(snapshot, blob_op_complete, NULL);
7195 	spdk_blob_close(clone, blob_op_complete, NULL);
7196 	poll_threads();
7197 	CU_ASSERT(g_bserrno == 0);
7198 	blob = NULL;
7199 	g_blob = NULL;
7200 
7201 	/* Unload the blob store */
7202 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
7203 	poll_threads();
7204 	CU_ASSERT(g_bserrno == 0);
7205 	g_bs = NULL;
7206 	g_blob = NULL;
7207 	g_blobid = 0;
7208 }
7209 
7210 static void
7211 blob_io_unit_compatiblity(void)
7212 {
7213 	struct spdk_bs_opts bsopts;
7214 	struct spdk_bs_dev *dev;
7215 	struct spdk_bs_super_block *super;
7216 
7217 	/* Create dev with 512 bytes io unit size */
7218 
7219 	spdk_bs_opts_init(&bsopts);
7220 	bsopts.cluster_sz = SPDK_BS_PAGE_SIZE * 4;	/* 8 * 4 = 32 io_unit */
7221 	snprintf(bsopts.bstype.bstype, sizeof(bsopts.bstype.bstype), "TESTTYPE");
7222 
7223 	/* Try to initialize a new blob store with unsupported io_unit */
7224 	dev = init_dev();
7225 	dev->blocklen = 512;
7226 	dev->blockcnt =  DEV_BUFFER_SIZE / dev->blocklen;
7227 
7228 	/* Initialize a new blob store */
7229 	spdk_bs_init(dev, &bsopts, bs_op_with_handle_complete, NULL);
7230 	poll_threads();
7231 	CU_ASSERT(g_bserrno == 0);
7232 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
7233 
7234 	CU_ASSERT(spdk_bs_get_io_unit_size(g_bs) == 512);
7235 
7236 	/* Unload the blob store */
7237 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
7238 	poll_threads();
7239 	CU_ASSERT(g_bserrno == 0);
7240 
7241 	/* Modify super block to behave like older version.
7242 	 * Check if loaded io unit size equals SPDK_BS_PAGE_SIZE */
7243 	super = (struct spdk_bs_super_block *)&g_dev_buffer[0];
7244 	super->io_unit_size = 0;
7245 	super->crc = _spdk_blob_md_page_calc_crc(super);
7246 
7247 	dev = init_dev();
7248 	dev->blocklen = 512;
7249 	dev->blockcnt =  DEV_BUFFER_SIZE / dev->blocklen;
7250 
7251 	spdk_bs_load(dev, &bsopts, bs_op_with_handle_complete, NULL);
7252 	poll_threads();
7253 	CU_ASSERT(g_bserrno == 0);
7254 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
7255 
7256 	CU_ASSERT(spdk_bs_get_io_unit_size(g_bs) == SPDK_BS_PAGE_SIZE);
7257 
7258 	/* Unload the blob store */
7259 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
7260 	poll_threads();
7261 	CU_ASSERT(g_bserrno == 0);
7262 
7263 	g_bs = NULL;
7264 	g_blob = NULL;
7265 	g_blobid = 0;
7266 }
7267 
7268 static void
7269 blob_simultaneous_operations(void)
7270 {
7271 	struct spdk_blob_store *bs;
7272 	struct spdk_bs_dev *dev;
7273 	struct spdk_blob_opts opts;
7274 	struct spdk_blob *blob, *snapshot;
7275 	spdk_blob_id blobid, snapshotid;
7276 	struct spdk_io_channel *channel;
7277 
7278 	dev = init_dev();
7279 
7280 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
7281 	poll_threads();
7282 	CU_ASSERT(g_bserrno == 0);
7283 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
7284 	bs = g_bs;
7285 
7286 	channel = spdk_bs_alloc_io_channel(bs);
7287 	SPDK_CU_ASSERT_FATAL(channel != NULL);
7288 
7289 	spdk_blob_opts_init(&opts);
7290 	opts.num_clusters = 10;
7291 
7292 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
7293 	poll_threads();
7294 	CU_ASSERT(g_bserrno == 0);
7295 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
7296 	blobid = g_blobid;
7297 
7298 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
7299 	poll_threads();
7300 	CU_ASSERT(g_bserrno == 0);
7301 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
7302 	blob = g_blob;
7303 
7304 	/* Create snapshot and try to remove blob in the same time:
7305 	 * - snapshot should be created successfully
7306 	 * - delete operation should fail w -EBUSY */
7307 	CU_ASSERT(blob->locked_operation_in_progress == false);
7308 	spdk_bs_create_snapshot(bs, blobid, NULL, blob_op_with_id_complete, NULL);
7309 	CU_ASSERT(blob->locked_operation_in_progress == true);
7310 	spdk_bs_delete_blob(bs, blobid, blob_op_complete, NULL);
7311 	CU_ASSERT(blob->locked_operation_in_progress == true);
7312 	/* Deletion failure */
7313 	CU_ASSERT(g_bserrno == -EBUSY);
7314 	poll_threads();
7315 	CU_ASSERT(blob->locked_operation_in_progress == false);
7316 	/* Snapshot creation success */
7317 	CU_ASSERT(g_bserrno == 0);
7318 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
7319 
7320 	snapshotid = g_blobid;
7321 
7322 	spdk_bs_open_blob(bs, snapshotid, blob_op_with_handle_complete, NULL);
7323 	poll_threads();
7324 	CU_ASSERT(g_bserrno == 0);
7325 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
7326 	snapshot = g_blob;
7327 
7328 	/* Inflate blob and try to remove blob in the same time:
7329 	 * - blob should be inflated successfully
7330 	 * - delete operation should fail w -EBUSY */
7331 	CU_ASSERT(blob->locked_operation_in_progress == false);
7332 	spdk_bs_inflate_blob(bs, channel, blobid, blob_op_complete, NULL);
7333 	CU_ASSERT(blob->locked_operation_in_progress == true);
7334 	spdk_bs_delete_blob(bs, blobid, blob_op_complete, NULL);
7335 	CU_ASSERT(blob->locked_operation_in_progress == true);
7336 	/* Deletion failure */
7337 	CU_ASSERT(g_bserrno == -EBUSY);
7338 	poll_threads();
7339 	CU_ASSERT(blob->locked_operation_in_progress == false);
7340 	/* Inflation success */
7341 	CU_ASSERT(g_bserrno == 0);
7342 
7343 	/* Clone snapshot and try to remove snapshot in the same time:
7344 	 * - snapshot should be cloned successfully
7345 	 * - delete operation should fail w -EBUSY */
7346 	CU_ASSERT(blob->locked_operation_in_progress == false);
7347 	spdk_bs_create_clone(bs, snapshotid, NULL, blob_op_with_id_complete, NULL);
7348 	spdk_bs_delete_blob(bs, snapshotid, blob_op_complete, NULL);
7349 	/* Deletion failure */
7350 	CU_ASSERT(g_bserrno == -EBUSY);
7351 	poll_threads();
7352 	CU_ASSERT(blob->locked_operation_in_progress == false);
7353 	/* Clone created */
7354 	CU_ASSERT(g_bserrno == 0);
7355 
7356 	/* Resize blob and try to remove blob in the same time:
7357 	 * - blob should be resized successfully
7358 	 * - delete operation should fail w -EBUSY */
7359 	CU_ASSERT(blob->locked_operation_in_progress == false);
7360 	spdk_blob_resize(blob, 50, blob_op_complete, NULL);
7361 	CU_ASSERT(blob->locked_operation_in_progress == true);
7362 	spdk_bs_delete_blob(bs, blobid, blob_op_complete, NULL);
7363 	CU_ASSERT(blob->locked_operation_in_progress == true);
7364 	/* Deletion failure */
7365 	CU_ASSERT(g_bserrno == -EBUSY);
7366 	poll_threads();
7367 	CU_ASSERT(blob->locked_operation_in_progress == false);
7368 	/* Blob resized successfully */
7369 	CU_ASSERT(g_bserrno == 0);
7370 
7371 	spdk_blob_close(blob, blob_op_complete, NULL);
7372 	poll_threads();
7373 	CU_ASSERT(g_bserrno == 0);
7374 
7375 	spdk_blob_close(snapshot, blob_op_complete, NULL);
7376 	poll_threads();
7377 	CU_ASSERT(g_bserrno == 0);
7378 
7379 	spdk_bs_delete_blob(bs, blobid, blob_op_complete, NULL);
7380 	poll_threads();
7381 	CU_ASSERT(g_bserrno == 0);
7382 
7383 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
7384 	poll_threads();
7385 	CU_ASSERT(g_bserrno == 0);
7386 	g_bs = NULL;
7387 
7388 	spdk_bs_free_io_channel(channel);
7389 	poll_threads();
7390 }
7391 
7392 int main(int argc, char **argv)
7393 {
7394 	CU_pSuite	suite = NULL;
7395 	unsigned int	num_failures;
7396 
7397 	if (CU_initialize_registry() != CUE_SUCCESS) {
7398 		return CU_get_error();
7399 	}
7400 
7401 	suite = CU_add_suite("blob", NULL, NULL);
7402 	if (suite == NULL) {
7403 		CU_cleanup_registry();
7404 		return CU_get_error();
7405 	}
7406 
7407 	if (
7408 		CU_add_test(suite, "blob_init", blob_init) == NULL ||
7409 		CU_add_test(suite, "blob_open", blob_open) == NULL ||
7410 		CU_add_test(suite, "blob_create", blob_create) == NULL ||
7411 		CU_add_test(suite, "blob_create_internal", blob_create_internal) == NULL ||
7412 		CU_add_test(suite, "blob_thin_provision", blob_thin_provision) == NULL ||
7413 		CU_add_test(suite, "blob_snapshot", blob_snapshot) == NULL ||
7414 		CU_add_test(suite, "blob_clone", blob_clone) == NULL ||
7415 		CU_add_test(suite, "blob_inflate", blob_inflate) == NULL ||
7416 		CU_add_test(suite, "blob_delete", blob_delete) == NULL ||
7417 		CU_add_test(suite, "blob_resize", blob_resize) == NULL ||
7418 		CU_add_test(suite, "blob_read_only", blob_read_only) == NULL ||
7419 		CU_add_test(suite, "channel_ops", channel_ops) == NULL ||
7420 		CU_add_test(suite, "blob_super", blob_super) == NULL ||
7421 		CU_add_test(suite, "blob_write", blob_write) == NULL ||
7422 		CU_add_test(suite, "blob_read", blob_read) == NULL ||
7423 		CU_add_test(suite, "blob_rw_verify", blob_rw_verify) == NULL ||
7424 		CU_add_test(suite, "blob_rw_verify_iov", blob_rw_verify_iov) == NULL ||
7425 		CU_add_test(suite, "blob_rw_verify_iov_nomem", blob_rw_verify_iov_nomem) == NULL ||
7426 		CU_add_test(suite, "blob_rw_iov_read_only", blob_rw_iov_read_only) == NULL ||
7427 		CU_add_test(suite, "blob_unmap", blob_unmap) == NULL ||
7428 		CU_add_test(suite, "blob_iter", blob_iter) == NULL ||
7429 		CU_add_test(suite, "blob_xattr", blob_xattr) == NULL ||
7430 		CU_add_test(suite, "bs_load", bs_load) == NULL ||
7431 		CU_add_test(suite, "bs_load_pending_removal", bs_load_pending_removal) == NULL ||
7432 		CU_add_test(suite, "bs_load_custom_cluster_size", bs_load_custom_cluster_size) == NULL ||
7433 		CU_add_test(suite, "bs_unload", bs_unload) == NULL ||
7434 		CU_add_test(suite, "bs_cluster_sz", bs_cluster_sz) == NULL ||
7435 		CU_add_test(suite, "bs_usable_clusters", bs_usable_clusters) == NULL ||
7436 		CU_add_test(suite, "bs_resize_md", bs_resize_md) == NULL ||
7437 		CU_add_test(suite, "bs_destroy", bs_destroy) == NULL ||
7438 		CU_add_test(suite, "bs_type", bs_type) == NULL ||
7439 		CU_add_test(suite, "bs_super_block", bs_super_block) == NULL ||
7440 		CU_add_test(suite, "blob_serialize", blob_serialize) == NULL ||
7441 		CU_add_test(suite, "blob_crc", blob_crc) == NULL ||
7442 		CU_add_test(suite, "super_block_crc", super_block_crc) == NULL ||
7443 		CU_add_test(suite, "blob_dirty_shutdown", blob_dirty_shutdown) == NULL ||
7444 		CU_add_test(suite, "blob_flags", blob_flags) == NULL ||
7445 		CU_add_test(suite, "bs_version", bs_version) == NULL ||
7446 		CU_add_test(suite, "blob_set_xattrs", blob_set_xattrs) == NULL ||
7447 		CU_add_test(suite, "blob_thin_prov_alloc", blob_thin_prov_alloc) == NULL ||
7448 		CU_add_test(suite, "blob_insert_cluster_msg", blob_insert_cluster_msg) == NULL ||
7449 		CU_add_test(suite, "blob_thin_prov_rw", blob_thin_prov_rw) == NULL ||
7450 		CU_add_test(suite, "blob_thin_prov_rw_iov", blob_thin_prov_rw_iov) == NULL ||
7451 		CU_add_test(suite, "bs_load_iter", bs_load_iter) == NULL ||
7452 		CU_add_test(suite, "blob_snapshot_rw", blob_snapshot_rw) == NULL ||
7453 		CU_add_test(suite, "blob_snapshot_rw_iov", blob_snapshot_rw_iov) == NULL ||
7454 		CU_add_test(suite, "blob_relations", blob_relations) == NULL ||
7455 		CU_add_test(suite, "blob_relations2", blob_relations2) == NULL ||
7456 		CU_add_test(suite, "blob_delete_snapshot_power_failure",
7457 			    blob_delete_snapshot_power_failure) == NULL ||
7458 		CU_add_test(suite, "blob_create_snapshot_power_failure",
7459 			    blob_create_snapshot_power_failure) == NULL ||
7460 		CU_add_test(suite, "blob_inflate_rw", blob_inflate_rw) == NULL ||
7461 		CU_add_test(suite, "blob_snapshot_freeze_io", blob_snapshot_freeze_io) == NULL ||
7462 		CU_add_test(suite, "blob_operation_split_rw", blob_operation_split_rw) == NULL ||
7463 		CU_add_test(suite, "blob_operation_split_rw_iov", blob_operation_split_rw_iov) == NULL ||
7464 		CU_add_test(suite, "blob_io_unit", blob_io_unit) == NULL ||
7465 		CU_add_test(suite, "blob_io_unit_compatiblity", blob_io_unit_compatiblity) == NULL ||
7466 		CU_add_test(suite, "blob_simultaneous_operations", blob_simultaneous_operations) == NULL
7467 	) {
7468 		CU_cleanup_registry();
7469 		return CU_get_error();
7470 	}
7471 
7472 	allocate_threads(2);
7473 	set_thread(0);
7474 
7475 	g_dev_buffer = calloc(1, DEV_BUFFER_SIZE);
7476 
7477 	CU_basic_set_mode(CU_BRM_VERBOSE);
7478 	CU_basic_run_tests();
7479 	num_failures = CU_get_number_of_failures();
7480 	CU_cleanup_registry();
7481 
7482 	free(g_dev_buffer);
7483 
7484 	free_threads();
7485 
7486 	return num_failures;
7487 }
7488