xref: /spdk/test/unit/lib/blob/blob.c/blob_ut.c (revision 69a8877e8220bfd945808d475476f9a8e4af9338)
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
9  *   are met:
10  *
11  *     * Redistributions of source code must retain the above copyright
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
16  *       distribution.
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18  *       contributors may be used to endorse or promote products derived
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
24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 	/* Resize the blob */
3668 	spdk_blob_resize(blob, 10, blob_op_complete, NULL);
3669 	poll_threads();
3670 	CU_ASSERT(g_bserrno == 0);
3671 
3672 	/* Set the blob as the super blob */
3673 	spdk_bs_set_super(g_bs, blobid1, blob_op_complete, NULL);
3674 	poll_threads();
3675 	CU_ASSERT(g_bserrno == 0);
3676 
3677 	free_clusters = spdk_bs_free_cluster_count(g_bs);
3678 
3679 	spdk_blob_close(blob, blob_op_complete, NULL);
3680 	poll_threads();
3681 	CU_ASSERT(g_bserrno == 0);
3682 	blob = NULL;
3683 	g_blob = NULL;
3684 	g_blobid = SPDK_BLOBID_INVALID;
3685 
3686 	/* Dirty shutdown */
3687 	_spdk_bs_free(g_bs);
3688 
3689 	/* reload blobstore */
3690 	dev = init_dev();
3691 	spdk_bs_opts_init(&opts);
3692 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
3693 	poll_threads();
3694 	CU_ASSERT(g_bserrno == 0);
3695 
3696 	/* Get the super blob */
3697 	spdk_bs_get_super(g_bs, blob_op_with_id_complete, NULL);
3698 	poll_threads();
3699 	CU_ASSERT(g_bserrno == 0);
3700 	CU_ASSERT(blobid1 == g_blobid);
3701 
3702 	spdk_bs_open_blob(g_bs, blobid1, blob_op_with_handle_complete, NULL);
3703 	poll_threads();
3704 	CU_ASSERT(g_bserrno == 0);
3705 	CU_ASSERT(g_blob != NULL);
3706 	blob = g_blob;
3707 
3708 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(g_bs));
3709 
3710 	/* Get the xattrs */
3711 	value = NULL;
3712 	rc = spdk_blob_get_xattr_value(blob, "length", &value, &value_len);
3713 	CU_ASSERT(rc == 0);
3714 	SPDK_CU_ASSERT_FATAL(value != NULL);
3715 	CU_ASSERT(*(uint64_t *)value == length);
3716 	CU_ASSERT(value_len == 8);
3717 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 10);
3718 
3719 	/* Resize the blob */
3720 	spdk_blob_resize(blob, 20, blob_op_complete, NULL);
3721 	poll_threads();
3722 	CU_ASSERT(g_bserrno == 0);
3723 
3724 	free_clusters = spdk_bs_free_cluster_count(g_bs);
3725 
3726 	spdk_blob_close(blob, blob_op_complete, NULL);
3727 	poll_threads();
3728 	CU_ASSERT(g_bserrno == 0);
3729 	blob = NULL;
3730 	g_blob = NULL;
3731 	g_blobid = SPDK_BLOBID_INVALID;
3732 
3733 	/* Dirty shutdown */
3734 	_spdk_bs_free(g_bs);
3735 
3736 	/* reload the blobstore */
3737 	dev = init_dev();
3738 	spdk_bs_opts_init(&opts);
3739 	/* Load an existing blob store */
3740 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
3741 	poll_threads();
3742 	CU_ASSERT(g_bserrno == 0);
3743 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
3744 	spdk_bs_open_blob(g_bs, blobid1, blob_op_with_handle_complete, NULL);
3745 	poll_threads();
3746 	CU_ASSERT(g_bserrno == 0);
3747 	CU_ASSERT(g_blob != NULL);
3748 	blob = g_blob;
3749 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 20);
3750 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(g_bs));
3751 
3752 	spdk_blob_close(blob, blob_op_complete, NULL);
3753 	poll_threads();
3754 	CU_ASSERT(g_bserrno == 0);
3755 	blob = NULL;
3756 	g_blob = NULL;
3757 	g_blobid = SPDK_BLOBID_INVALID;
3758 
3759 	/* Create second blob */
3760 	spdk_bs_create_blob(g_bs, blob_op_with_id_complete, NULL);
3761 	poll_threads();
3762 	CU_ASSERT(g_bserrno == 0);
3763 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
3764 	blobid2 = g_blobid;
3765 
3766 	spdk_bs_open_blob(g_bs, blobid2, blob_op_with_handle_complete, NULL);
3767 	poll_threads();
3768 	CU_ASSERT(g_bserrno == 0);
3769 	CU_ASSERT(g_blob != NULL);
3770 	blob = g_blob;
3771 
3772 	/* Set some xattrs */
3773 	rc = spdk_blob_set_xattr(blob, "name", "log1.txt", strlen("log1.txt") + 1);
3774 	CU_ASSERT(rc == 0);
3775 
3776 	length = 5432;
3777 	rc = spdk_blob_set_xattr(blob, "length", &length, sizeof(length));
3778 	CU_ASSERT(rc == 0);
3779 
3780 	/* Resize the blob */
3781 	spdk_blob_resize(blob, 10, blob_op_complete, NULL);
3782 	poll_threads();
3783 	CU_ASSERT(g_bserrno == 0);
3784 
3785 	free_clusters = spdk_bs_free_cluster_count(g_bs);
3786 
3787 	spdk_blob_close(blob, blob_op_complete, NULL);
3788 	poll_threads();
3789 	CU_ASSERT(g_bserrno == 0);
3790 	blob = NULL;
3791 	g_blob = NULL;
3792 	g_blobid = SPDK_BLOBID_INVALID;
3793 
3794 	/* Dirty shutdown */
3795 	_spdk_bs_free(g_bs);
3796 
3797 	/* reload the blobstore */
3798 	dev = init_dev();
3799 	spdk_bs_opts_init(&opts);
3800 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
3801 	poll_threads();
3802 	CU_ASSERT(g_bserrno == 0);
3803 
3804 	spdk_bs_open_blob(g_bs, blobid2, blob_op_with_handle_complete, NULL);
3805 	poll_threads();
3806 	CU_ASSERT(g_bserrno == 0);
3807 	CU_ASSERT(g_blob != NULL);
3808 	blob = g_blob;
3809 
3810 	/* Get the xattrs */
3811 	value = NULL;
3812 	rc = spdk_blob_get_xattr_value(blob, "length", &value, &value_len);
3813 	CU_ASSERT(rc == 0);
3814 	SPDK_CU_ASSERT_FATAL(value != NULL);
3815 	CU_ASSERT(*(uint64_t *)value == length);
3816 	CU_ASSERT(value_len == 8);
3817 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 10);
3818 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(g_bs));
3819 
3820 	spdk_blob_close(blob, blob_op_complete, NULL);
3821 	poll_threads();
3822 	CU_ASSERT(g_bserrno == 0);
3823 	spdk_bs_delete_blob(g_bs, blobid2, blob_op_complete, NULL);
3824 	poll_threads();
3825 	CU_ASSERT(g_bserrno == 0);
3826 
3827 	free_clusters = spdk_bs_free_cluster_count(g_bs);
3828 
3829 	/* Dirty shutdown */
3830 	_spdk_bs_free(g_bs);
3831 	/* reload the blobstore */
3832 	dev = init_dev();
3833 	spdk_bs_opts_init(&opts);
3834 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
3835 	poll_threads();
3836 	CU_ASSERT(g_bserrno == 0);
3837 
3838 	spdk_bs_open_blob(g_bs, blobid2, blob_op_with_handle_complete, NULL);
3839 	poll_threads();
3840 	CU_ASSERT(g_bserrno != 0);
3841 	CU_ASSERT(g_blob == NULL);
3842 
3843 	spdk_bs_open_blob(g_bs, blobid1, blob_op_with_handle_complete, NULL);
3844 	poll_threads();
3845 	CU_ASSERT(g_bserrno == 0);
3846 	CU_ASSERT(g_blob != NULL);
3847 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(g_bs));
3848 	spdk_blob_close(g_blob, blob_op_complete, NULL);
3849 	poll_threads();
3850 	CU_ASSERT(g_bserrno == 0);
3851 
3852 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
3853 	poll_threads();
3854 	CU_ASSERT(g_bserrno == 0);
3855 	g_bs = NULL;
3856 
3857 	/* reload the blobstore */
3858 	dev = init_dev();
3859 	spdk_bs_opts_init(&opts);
3860 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
3861 	poll_threads();
3862 	CU_ASSERT(g_bserrno == 0);
3863 
3864 	/* Create second blob */
3865 	spdk_bs_create_blob(g_bs, blob_op_with_id_complete, NULL);
3866 	poll_threads();
3867 	CU_ASSERT(g_bserrno == 0);
3868 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
3869 	blobid2 = g_blobid;
3870 
3871 	/* Create third blob */
3872 	spdk_bs_create_blob(g_bs, blob_op_with_id_complete, NULL);
3873 	poll_threads();
3874 	CU_ASSERT(g_bserrno == 0);
3875 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
3876 	blobid3 = g_blobid;
3877 
3878 	spdk_bs_open_blob(g_bs, blobid2, blob_op_with_handle_complete, NULL);
3879 	poll_threads();
3880 	CU_ASSERT(g_bserrno == 0);
3881 	CU_ASSERT(g_blob != NULL);
3882 	blob = g_blob;
3883 
3884 	/* Set some xattrs for second blob */
3885 	rc = spdk_blob_set_xattr(blob, "name", "log1.txt", strlen("log1.txt") + 1);
3886 	CU_ASSERT(rc == 0);
3887 
3888 	length = 5432;
3889 	rc = spdk_blob_set_xattr(blob, "length", &length, sizeof(length));
3890 	CU_ASSERT(rc == 0);
3891 
3892 	spdk_blob_close(blob, blob_op_complete, NULL);
3893 	poll_threads();
3894 	CU_ASSERT(g_bserrno == 0);
3895 	blob = NULL;
3896 	g_blob = NULL;
3897 	g_blobid = SPDK_BLOBID_INVALID;
3898 
3899 	spdk_bs_open_blob(g_bs, blobid3, blob_op_with_handle_complete, NULL);
3900 	poll_threads();
3901 	CU_ASSERT(g_bserrno == 0);
3902 	CU_ASSERT(g_blob != NULL);
3903 	blob = g_blob;
3904 
3905 	/* Set some xattrs for third blob */
3906 	rc = spdk_blob_set_xattr(blob, "name", "log2.txt", strlen("log2.txt") + 1);
3907 	CU_ASSERT(rc == 0);
3908 
3909 	length = 5432;
3910 	rc = spdk_blob_set_xattr(blob, "length", &length, sizeof(length));
3911 	CU_ASSERT(rc == 0);
3912 
3913 	spdk_blob_close(blob, blob_op_complete, NULL);
3914 	poll_threads();
3915 	CU_ASSERT(g_bserrno == 0);
3916 	blob = NULL;
3917 	g_blob = NULL;
3918 	g_blobid = SPDK_BLOBID_INVALID;
3919 
3920 	/* Mark second blob as invalid */
3921 	page_num = _spdk_bs_blobid_to_page(blobid2);
3922 
3923 	index = DEV_BUFFER_BLOCKLEN * (g_bs->md_start + page_num);
3924 	page = (struct spdk_blob_md_page *)&g_dev_buffer[index];
3925 	page->sequence_num = 1;
3926 	page->crc = _spdk_blob_md_page_calc_crc(page);
3927 
3928 	free_clusters = spdk_bs_free_cluster_count(g_bs);
3929 
3930 	/* Dirty shutdown */
3931 	_spdk_bs_free(g_bs);
3932 	/* reload the blobstore */
3933 	dev = init_dev();
3934 	spdk_bs_opts_init(&opts);
3935 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
3936 	poll_threads();
3937 	CU_ASSERT(g_bserrno == 0);
3938 
3939 	spdk_bs_open_blob(g_bs, blobid2, blob_op_with_handle_complete, NULL);
3940 	poll_threads();
3941 	CU_ASSERT(g_bserrno != 0);
3942 	CU_ASSERT(g_blob == NULL);
3943 
3944 	spdk_bs_open_blob(g_bs, blobid3, blob_op_with_handle_complete, NULL);
3945 	poll_threads();
3946 	CU_ASSERT(g_bserrno == 0);
3947 	CU_ASSERT(g_blob != NULL);
3948 	blob = g_blob;
3949 
3950 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(g_bs));
3951 
3952 	spdk_blob_close(blob, blob_op_complete, NULL);
3953 	poll_threads();
3954 	CU_ASSERT(g_bserrno == 0);
3955 	blob = NULL;
3956 	g_blob = NULL;
3957 	g_blobid = SPDK_BLOBID_INVALID;
3958 
3959 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
3960 	poll_threads();
3961 	CU_ASSERT(g_bserrno == 0);
3962 	g_bs = NULL;
3963 }
3964 
3965 static void
3966 blob_flags(void)
3967 {
3968 	struct spdk_bs_dev *dev;
3969 	spdk_blob_id blobid_invalid, blobid_data_ro, blobid_md_ro;
3970 	struct spdk_blob *blob_invalid, *blob_data_ro, *blob_md_ro;
3971 	struct spdk_bs_opts opts;
3972 	int rc;
3973 
3974 	dev = init_dev();
3975 	spdk_bs_opts_init(&opts);
3976 
3977 	/* Initialize a new blob store */
3978 	spdk_bs_init(dev, &opts, bs_op_with_handle_complete, NULL);
3979 	poll_threads();
3980 	CU_ASSERT(g_bserrno == 0);
3981 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
3982 
3983 	/* Create three blobs - one each for testing invalid, data_ro and md_ro flags. */
3984 	spdk_bs_create_blob(g_bs, blob_op_with_id_complete, NULL);
3985 	poll_threads();
3986 	CU_ASSERT(g_bserrno == 0);
3987 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
3988 	blobid_invalid = g_blobid;
3989 
3990 	spdk_bs_create_blob(g_bs, blob_op_with_id_complete, NULL);
3991 	poll_threads();
3992 	CU_ASSERT(g_bserrno == 0);
3993 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
3994 	blobid_data_ro = g_blobid;
3995 
3996 	spdk_bs_create_blob(g_bs, blob_op_with_id_complete, NULL);
3997 	poll_threads();
3998 	CU_ASSERT(g_bserrno == 0);
3999 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
4000 	blobid_md_ro = g_blobid;
4001 
4002 	spdk_bs_open_blob(g_bs, blobid_invalid, blob_op_with_handle_complete, NULL);
4003 	poll_threads();
4004 	CU_ASSERT(g_bserrno == 0);
4005 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
4006 	blob_invalid = g_blob;
4007 
4008 	spdk_bs_open_blob(g_bs, blobid_data_ro, blob_op_with_handle_complete, NULL);
4009 	poll_threads();
4010 	CU_ASSERT(g_bserrno == 0);
4011 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
4012 	blob_data_ro = g_blob;
4013 
4014 	spdk_bs_open_blob(g_bs, blobid_md_ro, blob_op_with_handle_complete, NULL);
4015 	poll_threads();
4016 	CU_ASSERT(g_bserrno == 0);
4017 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
4018 	blob_md_ro = g_blob;
4019 
4020 	/* Change the size of blob_data_ro to check if flags are serialized
4021 	 * when blob has non zero number of extents */
4022 	spdk_blob_resize(blob_data_ro, 10, blob_op_complete, NULL);
4023 	poll_threads();
4024 	CU_ASSERT(g_bserrno == 0);
4025 
4026 	/* Set the xattr to check if flags are serialized
4027 	 * when blob has non zero number of xattrs */
4028 	rc = spdk_blob_set_xattr(blob_md_ro, "name", "log.txt", strlen("log.txt") + 1);
4029 	CU_ASSERT(rc == 0);
4030 
4031 	blob_invalid->invalid_flags = (1ULL << 63);
4032 	blob_invalid->state = SPDK_BLOB_STATE_DIRTY;
4033 	blob_data_ro->data_ro_flags = (1ULL << 62);
4034 	blob_data_ro->state = SPDK_BLOB_STATE_DIRTY;
4035 	blob_md_ro->md_ro_flags = (1ULL << 61);
4036 	blob_md_ro->state = SPDK_BLOB_STATE_DIRTY;
4037 
4038 	g_bserrno = -1;
4039 	spdk_blob_sync_md(blob_invalid, blob_op_complete, NULL);
4040 	poll_threads();
4041 	CU_ASSERT(g_bserrno == 0);
4042 	g_bserrno = -1;
4043 	spdk_blob_sync_md(blob_data_ro, blob_op_complete, NULL);
4044 	poll_threads();
4045 	CU_ASSERT(g_bserrno == 0);
4046 	g_bserrno = -1;
4047 	spdk_blob_sync_md(blob_md_ro, blob_op_complete, NULL);
4048 	poll_threads();
4049 	CU_ASSERT(g_bserrno == 0);
4050 
4051 	g_bserrno = -1;
4052 	spdk_blob_close(blob_invalid, blob_op_complete, NULL);
4053 	poll_threads();
4054 	CU_ASSERT(g_bserrno == 0);
4055 	blob_invalid = NULL;
4056 	g_bserrno = -1;
4057 	spdk_blob_close(blob_data_ro, blob_op_complete, NULL);
4058 	poll_threads();
4059 	CU_ASSERT(g_bserrno == 0);
4060 	blob_data_ro = NULL;
4061 	g_bserrno = -1;
4062 	spdk_blob_close(blob_md_ro, blob_op_complete, NULL);
4063 	poll_threads();
4064 	CU_ASSERT(g_bserrno == 0);
4065 	blob_md_ro = NULL;
4066 
4067 	g_blob = NULL;
4068 	g_blobid = SPDK_BLOBID_INVALID;
4069 
4070 	/* Unload the blob store */
4071 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
4072 	poll_threads();
4073 	CU_ASSERT(g_bserrno == 0);
4074 	g_bs = NULL;
4075 
4076 	/* Load an existing blob store */
4077 	dev = init_dev();
4078 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
4079 	poll_threads();
4080 	CU_ASSERT(g_bserrno == 0);
4081 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
4082 
4083 	g_blob = NULL;
4084 	g_bserrno = 0;
4085 	spdk_bs_open_blob(g_bs, blobid_invalid, blob_op_with_handle_complete, NULL);
4086 	poll_threads();
4087 	CU_ASSERT(g_bserrno != 0);
4088 	CU_ASSERT(g_blob == NULL);
4089 
4090 	g_blob = NULL;
4091 	g_bserrno = -1;
4092 	spdk_bs_open_blob(g_bs, blobid_data_ro, blob_op_with_handle_complete, NULL);
4093 	poll_threads();
4094 	CU_ASSERT(g_bserrno == 0);
4095 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
4096 	blob_data_ro = g_blob;
4097 	/* If an unknown data_ro flag was found, the blob should be marked both data and md read-only. */
4098 	CU_ASSERT(blob_data_ro->data_ro == true);
4099 	CU_ASSERT(blob_data_ro->md_ro == true);
4100 	CU_ASSERT(spdk_blob_get_num_clusters(blob_data_ro) == 10);
4101 
4102 	g_blob = NULL;
4103 	g_bserrno = -1;
4104 	spdk_bs_open_blob(g_bs, blobid_md_ro, blob_op_with_handle_complete, NULL);
4105 	poll_threads();
4106 	CU_ASSERT(g_bserrno == 0);
4107 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
4108 	blob_md_ro = g_blob;
4109 	CU_ASSERT(blob_md_ro->data_ro == false);
4110 	CU_ASSERT(blob_md_ro->md_ro == true);
4111 
4112 	g_bserrno = -1;
4113 	spdk_blob_sync_md(blob_md_ro, blob_op_complete, NULL);
4114 	poll_threads();
4115 	CU_ASSERT(g_bserrno == 0);
4116 
4117 	spdk_blob_close(blob_data_ro, blob_op_complete, NULL);
4118 	poll_threads();
4119 	CU_ASSERT(g_bserrno == 0);
4120 	spdk_blob_close(blob_md_ro, blob_op_complete, NULL);
4121 	poll_threads();
4122 	CU_ASSERT(g_bserrno == 0);
4123 
4124 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
4125 	poll_threads();
4126 	CU_ASSERT(g_bserrno == 0);
4127 }
4128 
4129 static void
4130 bs_version(void)
4131 {
4132 	struct spdk_bs_super_block *super;
4133 	struct spdk_bs_dev *dev;
4134 	struct spdk_bs_opts opts;
4135 	spdk_blob_id blobid;
4136 
4137 	dev = init_dev();
4138 	spdk_bs_opts_init(&opts);
4139 
4140 	/* Initialize a new blob store */
4141 	spdk_bs_init(dev, &opts, bs_op_with_handle_complete, NULL);
4142 	poll_threads();
4143 	CU_ASSERT(g_bserrno == 0);
4144 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
4145 
4146 	/* Unload the blob store */
4147 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
4148 	poll_threads();
4149 	CU_ASSERT(g_bserrno == 0);
4150 	g_bs = NULL;
4151 
4152 	/*
4153 	 * Change the bs version on disk.  This will allow us to
4154 	 *  test that the version does not get modified automatically
4155 	 *  when loading and unloading the blobstore.
4156 	 */
4157 	super = (struct spdk_bs_super_block *)&g_dev_buffer[0];
4158 	CU_ASSERT(super->version == SPDK_BS_VERSION);
4159 	CU_ASSERT(super->clean == 1);
4160 	super->version = 2;
4161 	/*
4162 	 * Version 2 metadata does not have a used blobid mask, so clear
4163 	 *  those fields in the super block and zero the corresponding
4164 	 *  region on "disk".  We will use this to ensure blob IDs are
4165 	 *  correctly reconstructed.
4166 	 */
4167 	memset(&g_dev_buffer[super->used_blobid_mask_start * SPDK_BS_PAGE_SIZE], 0,
4168 	       super->used_blobid_mask_len * SPDK_BS_PAGE_SIZE);
4169 	super->used_blobid_mask_start = 0;
4170 	super->used_blobid_mask_len = 0;
4171 	super->crc = _spdk_blob_md_page_calc_crc(super);
4172 
4173 	/* Load an existing blob store */
4174 	dev = init_dev();
4175 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
4176 	poll_threads();
4177 	CU_ASSERT(g_bserrno == 0);
4178 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
4179 	CU_ASSERT(super->clean == 1);
4180 
4181 	/*
4182 	 * Create a blob - just to make sure that when we unload it
4183 	 *  results in writing the super block (since metadata pages
4184 	 *  were allocated.
4185 	 */
4186 	spdk_bs_create_blob(g_bs, blob_op_with_id_complete, NULL);
4187 	poll_threads();
4188 	CU_ASSERT(g_bserrno == 0);
4189 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
4190 	blobid = g_blobid;
4191 
4192 	/* Unload the blob store */
4193 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
4194 	poll_threads();
4195 	CU_ASSERT(g_bserrno == 0);
4196 	g_bs = NULL;
4197 	CU_ASSERT(super->version == 2);
4198 	CU_ASSERT(super->used_blobid_mask_start == 0);
4199 	CU_ASSERT(super->used_blobid_mask_len == 0);
4200 
4201 	dev = init_dev();
4202 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
4203 	poll_threads();
4204 	CU_ASSERT(g_bserrno == 0);
4205 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
4206 
4207 	g_blob = NULL;
4208 	spdk_bs_open_blob(g_bs, blobid, blob_op_with_handle_complete, NULL);
4209 	poll_threads();
4210 	CU_ASSERT(g_bserrno == 0);
4211 	CU_ASSERT(g_blob != NULL);
4212 
4213 	spdk_blob_close(g_blob, blob_op_complete, NULL);
4214 	poll_threads();
4215 	CU_ASSERT(g_bserrno == 0);
4216 
4217 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
4218 	poll_threads();
4219 	CU_ASSERT(g_bserrno == 0);
4220 	g_bs = NULL;
4221 	CU_ASSERT(super->version == 2);
4222 	CU_ASSERT(super->used_blobid_mask_start == 0);
4223 	CU_ASSERT(super->used_blobid_mask_len == 0);
4224 }
4225 
4226 static void
4227 blob_set_xattrs(void)
4228 {
4229 	struct spdk_blob_store *bs;
4230 	struct spdk_bs_dev *dev;
4231 	struct spdk_blob *blob;
4232 	struct spdk_blob_opts opts;
4233 	spdk_blob_id blobid;
4234 	const void *value;
4235 	size_t value_len;
4236 	char *xattr;
4237 	size_t xattr_length;
4238 	int rc;
4239 
4240 	dev = init_dev();
4241 
4242 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
4243 	poll_threads();
4244 	CU_ASSERT(g_bserrno == 0);
4245 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
4246 	bs = g_bs;
4247 
4248 	/* Create blob with extra attributes */
4249 	spdk_blob_opts_init(&opts);
4250 
4251 	opts.xattrs.names = g_xattr_names;
4252 	opts.xattrs.get_value = _get_xattr_value;
4253 	opts.xattrs.count = 3;
4254 	opts.xattrs.ctx = &g_ctx;
4255 
4256 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
4257 	poll_threads();
4258 	CU_ASSERT(g_bserrno == 0);
4259 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
4260 	blobid = g_blobid;
4261 
4262 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
4263 	poll_threads();
4264 	CU_ASSERT(g_bserrno == 0);
4265 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
4266 	blob = g_blob;
4267 
4268 	/* Get the xattrs */
4269 	value = NULL;
4270 
4271 	rc = spdk_blob_get_xattr_value(blob, g_xattr_names[0], &value, &value_len);
4272 	CU_ASSERT(rc == 0);
4273 	SPDK_CU_ASSERT_FATAL(value != NULL);
4274 	CU_ASSERT(value_len == strlen(g_xattr_values[0]));
4275 	CU_ASSERT_NSTRING_EQUAL_FATAL(value, g_xattr_values[0], value_len);
4276 
4277 	rc = spdk_blob_get_xattr_value(blob, g_xattr_names[1], &value, &value_len);
4278 	CU_ASSERT(rc == 0);
4279 	SPDK_CU_ASSERT_FATAL(value != NULL);
4280 	CU_ASSERT(value_len == strlen(g_xattr_values[1]));
4281 	CU_ASSERT_NSTRING_EQUAL((char *)value, g_xattr_values[1], value_len);
4282 
4283 	rc = spdk_blob_get_xattr_value(blob, g_xattr_names[2], &value, &value_len);
4284 	CU_ASSERT(rc == 0);
4285 	SPDK_CU_ASSERT_FATAL(value != NULL);
4286 	CU_ASSERT(value_len == strlen(g_xattr_values[2]));
4287 	CU_ASSERT_NSTRING_EQUAL((char *)value, g_xattr_values[2], value_len);
4288 
4289 	/* Try to get non existing attribute */
4290 
4291 	rc = spdk_blob_get_xattr_value(blob, "foobar", &value, &value_len);
4292 	CU_ASSERT(rc == -ENOENT);
4293 
4294 	/* Try xattr exceeding maximum length of descriptor in single page */
4295 	xattr_length = SPDK_BS_MAX_DESC_SIZE - sizeof(struct spdk_blob_md_descriptor_xattr) -
4296 		       strlen("large_xattr") + 1;
4297 	xattr = calloc(xattr_length, sizeof(char));
4298 	SPDK_CU_ASSERT_FATAL(xattr != NULL);
4299 	rc = spdk_blob_set_xattr(blob, "large_xattr", xattr, xattr_length);
4300 	free(xattr);
4301 	SPDK_CU_ASSERT_FATAL(rc == -ENOMEM);
4302 
4303 	spdk_blob_close(blob, blob_op_complete, NULL);
4304 	poll_threads();
4305 	CU_ASSERT(g_bserrno == 0);
4306 	blob = NULL;
4307 	g_blob = NULL;
4308 	g_blobid = SPDK_BLOBID_INVALID;
4309 
4310 	/* NULL callback */
4311 	spdk_blob_opts_init(&opts);
4312 	opts.xattrs.names = g_xattr_names;
4313 	opts.xattrs.get_value = NULL;
4314 	opts.xattrs.count = 1;
4315 	opts.xattrs.ctx = &g_ctx;
4316 
4317 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
4318 	poll_threads();
4319 	CU_ASSERT(g_bserrno == -EINVAL);
4320 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
4321 
4322 	/* NULL values */
4323 	spdk_blob_opts_init(&opts);
4324 	opts.xattrs.names = g_xattr_names;
4325 	opts.xattrs.get_value = _get_xattr_value_null;
4326 	opts.xattrs.count = 1;
4327 	opts.xattrs.ctx = NULL;
4328 
4329 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
4330 	poll_threads();
4331 	CU_ASSERT(g_bserrno == -EINVAL);
4332 
4333 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
4334 	poll_threads();
4335 	CU_ASSERT(g_bserrno == 0);
4336 	g_bs = NULL;
4337 
4338 }
4339 
4340 static void
4341 blob_thin_prov_alloc(void)
4342 {
4343 	struct spdk_blob_store *bs;
4344 	struct spdk_bs_dev *dev;
4345 	struct spdk_blob *blob;
4346 	struct spdk_blob_opts opts;
4347 	spdk_blob_id blobid;
4348 	uint64_t free_clusters;
4349 
4350 	dev = init_dev();
4351 
4352 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
4353 	poll_threads();
4354 	CU_ASSERT(g_bserrno == 0);
4355 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
4356 	bs = g_bs;
4357 	free_clusters = spdk_bs_free_cluster_count(bs);
4358 
4359 	/* Set blob as thin provisioned */
4360 	spdk_blob_opts_init(&opts);
4361 	opts.thin_provision = true;
4362 
4363 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
4364 	poll_threads();
4365 	CU_ASSERT(g_bserrno == 0);
4366 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
4367 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
4368 	blobid = g_blobid;
4369 
4370 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
4371 	poll_threads();
4372 	CU_ASSERT(g_bserrno == 0);
4373 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
4374 	blob = g_blob;
4375 
4376 	CU_ASSERT(blob->active.num_clusters == 0);
4377 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 0);
4378 
4379 	/* The blob started at 0 clusters. Resize it to be 5, but still unallocated. */
4380 	spdk_blob_resize(blob, 5, blob_op_complete, NULL);
4381 	poll_threads();
4382 	CU_ASSERT(g_bserrno == 0);
4383 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
4384 	CU_ASSERT(blob->active.num_clusters == 5);
4385 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 5);
4386 
4387 	/* Grow it to 1TB - still unallocated */
4388 	spdk_blob_resize(blob, 262144, blob_op_complete, NULL);
4389 	poll_threads();
4390 	CU_ASSERT(g_bserrno == 0);
4391 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
4392 	CU_ASSERT(blob->active.num_clusters == 262144);
4393 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 262144);
4394 
4395 	spdk_blob_sync_md(blob, blob_op_complete, NULL);
4396 	poll_threads();
4397 	CU_ASSERT(g_bserrno == 0);
4398 	/* Sync must not change anything */
4399 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
4400 	CU_ASSERT(blob->active.num_clusters == 262144);
4401 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 262144);
4402 	/* Since clusters are not allocated,
4403 	 * number of metadata pages is expected to be minimal.
4404 	 */
4405 	CU_ASSERT(blob->active.num_pages == 1);
4406 
4407 	/* Shrink the blob to 3 clusters - still unallocated */
4408 	spdk_blob_resize(blob, 3, blob_op_complete, NULL);
4409 	poll_threads();
4410 	CU_ASSERT(g_bserrno == 0);
4411 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
4412 	CU_ASSERT(blob->active.num_clusters == 3);
4413 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 3);
4414 
4415 	spdk_blob_sync_md(blob, blob_op_complete, NULL);
4416 	poll_threads();
4417 	CU_ASSERT(g_bserrno == 0);
4418 	/* Sync must not change anything */
4419 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
4420 	CU_ASSERT(blob->active.num_clusters == 3);
4421 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 3);
4422 
4423 	spdk_blob_close(blob, blob_op_complete, NULL);
4424 	poll_threads();
4425 	CU_ASSERT(g_bserrno == 0);
4426 
4427 	/* Unload the blob store */
4428 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
4429 	poll_threads();
4430 	CU_ASSERT(g_bserrno == 0);
4431 	g_bs = NULL;
4432 	g_blob = NULL;
4433 	g_blobid = 0;
4434 
4435 	/* Load an existing blob store */
4436 	dev = init_dev();
4437 	spdk_bs_load(dev, NULL, bs_op_with_handle_complete, NULL);
4438 	poll_threads();
4439 	CU_ASSERT(g_bserrno == 0);
4440 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
4441 
4442 	bs = g_bs;
4443 
4444 	spdk_bs_open_blob(g_bs, blobid, blob_op_with_handle_complete, NULL);
4445 	poll_threads();
4446 	CU_ASSERT(g_bserrno == 0);
4447 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
4448 	blob = g_blob;
4449 
4450 	/* Check that clusters allocation and size is still the same */
4451 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
4452 	CU_ASSERT(blob->active.num_clusters == 3);
4453 
4454 	spdk_blob_close(blob, blob_op_complete, NULL);
4455 	poll_threads();
4456 	CU_ASSERT(g_bserrno == 0);
4457 
4458 	spdk_bs_delete_blob(bs, blobid, blob_op_complete, NULL);
4459 	poll_threads();
4460 	CU_ASSERT(g_bserrno == 0);
4461 
4462 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
4463 	poll_threads();
4464 	CU_ASSERT(g_bserrno == 0);
4465 	g_bs = NULL;
4466 }
4467 
4468 static void
4469 blob_insert_cluster_msg(void)
4470 {
4471 	struct spdk_blob_store *bs;
4472 	struct spdk_bs_dev *dev;
4473 	struct spdk_blob *blob;
4474 	struct spdk_blob_opts opts;
4475 	spdk_blob_id blobid;
4476 	uint64_t free_clusters;
4477 
4478 	dev = init_dev();
4479 
4480 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
4481 	poll_threads();
4482 	CU_ASSERT(g_bserrno == 0);
4483 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
4484 	bs = g_bs;
4485 	free_clusters = spdk_bs_free_cluster_count(bs);
4486 
4487 	/* Set blob as thin provisioned */
4488 	spdk_blob_opts_init(&opts);
4489 	opts.thin_provision = true;
4490 	opts.num_clusters = 4;
4491 
4492 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
4493 	poll_threads();
4494 	CU_ASSERT(g_bserrno == 0);
4495 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
4496 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
4497 	blobid = g_blobid;
4498 
4499 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
4500 	poll_threads();
4501 	CU_ASSERT(g_bserrno == 0);
4502 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
4503 	blob = g_blob;
4504 
4505 	CU_ASSERT(blob->active.num_clusters == 4);
4506 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 4);
4507 	CU_ASSERT(blob->active.clusters[1] == 0);
4508 
4509 	_spdk_bs_claim_cluster(bs, 0xF);
4510 	_spdk_blob_insert_cluster_on_md_thread(blob, 1, 0xF, blob_op_complete, NULL);
4511 	poll_threads();
4512 
4513 	CU_ASSERT(blob->active.clusters[1] != 0);
4514 
4515 	spdk_blob_close(blob, blob_op_complete, NULL);
4516 	poll_threads();
4517 	CU_ASSERT(g_bserrno == 0);
4518 
4519 	/* Unload the blob store */
4520 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
4521 	poll_threads();
4522 	CU_ASSERT(g_bserrno == 0);
4523 	g_bs = NULL;
4524 	g_blob = NULL;
4525 	g_blobid = 0;
4526 
4527 	/* Load an existing blob store */
4528 	dev = init_dev();
4529 	spdk_bs_load(dev, NULL, bs_op_with_handle_complete, NULL);
4530 	poll_threads();
4531 	CU_ASSERT(g_bserrno == 0);
4532 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
4533 
4534 	bs = g_bs;
4535 
4536 	spdk_bs_open_blob(g_bs, blobid, blob_op_with_handle_complete, NULL);
4537 	poll_threads();
4538 	CU_ASSERT(g_bserrno == 0);
4539 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
4540 	blob = g_blob;
4541 
4542 	CU_ASSERT(blob->active.clusters[1] != 0);
4543 
4544 	spdk_blob_close(blob, blob_op_complete, NULL);
4545 	poll_threads();
4546 	CU_ASSERT(g_bserrno == 0);
4547 
4548 	spdk_bs_delete_blob(bs, blobid, blob_op_complete, NULL);
4549 	poll_threads();
4550 	CU_ASSERT(g_bserrno == 0);
4551 
4552 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
4553 	poll_threads();
4554 	CU_ASSERT(g_bserrno == 0);
4555 	g_bs = NULL;
4556 }
4557 
4558 static void
4559 blob_thin_prov_rw(void)
4560 {
4561 	static const uint8_t zero[10 * 4096] = { 0 };
4562 	struct spdk_blob_store *bs;
4563 	struct spdk_bs_dev *dev;
4564 	struct spdk_blob *blob;
4565 	struct spdk_io_channel *channel, *channel_thread1;
4566 	struct spdk_blob_opts opts;
4567 	spdk_blob_id blobid;
4568 	uint64_t free_clusters;
4569 	uint64_t page_size;
4570 	uint8_t payload_read[10 * 4096];
4571 	uint8_t payload_write[10 * 4096];
4572 	uint64_t write_bytes;
4573 	uint64_t read_bytes;
4574 
4575 	dev = init_dev();
4576 
4577 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
4578 	poll_threads();
4579 	CU_ASSERT(g_bserrno == 0);
4580 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
4581 	bs = g_bs;
4582 	free_clusters = spdk_bs_free_cluster_count(bs);
4583 	page_size = spdk_bs_get_page_size(bs);
4584 
4585 	channel = spdk_bs_alloc_io_channel(bs);
4586 	CU_ASSERT(channel != NULL);
4587 
4588 	spdk_blob_opts_init(&opts);
4589 	opts.thin_provision = true;
4590 
4591 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
4592 	poll_threads();
4593 	CU_ASSERT(g_bserrno == 0);
4594 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
4595 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
4596 	blobid = g_blobid;
4597 
4598 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
4599 	poll_threads();
4600 	CU_ASSERT(g_bserrno == 0);
4601 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
4602 	blob = g_blob;
4603 
4604 	CU_ASSERT(blob->active.num_clusters == 0);
4605 
4606 	/* The blob started at 0 clusters. Resize it to be 5, but still unallocated. */
4607 	spdk_blob_resize(blob, 5, blob_op_complete, NULL);
4608 	poll_threads();
4609 	CU_ASSERT(g_bserrno == 0);
4610 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
4611 	CU_ASSERT(blob->active.num_clusters == 5);
4612 
4613 	spdk_blob_sync_md(blob, blob_op_complete, NULL);
4614 	poll_threads();
4615 	CU_ASSERT(g_bserrno == 0);
4616 	/* Sync must not change anything */
4617 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
4618 	CU_ASSERT(blob->active.num_clusters == 5);
4619 
4620 	/* Payload should be all zeros from unallocated clusters */
4621 	memset(payload_read, 0xFF, sizeof(payload_read));
4622 	spdk_blob_io_read(blob, channel, payload_read, 4, 10, blob_op_complete, NULL);
4623 	poll_threads();
4624 	CU_ASSERT(g_bserrno == 0);
4625 	CU_ASSERT(memcmp(zero, payload_read, 10 * 4096) == 0);
4626 
4627 	write_bytes = g_dev_write_bytes;
4628 	read_bytes = g_dev_read_bytes;
4629 
4630 	/* Perform write on thread 1. That will allocate cluster on thread 0 via send_msg */
4631 	set_thread(1);
4632 	channel_thread1 = spdk_bs_alloc_io_channel(bs);
4633 	CU_ASSERT(channel_thread1 != NULL);
4634 	memset(payload_write, 0xE5, sizeof(payload_write));
4635 	spdk_blob_io_write(blob, channel_thread1, payload_write, 4, 10, blob_op_complete, NULL);
4636 	CU_ASSERT(free_clusters - 1 == spdk_bs_free_cluster_count(bs));
4637 	/* Perform write on thread 0. That will try to allocate cluster,
4638 	 * but fail due to another thread issuing the cluster allocation first. */
4639 	set_thread(0);
4640 	memset(payload_write, 0xE5, sizeof(payload_write));
4641 	spdk_blob_io_write(blob, channel, payload_write, 4, 10, blob_op_complete, NULL);
4642 	CU_ASSERT(free_clusters - 2 == spdk_bs_free_cluster_count(bs));
4643 	poll_threads();
4644 	CU_ASSERT(g_bserrno == 0);
4645 	CU_ASSERT(free_clusters - 1 == spdk_bs_free_cluster_count(bs));
4646 	/* For thin-provisioned blob we need to write 20 pages plus one page metadata and
4647 	 * read 0 bytes */
4648 	CU_ASSERT(g_dev_write_bytes - write_bytes == page_size * 21);
4649 	CU_ASSERT(g_dev_read_bytes - read_bytes == 0);
4650 
4651 	spdk_blob_io_read(blob, channel, payload_read, 4, 10, blob_op_complete, NULL);
4652 	poll_threads();
4653 	CU_ASSERT(g_bserrno == 0);
4654 	CU_ASSERT(memcmp(payload_write, payload_read, 10 * 4096) == 0);
4655 
4656 	spdk_blob_close(blob, blob_op_complete, NULL);
4657 	poll_threads();
4658 	CU_ASSERT(g_bserrno == 0);
4659 
4660 	spdk_bs_delete_blob(bs, blobid, blob_op_complete, NULL);
4661 	poll_threads();
4662 	CU_ASSERT(g_bserrno == 0);
4663 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
4664 
4665 	spdk_bs_free_io_channel(channel_thread1);
4666 	spdk_bs_free_io_channel(channel);
4667 	poll_threads();
4668 
4669 	/* Unload the blob store */
4670 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
4671 	poll_threads();
4672 	CU_ASSERT(g_bserrno == 0);
4673 	g_bs = NULL;
4674 	g_blob = NULL;
4675 	g_blobid = 0;
4676 }
4677 
4678 static void
4679 blob_thin_prov_rw_iov(void)
4680 {
4681 	static const uint8_t zero[10 * 4096] = { 0 };
4682 	struct spdk_blob_store *bs;
4683 	struct spdk_bs_dev *dev;
4684 	struct spdk_blob *blob;
4685 	struct spdk_io_channel *channel;
4686 	struct spdk_blob_opts opts;
4687 	spdk_blob_id blobid;
4688 	uint64_t free_clusters;
4689 	uint8_t payload_read[10 * 4096];
4690 	uint8_t payload_write[10 * 4096];
4691 	struct iovec iov_read[3];
4692 	struct iovec iov_write[3];
4693 
4694 	dev = init_dev();
4695 
4696 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
4697 	poll_threads();
4698 	CU_ASSERT(g_bserrno == 0);
4699 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
4700 	bs = g_bs;
4701 	free_clusters = spdk_bs_free_cluster_count(bs);
4702 
4703 	channel = spdk_bs_alloc_io_channel(bs);
4704 	CU_ASSERT(channel != NULL);
4705 
4706 	spdk_blob_opts_init(&opts);
4707 	opts.thin_provision = true;
4708 
4709 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
4710 	poll_threads();
4711 	CU_ASSERT(g_bserrno == 0);
4712 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
4713 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
4714 	blobid = g_blobid;
4715 
4716 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
4717 	poll_threads();
4718 	CU_ASSERT(g_bserrno == 0);
4719 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
4720 	blob = g_blob;
4721 
4722 	CU_ASSERT(blob->active.num_clusters == 0);
4723 
4724 	/* The blob started at 0 clusters. Resize it to be 5, but still unallocated. */
4725 	spdk_blob_resize(blob, 5, blob_op_complete, NULL);
4726 	poll_threads();
4727 	CU_ASSERT(g_bserrno == 0);
4728 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
4729 	CU_ASSERT(blob->active.num_clusters == 5);
4730 
4731 	spdk_blob_sync_md(blob, blob_op_complete, NULL);
4732 	poll_threads();
4733 	CU_ASSERT(g_bserrno == 0);
4734 	/* Sync must not change anything */
4735 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
4736 	CU_ASSERT(blob->active.num_clusters == 5);
4737 
4738 	/* Payload should be all zeros from unallocated clusters */
4739 	memset(payload_read, 0xAA, sizeof(payload_read));
4740 	iov_read[0].iov_base = payload_read;
4741 	iov_read[0].iov_len = 3 * 4096;
4742 	iov_read[1].iov_base = payload_read + 3 * 4096;
4743 	iov_read[1].iov_len = 4 * 4096;
4744 	iov_read[2].iov_base = payload_read + 7 * 4096;
4745 	iov_read[2].iov_len = 3 * 4096;
4746 	spdk_blob_io_readv(blob, channel, iov_read, 3, 250, 10, blob_op_complete, NULL);
4747 	poll_threads();
4748 	CU_ASSERT(g_bserrno == 0);
4749 	CU_ASSERT(memcmp(zero, payload_read, 10 * 4096) == 0);
4750 
4751 	memset(payload_write, 0xE5, sizeof(payload_write));
4752 	iov_write[0].iov_base = payload_write;
4753 	iov_write[0].iov_len = 1 * 4096;
4754 	iov_write[1].iov_base = payload_write + 1 * 4096;
4755 	iov_write[1].iov_len = 5 * 4096;
4756 	iov_write[2].iov_base = payload_write + 6 * 4096;
4757 	iov_write[2].iov_len = 4 * 4096;
4758 
4759 	spdk_blob_io_writev(blob, channel, iov_write, 3, 250, 10, blob_op_complete, NULL);
4760 	poll_threads();
4761 	CU_ASSERT(g_bserrno == 0);
4762 
4763 	memset(payload_read, 0xAA, sizeof(payload_read));
4764 	iov_read[0].iov_base = payload_read;
4765 	iov_read[0].iov_len = 3 * 4096;
4766 	iov_read[1].iov_base = payload_read + 3 * 4096;
4767 	iov_read[1].iov_len = 4 * 4096;
4768 	iov_read[2].iov_base = payload_read + 7 * 4096;
4769 	iov_read[2].iov_len = 3 * 4096;
4770 	spdk_blob_io_readv(blob, channel, iov_read, 3, 250, 10, blob_op_complete, NULL);
4771 	poll_threads();
4772 	CU_ASSERT(g_bserrno == 0);
4773 	CU_ASSERT(memcmp(payload_write, payload_read, 10 * 4096) == 0);
4774 
4775 	spdk_blob_close(blob, blob_op_complete, NULL);
4776 	poll_threads();
4777 	CU_ASSERT(g_bserrno == 0);
4778 
4779 	spdk_bs_free_io_channel(channel);
4780 	poll_threads();
4781 
4782 	/* Unload the blob store */
4783 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
4784 	poll_threads();
4785 	CU_ASSERT(g_bserrno == 0);
4786 	g_bs = NULL;
4787 	g_blob = NULL;
4788 	g_blobid = 0;
4789 }
4790 
4791 struct iter_ctx {
4792 	int		current_iter;
4793 	spdk_blob_id	blobid[4];
4794 };
4795 
4796 static void
4797 test_iter(void *arg, struct spdk_blob *blob, int bserrno)
4798 {
4799 	struct iter_ctx *iter_ctx = arg;
4800 	spdk_blob_id blobid;
4801 
4802 	CU_ASSERT(bserrno == 0);
4803 	blobid = spdk_blob_get_id(blob);
4804 	CU_ASSERT(blobid == iter_ctx->blobid[iter_ctx->current_iter++]);
4805 }
4806 
4807 static void
4808 bs_load_iter(void)
4809 {
4810 	struct spdk_bs_dev *dev;
4811 	struct iter_ctx iter_ctx = { 0 };
4812 	struct spdk_blob *blob;
4813 	int i, rc;
4814 	struct spdk_bs_opts opts;
4815 
4816 	dev = init_dev();
4817 	spdk_bs_opts_init(&opts);
4818 	snprintf(opts.bstype.bstype, sizeof(opts.bstype.bstype), "TESTTYPE");
4819 
4820 	/* Initialize a new blob store */
4821 	spdk_bs_init(dev, &opts, bs_op_with_handle_complete, NULL);
4822 	poll_threads();
4823 	CU_ASSERT(g_bserrno == 0);
4824 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
4825 
4826 	for (i = 0; i < 4; i++) {
4827 		g_bserrno = -1;
4828 		g_blobid = SPDK_BLOBID_INVALID;
4829 		spdk_bs_create_blob(g_bs, blob_op_with_id_complete, NULL);
4830 		poll_threads();
4831 		CU_ASSERT(g_bserrno == 0);
4832 		CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
4833 		iter_ctx.blobid[i] = g_blobid;
4834 
4835 		g_bserrno = -1;
4836 		g_blob = NULL;
4837 		spdk_bs_open_blob(g_bs, g_blobid, blob_op_with_handle_complete, NULL);
4838 		poll_threads();
4839 		CU_ASSERT(g_bserrno == 0);
4840 		CU_ASSERT(g_blob != NULL);
4841 		blob = g_blob;
4842 
4843 		/* Just save the blobid as an xattr for testing purposes. */
4844 		rc = spdk_blob_set_xattr(blob, "blobid", &g_blobid, sizeof(g_blobid));
4845 		CU_ASSERT(rc == 0);
4846 
4847 		/* Resize the blob */
4848 		spdk_blob_resize(blob, i, blob_op_complete, NULL);
4849 		poll_threads();
4850 		CU_ASSERT(g_bserrno == 0);
4851 
4852 		spdk_blob_close(blob, blob_op_complete, NULL);
4853 		poll_threads();
4854 		CU_ASSERT(g_bserrno == 0);
4855 	}
4856 
4857 	g_bserrno = -1;
4858 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
4859 	poll_threads();
4860 	CU_ASSERT(g_bserrno == 0);
4861 
4862 	dev = init_dev();
4863 	spdk_bs_opts_init(&opts);
4864 	snprintf(opts.bstype.bstype, sizeof(opts.bstype.bstype), "TESTTYPE");
4865 	opts.iter_cb_fn = test_iter;
4866 	opts.iter_cb_arg = &iter_ctx;
4867 
4868 	/* Test blob iteration during load after a clean shutdown. */
4869 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
4870 	poll_threads();
4871 	CU_ASSERT(g_bserrno == 0);
4872 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
4873 
4874 	/* Dirty shutdown */
4875 	_spdk_bs_free(g_bs);
4876 
4877 	dev = init_dev();
4878 	spdk_bs_opts_init(&opts);
4879 	snprintf(opts.bstype.bstype, sizeof(opts.bstype.bstype), "TESTTYPE");
4880 	opts.iter_cb_fn = test_iter;
4881 	iter_ctx.current_iter = 0;
4882 	opts.iter_cb_arg = &iter_ctx;
4883 
4884 	/* Test blob iteration during load after a dirty shutdown. */
4885 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
4886 	poll_threads();
4887 	CU_ASSERT(g_bserrno == 0);
4888 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
4889 
4890 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
4891 	poll_threads();
4892 	CU_ASSERT(g_bserrno == 0);
4893 	g_bs = NULL;
4894 }
4895 
4896 static void
4897 blob_snapshot_rw(void)
4898 {
4899 	static const uint8_t zero[10 * 4096] = { 0 };
4900 	struct spdk_blob_store *bs;
4901 	struct spdk_bs_dev *dev;
4902 	struct spdk_blob *blob, *snapshot;
4903 	struct spdk_io_channel *channel;
4904 	struct spdk_blob_opts opts;
4905 	spdk_blob_id blobid, snapshotid;
4906 	uint64_t free_clusters;
4907 	uint64_t cluster_size;
4908 	uint64_t page_size;
4909 	uint8_t payload_read[10 * 4096];
4910 	uint8_t payload_write[10 * 4096];
4911 	uint64_t write_bytes;
4912 	uint64_t read_bytes;
4913 
4914 	dev = init_dev();
4915 
4916 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
4917 	poll_threads();
4918 	CU_ASSERT(g_bserrno == 0);
4919 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
4920 	bs = g_bs;
4921 	free_clusters = spdk_bs_free_cluster_count(bs);
4922 	cluster_size = spdk_bs_get_cluster_size(bs);
4923 	page_size = spdk_bs_get_page_size(bs);
4924 
4925 	channel = spdk_bs_alloc_io_channel(bs);
4926 	CU_ASSERT(channel != NULL);
4927 
4928 	spdk_blob_opts_init(&opts);
4929 	opts.thin_provision = true;
4930 	opts.num_clusters = 5;
4931 
4932 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
4933 	poll_threads();
4934 	CU_ASSERT(g_bserrno == 0);
4935 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
4936 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
4937 	blobid = g_blobid;
4938 
4939 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
4940 	poll_threads();
4941 	CU_ASSERT(g_bserrno == 0);
4942 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
4943 	blob = g_blob;
4944 
4945 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 5);
4946 
4947 	memset(payload_read, 0xFF, sizeof(payload_read));
4948 	spdk_blob_io_read(blob, channel, payload_read, 4, 10, blob_op_complete, NULL);
4949 	poll_threads();
4950 	CU_ASSERT(g_bserrno == 0);
4951 	CU_ASSERT(memcmp(zero, payload_read, 10 * 4096) == 0);
4952 
4953 	memset(payload_write, 0xE5, sizeof(payload_write));
4954 	spdk_blob_io_write(blob, channel, payload_write, 4, 10, blob_op_complete, NULL);
4955 	poll_threads();
4956 	CU_ASSERT(g_bserrno == 0);
4957 	CU_ASSERT(free_clusters != spdk_bs_free_cluster_count(bs));
4958 
4959 	/* Create snapshot from blob */
4960 	spdk_bs_create_snapshot(bs, blobid, NULL, blob_op_with_id_complete, NULL);
4961 	poll_threads();
4962 	CU_ASSERT(g_bserrno == 0);
4963 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
4964 	snapshotid = g_blobid;
4965 
4966 	spdk_bs_open_blob(bs, snapshotid, blob_op_with_handle_complete, NULL);
4967 	poll_threads();
4968 	CU_ASSERT(g_bserrno == 0);
4969 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
4970 	snapshot = g_blob;
4971 	CU_ASSERT(snapshot->data_ro == true)
4972 	CU_ASSERT(snapshot->md_ro == true)
4973 
4974 	CU_ASSERT(spdk_blob_get_num_clusters(snapshot) == 5)
4975 
4976 	write_bytes = g_dev_write_bytes;
4977 	read_bytes = g_dev_read_bytes;
4978 
4979 	memset(payload_write, 0xAA, sizeof(payload_write));
4980 	spdk_blob_io_write(blob, channel, payload_write, 4, 10, blob_op_complete, NULL);
4981 	poll_threads();
4982 	CU_ASSERT(g_bserrno == 0);
4983 	CU_ASSERT(free_clusters != spdk_bs_free_cluster_count(bs));
4984 
4985 	/* For a clone we need to allocate and copy one cluster, update one page of metadata
4986 	 * and then write 10 pages of payload.
4987 	 */
4988 	CU_ASSERT(g_dev_write_bytes - write_bytes == page_size * 11 + cluster_size);
4989 	CU_ASSERT(g_dev_read_bytes - read_bytes == cluster_size);
4990 
4991 	spdk_blob_io_read(blob, channel, payload_read, 4, 10, blob_op_complete, NULL);
4992 	poll_threads();
4993 	CU_ASSERT(g_bserrno == 0);
4994 	CU_ASSERT(memcmp(payload_write, payload_read, 10 * 4096) == 0);
4995 
4996 	/* Data on snapshot should not change after write to clone */
4997 	memset(payload_write, 0xE5, sizeof(payload_write));
4998 	spdk_blob_io_read(snapshot, channel, payload_read, 4, 10, blob_op_complete, NULL);
4999 	poll_threads();
5000 	CU_ASSERT(g_bserrno == 0);
5001 	CU_ASSERT(memcmp(payload_write, payload_read, 10 * 4096) == 0);
5002 
5003 	spdk_blob_close(blob, blob_op_complete, NULL);
5004 	poll_threads();
5005 	CU_ASSERT(g_bserrno == 0);
5006 
5007 	spdk_blob_close(snapshot, blob_op_complete, NULL);
5008 	poll_threads();
5009 	CU_ASSERT(g_bserrno == 0);
5010 
5011 	spdk_bs_delete_blob(bs, blobid, blob_op_complete, NULL);
5012 	poll_threads();
5013 	CU_ASSERT(g_bserrno == 0);
5014 
5015 	spdk_bs_delete_blob(bs, snapshotid, blob_op_complete, NULL);
5016 	poll_threads();
5017 	CU_ASSERT(g_bserrno == 0);
5018 
5019 	spdk_bs_free_io_channel(channel);
5020 	poll_threads();
5021 
5022 	/* Unload the blob store */
5023 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
5024 	poll_threads();
5025 	CU_ASSERT(g_bserrno == 0);
5026 	g_bs = NULL;
5027 	g_blob = NULL;
5028 	g_blobid = 0;
5029 }
5030 
5031 static void
5032 blob_snapshot_rw_iov(void)
5033 {
5034 	static const uint8_t zero[10 * 4096] = { 0 };
5035 	struct spdk_blob_store *bs;
5036 	struct spdk_bs_dev *dev;
5037 	struct spdk_blob *blob, *snapshot;
5038 	struct spdk_io_channel *channel;
5039 	struct spdk_blob_opts opts;
5040 	spdk_blob_id blobid, snapshotid;
5041 	uint64_t free_clusters;
5042 	uint8_t payload_read[10 * 4096];
5043 	uint8_t payload_write[10 * 4096];
5044 	struct iovec iov_read[3];
5045 	struct iovec iov_write[3];
5046 
5047 	dev = init_dev();
5048 
5049 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
5050 	poll_threads();
5051 	CU_ASSERT(g_bserrno == 0);
5052 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
5053 	bs = g_bs;
5054 	free_clusters = spdk_bs_free_cluster_count(bs);
5055 
5056 	channel = spdk_bs_alloc_io_channel(bs);
5057 	CU_ASSERT(channel != NULL);
5058 
5059 	spdk_blob_opts_init(&opts);
5060 	opts.thin_provision = true;
5061 	opts.num_clusters = 5;
5062 
5063 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
5064 	poll_threads();
5065 	CU_ASSERT(g_bserrno == 0);
5066 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
5067 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
5068 	blobid = g_blobid;
5069 
5070 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
5071 	poll_threads();
5072 	CU_ASSERT(g_bserrno == 0);
5073 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
5074 	blob = g_blob;
5075 
5076 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 5);
5077 
5078 	/* Create snapshot from blob */
5079 	spdk_bs_create_snapshot(bs, blobid, NULL, blob_op_with_id_complete, NULL);
5080 	poll_threads();
5081 	CU_ASSERT(g_bserrno == 0);
5082 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
5083 	snapshotid = g_blobid;
5084 
5085 	spdk_bs_open_blob(bs, snapshotid, blob_op_with_handle_complete, NULL);
5086 	poll_threads();
5087 	CU_ASSERT(g_bserrno == 0);
5088 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
5089 	snapshot = g_blob;
5090 	CU_ASSERT(snapshot->data_ro == true)
5091 	CU_ASSERT(snapshot->md_ro == true)
5092 	CU_ASSERT(spdk_blob_get_num_clusters(snapshot) == 5);
5093 
5094 	/* Payload should be all zeros from unallocated clusters */
5095 	memset(payload_read, 0xAA, sizeof(payload_read));
5096 	iov_read[0].iov_base = payload_read;
5097 	iov_read[0].iov_len = 3 * 4096;
5098 	iov_read[1].iov_base = payload_read + 3 * 4096;
5099 	iov_read[1].iov_len = 4 * 4096;
5100 	iov_read[2].iov_base = payload_read + 7 * 4096;
5101 	iov_read[2].iov_len = 3 * 4096;
5102 	spdk_blob_io_readv(blob, channel, iov_read, 3, 250, 10, blob_op_complete, NULL);
5103 	poll_threads();
5104 	CU_ASSERT(g_bserrno == 0);
5105 	CU_ASSERT(memcmp(zero, payload_read, 10 * 4096) == 0);
5106 
5107 	memset(payload_write, 0xE5, sizeof(payload_write));
5108 	iov_write[0].iov_base = payload_write;
5109 	iov_write[0].iov_len = 1 * 4096;
5110 	iov_write[1].iov_base = payload_write + 1 * 4096;
5111 	iov_write[1].iov_len = 5 * 4096;
5112 	iov_write[2].iov_base = payload_write + 6 * 4096;
5113 	iov_write[2].iov_len = 4 * 4096;
5114 
5115 	spdk_blob_io_writev(blob, channel, iov_write, 3, 250, 10, blob_op_complete, NULL);
5116 	poll_threads();
5117 	CU_ASSERT(g_bserrno == 0);
5118 
5119 	memset(payload_read, 0xAA, sizeof(payload_read));
5120 	iov_read[0].iov_base = payload_read;
5121 	iov_read[0].iov_len = 3 * 4096;
5122 	iov_read[1].iov_base = payload_read + 3 * 4096;
5123 	iov_read[1].iov_len = 4 * 4096;
5124 	iov_read[2].iov_base = payload_read + 7 * 4096;
5125 	iov_read[2].iov_len = 3 * 4096;
5126 	spdk_blob_io_readv(blob, channel, iov_read, 3, 250, 10, blob_op_complete, NULL);
5127 	poll_threads();
5128 	CU_ASSERT(g_bserrno == 0);
5129 	CU_ASSERT(memcmp(payload_write, payload_read, 10 * 4096) == 0);
5130 
5131 	spdk_blob_close(blob, blob_op_complete, NULL);
5132 	poll_threads();
5133 	CU_ASSERT(g_bserrno == 0);
5134 
5135 	spdk_blob_close(snapshot, blob_op_complete, NULL);
5136 	poll_threads();
5137 	CU_ASSERT(g_bserrno == 0);
5138 
5139 	spdk_bs_free_io_channel(channel);
5140 	poll_threads();
5141 
5142 	/* Unload the blob store */
5143 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
5144 	poll_threads();
5145 	CU_ASSERT(g_bserrno == 0);
5146 	g_bs = NULL;
5147 	g_blob = NULL;
5148 	g_blobid = 0;
5149 }
5150 
5151 /**
5152  * Inflate / decouple parent rw unit tests.
5153  *
5154  * --------------
5155  * original blob:         0         1         2         3         4
5156  *                   ,---------+---------+---------+---------+---------.
5157  *         snapshot  |xxxxxxxxx|xxxxxxxxx|xxxxxxxxx|xxxxxxxxx|    -    |
5158  *                   +---------+---------+---------+---------+---------+
5159  *         snapshot2 |    -    |yyyyyyyyy|    -    |yyyyyyyyy|    -    |
5160  *                   +---------+---------+---------+---------+---------+
5161  *         blob      |    -    |zzzzzzzzz|    -    |    -    |    -    |
5162  *                   '---------+---------+---------+---------+---------'
5163  *                   .         .         .         .         .         .
5164  * --------          .         .         .         .         .         .
5165  * inflate:          .         .         .         .         .         .
5166  *                   ,---------+---------+---------+---------+---------.
5167  *         blob      |xxxxxxxxx|zzzzzzzzz|xxxxxxxxx|yyyyyyyyy|000000000|
5168  *                   '---------+---------+---------+---------+---------'
5169  *
5170  *         NOTE: needs to allocate 4 clusters, thin provisioning removed, dependency
5171  *               on snapshot2 and snapshot removed .         .         .
5172  *                   .         .         .         .         .         .
5173  * ----------------  .         .         .         .         .         .
5174  * decouple parent:  .         .         .         .         .         .
5175  *                   ,---------+---------+---------+---------+---------.
5176  *         snapshot  |xxxxxxxxx|xxxxxxxxx|xxxxxxxxx|xxxxxxxxx|    -    |
5177  *                   +---------+---------+---------+---------+---------+
5178  *         blob      |    -    |zzzzzzzzz|    -    |yyyyyyyyy|    -    |
5179  *                   '---------+---------+---------+---------+---------'
5180  *
5181  *         NOTE: needs to allocate 1 cluster, 3 clusters unallocated, dependency
5182  *               on snapshot2 removed and on snapshot still exists. Snapshot2
5183  *               should remain a clone of snapshot.
5184  */
5185 static void
5186 _blob_inflate_rw(bool decouple_parent)
5187 {
5188 	struct spdk_blob_store *bs;
5189 	struct spdk_bs_dev *dev;
5190 	struct spdk_blob *blob, *snapshot, *snapshot2;
5191 	struct spdk_io_channel *channel;
5192 	struct spdk_blob_opts opts;
5193 	spdk_blob_id blobid, snapshotid, snapshot2id;
5194 	uint64_t free_clusters;
5195 	uint64_t cluster_size;
5196 
5197 	uint64_t payload_size;
5198 	uint8_t *payload_read;
5199 	uint8_t *payload_write;
5200 	uint8_t *payload_clone;
5201 
5202 	uint64_t pages_per_cluster;
5203 	uint64_t pages_per_payload;
5204 
5205 	int i;
5206 	spdk_blob_id ids[2];
5207 	size_t count;
5208 
5209 	dev = init_dev();
5210 
5211 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
5212 	poll_threads();
5213 	CU_ASSERT(g_bserrno == 0);
5214 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
5215 	bs = g_bs;
5216 
5217 	free_clusters = spdk_bs_free_cluster_count(bs);
5218 	cluster_size = spdk_bs_get_cluster_size(bs);
5219 	pages_per_cluster = cluster_size / spdk_bs_get_page_size(bs);
5220 	pages_per_payload = pages_per_cluster * 5;
5221 
5222 	payload_size = cluster_size * 5;
5223 
5224 	payload_read = malloc(payload_size);
5225 	SPDK_CU_ASSERT_FATAL(payload_read != NULL);
5226 
5227 	payload_write = malloc(payload_size);
5228 	SPDK_CU_ASSERT_FATAL(payload_write != NULL);
5229 
5230 	payload_clone = malloc(payload_size);
5231 	SPDK_CU_ASSERT_FATAL(payload_clone != NULL);
5232 
5233 	channel = spdk_bs_alloc_io_channel(bs);
5234 	SPDK_CU_ASSERT_FATAL(channel != NULL);
5235 
5236 	/* Create blob */
5237 	spdk_blob_opts_init(&opts);
5238 	opts.thin_provision = true;
5239 	opts.num_clusters = 5;
5240 
5241 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
5242 	poll_threads();
5243 	CU_ASSERT(g_bserrno == 0);
5244 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
5245 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
5246 	blobid = g_blobid;
5247 
5248 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
5249 	poll_threads();
5250 	CU_ASSERT(g_bserrno == 0);
5251 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
5252 	blob = g_blob;
5253 
5254 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 5);
5255 
5256 	/* 1) Initial read should return zeroed payload */
5257 	memset(payload_read, 0xFF, payload_size);
5258 	spdk_blob_io_read(blob, channel, payload_read, 0, pages_per_payload,
5259 			  blob_op_complete, NULL);
5260 	poll_threads();
5261 	CU_ASSERT(g_bserrno == 0);
5262 	CU_ASSERT(spdk_mem_all_zero(payload_read, payload_size));
5263 
5264 	/* Fill whole blob with a pattern, except last cluster (to be sure it
5265 	 * isn't allocated) */
5266 	memset(payload_write, 0xE5, payload_size - cluster_size);
5267 	spdk_blob_io_write(blob, channel, payload_write, 0, pages_per_payload -
5268 			   pages_per_cluster, blob_op_complete, NULL);
5269 	poll_threads();
5270 	CU_ASSERT(g_bserrno == 0);
5271 	CU_ASSERT(free_clusters != spdk_bs_free_cluster_count(bs));
5272 
5273 	/* 2) Create snapshot from blob (first level) */
5274 	spdk_bs_create_snapshot(bs, blobid, NULL, blob_op_with_id_complete, NULL);
5275 	poll_threads();
5276 	CU_ASSERT(g_bserrno == 0);
5277 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
5278 	snapshotid = g_blobid;
5279 
5280 	spdk_bs_open_blob(bs, snapshotid, blob_op_with_handle_complete, NULL);
5281 	poll_threads();
5282 	CU_ASSERT(g_bserrno == 0);
5283 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
5284 	snapshot = g_blob;
5285 	CU_ASSERT(snapshot->data_ro == true)
5286 	CU_ASSERT(snapshot->md_ro == true)
5287 
5288 	CU_ASSERT(spdk_blob_get_num_clusters(snapshot) == 5)
5289 
5290 	/* Write every second cluster with a pattern.
5291 	 *
5292 	 * Last cluster shouldn't be written, to be sure that snapshot nor clone
5293 	 * doesn't allocate it.
5294 	 *
5295 	 * payload_clone stores expected result on "blob" read at the time and
5296 	 * is used only to check data consistency on clone before and after
5297 	 * inflation. Initially we fill it with a backing snapshots pattern
5298 	 * used before.
5299 	 */
5300 	memset(payload_clone, 0xE5, payload_size - cluster_size);
5301 	memset(payload_clone + payload_size - cluster_size, 0x00, cluster_size);
5302 	memset(payload_write, 0xAA, payload_size);
5303 	for (i = 1; i < 5; i += 2) {
5304 		spdk_blob_io_write(blob, channel, payload_write, i * pages_per_cluster,
5305 				   pages_per_cluster, blob_op_complete, NULL);
5306 		poll_threads();
5307 		CU_ASSERT(g_bserrno == 0);
5308 
5309 		/* Update expected result */
5310 		memcpy(payload_clone + (cluster_size * i), payload_write,
5311 		       cluster_size);
5312 	}
5313 	CU_ASSERT(free_clusters != spdk_bs_free_cluster_count(bs));
5314 
5315 	/* Check data consistency on clone */
5316 	memset(payload_read, 0xFF, payload_size);
5317 	spdk_blob_io_read(blob, channel, payload_read, 0, pages_per_payload,
5318 			  blob_op_complete, NULL);
5319 	poll_threads();
5320 	CU_ASSERT(g_bserrno == 0);
5321 	CU_ASSERT(memcmp(payload_clone, payload_read, payload_size) == 0);
5322 
5323 	/* 3) Create second levels snapshot from blob */
5324 	spdk_bs_create_snapshot(bs, blobid, NULL, blob_op_with_id_complete, NULL);
5325 	poll_threads();
5326 	CU_ASSERT(g_bserrno == 0);
5327 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
5328 	snapshot2id = g_blobid;
5329 
5330 	spdk_bs_open_blob(bs, snapshot2id, blob_op_with_handle_complete, NULL);
5331 	poll_threads();
5332 	CU_ASSERT(g_bserrno == 0);
5333 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
5334 	snapshot2 = g_blob;
5335 	CU_ASSERT(snapshot2->data_ro == true)
5336 	CU_ASSERT(snapshot2->md_ro == true)
5337 
5338 	CU_ASSERT(spdk_blob_get_num_clusters(snapshot2) == 5)
5339 
5340 	CU_ASSERT(snapshot2->parent_id == snapshotid);
5341 
5342 	/* Write one cluster on the top level blob. This cluster (1) covers
5343 	 * already allocated cluster in the snapshot2, so shouldn't be inflated
5344 	 * at all */
5345 	spdk_blob_io_write(blob, channel, payload_write, pages_per_cluster,
5346 			   pages_per_cluster, blob_op_complete, NULL);
5347 	poll_threads();
5348 	CU_ASSERT(g_bserrno == 0);
5349 
5350 	/* Update expected result */
5351 	memcpy(payload_clone + cluster_size, payload_write, cluster_size);
5352 
5353 	/* Check data consistency on clone */
5354 	memset(payload_read, 0xFF, payload_size);
5355 	spdk_blob_io_read(blob, channel, payload_read, 0, pages_per_payload,
5356 			  blob_op_complete, NULL);
5357 	poll_threads();
5358 	CU_ASSERT(g_bserrno == 0);
5359 	CU_ASSERT(memcmp(payload_clone, payload_read, payload_size) == 0);
5360 
5361 
5362 	/* Close all blobs */
5363 	spdk_blob_close(blob, blob_op_complete, NULL);
5364 	poll_threads();
5365 	CU_ASSERT(g_bserrno == 0);
5366 
5367 	spdk_blob_close(snapshot2, blob_op_complete, NULL);
5368 	poll_threads();
5369 	CU_ASSERT(g_bserrno == 0);
5370 
5371 	spdk_blob_close(snapshot, blob_op_complete, NULL);
5372 	poll_threads();
5373 	CU_ASSERT(g_bserrno == 0);
5374 
5375 	/* Check snapshot-clone relations */
5376 	count = 2;
5377 	CU_ASSERT(spdk_blob_get_clones(bs, snapshotid, ids, &count) == 0);
5378 	CU_ASSERT(count == 1);
5379 	CU_ASSERT(ids[0] == snapshot2id);
5380 
5381 	count = 2;
5382 	CU_ASSERT(spdk_blob_get_clones(bs, snapshot2id, ids, &count) == 0);
5383 	CU_ASSERT(count == 1);
5384 	CU_ASSERT(ids[0] == blobid);
5385 
5386 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, blobid) == snapshot2id);
5387 
5388 	free_clusters = spdk_bs_free_cluster_count(bs);
5389 	if (!decouple_parent) {
5390 		/* Do full blob inflation */
5391 		spdk_bs_inflate_blob(bs, channel, blobid, blob_op_complete, NULL);
5392 		poll_threads();
5393 		CU_ASSERT(g_bserrno == 0);
5394 
5395 		/* All clusters should be inflated (except one already allocated
5396 		 * in a top level blob) */
5397 		CU_ASSERT(spdk_bs_free_cluster_count(bs) == free_clusters - 4);
5398 
5399 		/* Check if relation tree updated correctly */
5400 		count = 2;
5401 		CU_ASSERT(spdk_blob_get_clones(bs, snapshotid, ids, &count) == 0);
5402 
5403 		/* snapshotid have one clone */
5404 		CU_ASSERT(count == 1);
5405 		CU_ASSERT(ids[0] == snapshot2id);
5406 
5407 		/* snapshot2id have no clones */
5408 		count = 2;
5409 		CU_ASSERT(spdk_blob_get_clones(bs, snapshot2id, ids, &count) == 0);
5410 		CU_ASSERT(count == 0);
5411 
5412 		CU_ASSERT(spdk_blob_get_parent_snapshot(bs, blobid) == SPDK_BLOBID_INVALID);
5413 	} else {
5414 		/* Decouple parent of blob */
5415 		spdk_bs_blob_decouple_parent(bs, channel, blobid, blob_op_complete, NULL);
5416 		poll_threads();
5417 		CU_ASSERT(g_bserrno == 0);
5418 
5419 		/* Only one cluster from a parent should be inflated (second one
5420 		 * is covered by a cluster written on a top level blob, and
5421 		 * already allocated) */
5422 		CU_ASSERT(spdk_bs_free_cluster_count(bs) == free_clusters - 1);
5423 
5424 		/* Check if relation tree updated correctly */
5425 		count = 2;
5426 		CU_ASSERT(spdk_blob_get_clones(bs, snapshotid, ids, &count) == 0);
5427 
5428 		/* snapshotid have two clones now */
5429 		CU_ASSERT(count == 2);
5430 		CU_ASSERT(ids[0] == blobid || ids[1] == blobid);
5431 		CU_ASSERT(ids[0] == snapshot2id || ids[1] == snapshot2id);
5432 
5433 		/* snapshot2id have no clones */
5434 		count = 2;
5435 		CU_ASSERT(spdk_blob_get_clones(bs, snapshot2id, ids, &count) == 0);
5436 		CU_ASSERT(count == 0);
5437 
5438 		CU_ASSERT(spdk_blob_get_parent_snapshot(bs, blobid) == snapshotid);
5439 	}
5440 
5441 	/* Try to delete snapshot2 (should pass) */
5442 	spdk_bs_delete_blob(bs, snapshot2id, blob_op_complete, NULL);
5443 	poll_threads();
5444 	CU_ASSERT(g_bserrno == 0);
5445 
5446 	/* Try to delete base snapshot */
5447 	spdk_bs_delete_blob(bs, snapshotid, blob_op_complete, NULL);
5448 	poll_threads();
5449 	CU_ASSERT(g_bserrno == 0);
5450 
5451 	/* Reopen blob after snapshot deletion */
5452 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
5453 	poll_threads();
5454 	CU_ASSERT(g_bserrno == 0);
5455 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
5456 	blob = g_blob;
5457 
5458 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 5);
5459 
5460 	/* Check data consistency on inflated blob */
5461 	memset(payload_read, 0xFF, payload_size);
5462 	spdk_blob_io_read(blob, channel, payload_read, 0, pages_per_payload,
5463 			  blob_op_complete, NULL);
5464 	poll_threads();
5465 	CU_ASSERT(g_bserrno == 0);
5466 	CU_ASSERT(memcmp(payload_clone, payload_read, payload_size) == 0);
5467 
5468 	spdk_blob_close(blob, blob_op_complete, NULL);
5469 	poll_threads();
5470 	CU_ASSERT(g_bserrno == 0);
5471 
5472 	spdk_bs_free_io_channel(channel);
5473 	poll_threads();
5474 
5475 	/* Unload the blob store */
5476 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
5477 	poll_threads();
5478 	CU_ASSERT(g_bserrno == 0);
5479 	g_bs = NULL;
5480 	g_blob = NULL;
5481 	g_blobid = 0;
5482 
5483 	free(payload_read);
5484 	free(payload_write);
5485 	free(payload_clone);
5486 }
5487 
5488 static void
5489 blob_inflate_rw(void)
5490 {
5491 	_blob_inflate_rw(false);
5492 	_blob_inflate_rw(true);
5493 }
5494 
5495 /**
5496  * Snapshot-clones relation test
5497  *
5498  *         snapshot
5499  *            |
5500  *      +-----+-----+
5501  *      |           |
5502  *   blob(ro)   snapshot2
5503  *      |           |
5504  *   clone2      clone
5505  */
5506 static void
5507 blob_relations(void)
5508 {
5509 	struct spdk_blob_store *bs;
5510 	struct spdk_bs_dev *dev;
5511 	struct spdk_bs_opts bs_opts;
5512 	struct spdk_blob_opts opts;
5513 	struct spdk_blob *blob, *snapshot, *snapshot2, *clone, *clone2;
5514 	spdk_blob_id blobid, cloneid, snapshotid, cloneid2, snapshotid2;
5515 	int rc;
5516 	size_t count;
5517 	spdk_blob_id ids[10] = {};
5518 
5519 	dev = init_dev();
5520 	spdk_bs_opts_init(&bs_opts);
5521 	snprintf(bs_opts.bstype.bstype, sizeof(bs_opts.bstype.bstype), "TESTTYPE");
5522 
5523 	spdk_bs_init(dev, &bs_opts, bs_op_with_handle_complete, NULL);
5524 	poll_threads();
5525 	CU_ASSERT(g_bserrno == 0);
5526 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
5527 	bs = g_bs;
5528 
5529 	/* 1. Create blob with 10 clusters */
5530 
5531 	spdk_blob_opts_init(&opts);
5532 	opts.num_clusters = 10;
5533 
5534 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
5535 	poll_threads();
5536 	CU_ASSERT(g_bserrno == 0);
5537 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
5538 	blobid = g_blobid;
5539 
5540 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
5541 	poll_threads();
5542 	CU_ASSERT(g_bserrno == 0);
5543 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
5544 	blob = g_blob;
5545 
5546 	CU_ASSERT(!spdk_blob_is_read_only(blob));
5547 	CU_ASSERT(!spdk_blob_is_snapshot(blob));
5548 	CU_ASSERT(!spdk_blob_is_clone(blob));
5549 	CU_ASSERT(!spdk_blob_is_thin_provisioned(blob));
5550 
5551 	/* blob should not have underlying snapshot nor clones */
5552 	CU_ASSERT(blob->parent_id == SPDK_BLOBID_INVALID);
5553 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, blobid) == SPDK_BLOBID_INVALID);
5554 	count = SPDK_COUNTOF(ids);
5555 	rc = spdk_blob_get_clones(bs, blobid, ids, &count);
5556 	CU_ASSERT(rc == 0);
5557 	CU_ASSERT(count == 0);
5558 
5559 
5560 	/* 2. Create snapshot */
5561 
5562 	spdk_bs_create_snapshot(bs, blobid, NULL, blob_op_with_id_complete, NULL);
5563 	poll_threads();
5564 	CU_ASSERT(g_bserrno == 0);
5565 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
5566 	snapshotid = g_blobid;
5567 
5568 	spdk_bs_open_blob(bs, snapshotid, blob_op_with_handle_complete, NULL);
5569 	poll_threads();
5570 	CU_ASSERT(g_bserrno == 0);
5571 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
5572 	snapshot = g_blob;
5573 
5574 	CU_ASSERT(spdk_blob_is_read_only(snapshot));
5575 	CU_ASSERT(spdk_blob_is_snapshot(snapshot));
5576 	CU_ASSERT(!spdk_blob_is_clone(snapshot));
5577 	CU_ASSERT(snapshot->parent_id == SPDK_BLOBID_INVALID);
5578 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, snapshotid) == SPDK_BLOBID_INVALID);
5579 
5580 	/* Check if original blob is converted to the clone of snapshot */
5581 	CU_ASSERT(!spdk_blob_is_read_only(blob));
5582 	CU_ASSERT(!spdk_blob_is_snapshot(blob));
5583 	CU_ASSERT(spdk_blob_is_clone(blob));
5584 	CU_ASSERT(spdk_blob_is_thin_provisioned(blob));
5585 	CU_ASSERT(blob->parent_id == snapshotid);
5586 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, blobid) == snapshotid);
5587 
5588 	count = SPDK_COUNTOF(ids);
5589 	rc = spdk_blob_get_clones(bs, snapshotid, ids, &count);
5590 	CU_ASSERT(rc == 0);
5591 	CU_ASSERT(count == 1);
5592 	CU_ASSERT(ids[0] == blobid);
5593 
5594 
5595 	/* 3. Create clone from snapshot */
5596 
5597 	spdk_bs_create_clone(bs, snapshotid, NULL, blob_op_with_id_complete, NULL);
5598 	poll_threads();
5599 	CU_ASSERT(g_bserrno == 0);
5600 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
5601 	cloneid = g_blobid;
5602 
5603 	spdk_bs_open_blob(bs, cloneid, blob_op_with_handle_complete, NULL);
5604 	poll_threads();
5605 	CU_ASSERT(g_bserrno == 0);
5606 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
5607 	clone = g_blob;
5608 
5609 	CU_ASSERT(!spdk_blob_is_read_only(clone));
5610 	CU_ASSERT(!spdk_blob_is_snapshot(clone));
5611 	CU_ASSERT(spdk_blob_is_clone(clone));
5612 	CU_ASSERT(spdk_blob_is_thin_provisioned(clone));
5613 	CU_ASSERT(clone->parent_id == snapshotid);
5614 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, cloneid) == snapshotid);
5615 
5616 	count = SPDK_COUNTOF(ids);
5617 	rc = spdk_blob_get_clones(bs, cloneid, ids, &count);
5618 	CU_ASSERT(rc == 0);
5619 	CU_ASSERT(count == 0);
5620 
5621 	/* Check if clone is on the snapshot's list */
5622 	count = SPDK_COUNTOF(ids);
5623 	rc = spdk_blob_get_clones(bs, snapshotid, ids, &count);
5624 	CU_ASSERT(rc == 0);
5625 	CU_ASSERT(ids[0] == blobid || ids[1] == blobid);
5626 	CU_ASSERT(ids[0] == cloneid || ids[1] == cloneid);
5627 
5628 
5629 	/* 4. Create snapshot of the clone */
5630 
5631 	spdk_bs_create_snapshot(bs, cloneid, NULL, blob_op_with_id_complete, NULL);
5632 	poll_threads();
5633 	CU_ASSERT(g_bserrno == 0);
5634 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
5635 	snapshotid2 = g_blobid;
5636 
5637 	spdk_bs_open_blob(bs, snapshotid2, blob_op_with_handle_complete, NULL);
5638 	poll_threads();
5639 	CU_ASSERT(g_bserrno == 0);
5640 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
5641 	snapshot2 = g_blob;
5642 
5643 	CU_ASSERT(spdk_blob_is_read_only(snapshot2));
5644 	CU_ASSERT(spdk_blob_is_snapshot(snapshot2));
5645 	CU_ASSERT(spdk_blob_is_clone(snapshot2));
5646 	CU_ASSERT(snapshot2->parent_id == snapshotid);
5647 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, snapshotid2) == snapshotid);
5648 
5649 	/* Check if clone is converted to the clone of snapshot2 and snapshot2
5650 	 * is a child of snapshot */
5651 	CU_ASSERT(!spdk_blob_is_read_only(clone));
5652 	CU_ASSERT(!spdk_blob_is_snapshot(clone));
5653 	CU_ASSERT(spdk_blob_is_clone(clone));
5654 	CU_ASSERT(spdk_blob_is_thin_provisioned(clone));
5655 	CU_ASSERT(clone->parent_id == snapshotid2);
5656 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, cloneid) == snapshotid2);
5657 
5658 	count = SPDK_COUNTOF(ids);
5659 	rc = spdk_blob_get_clones(bs, snapshotid2, ids, &count);
5660 	CU_ASSERT(rc == 0);
5661 	CU_ASSERT(count == 1);
5662 	CU_ASSERT(ids[0] == cloneid);
5663 
5664 
5665 	/* 5. Try to create clone from read only blob */
5666 
5667 	/* Mark blob as read only */
5668 	spdk_blob_set_read_only(blob);
5669 	spdk_blob_sync_md(blob, blob_op_complete, NULL);
5670 	poll_threads();
5671 	CU_ASSERT(g_bserrno == 0);
5672 
5673 	/* Check if previously created blob is read only clone */
5674 	CU_ASSERT(spdk_blob_is_read_only(blob));
5675 	CU_ASSERT(!spdk_blob_is_snapshot(blob));
5676 	CU_ASSERT(spdk_blob_is_clone(blob));
5677 	CU_ASSERT(spdk_blob_is_thin_provisioned(blob));
5678 
5679 	/* Create clone from read only blob */
5680 	spdk_bs_create_clone(bs, blobid, NULL, blob_op_with_id_complete, NULL);
5681 	poll_threads();
5682 	CU_ASSERT(g_bserrno == 0);
5683 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
5684 	cloneid2 = g_blobid;
5685 
5686 	spdk_bs_open_blob(bs, cloneid2, blob_op_with_handle_complete, NULL);
5687 	poll_threads();
5688 	CU_ASSERT(g_bserrno == 0);
5689 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
5690 	clone2 = g_blob;
5691 
5692 	CU_ASSERT(!spdk_blob_is_read_only(clone2));
5693 	CU_ASSERT(!spdk_blob_is_snapshot(clone2));
5694 	CU_ASSERT(spdk_blob_is_clone(clone2));
5695 	CU_ASSERT(spdk_blob_is_thin_provisioned(clone2));
5696 
5697 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, cloneid2) == blobid);
5698 
5699 	count = SPDK_COUNTOF(ids);
5700 	rc = spdk_blob_get_clones(bs, blobid, ids, &count);
5701 	CU_ASSERT(rc == 0);
5702 
5703 	CU_ASSERT(count == 1);
5704 	CU_ASSERT(ids[0] == cloneid2);
5705 
5706 	/* Close blobs */
5707 
5708 	spdk_blob_close(clone2, blob_op_complete, NULL);
5709 	poll_threads();
5710 	CU_ASSERT(g_bserrno == 0);
5711 
5712 	spdk_blob_close(blob, blob_op_complete, NULL);
5713 	poll_threads();
5714 	CU_ASSERT(g_bserrno == 0);
5715 
5716 	spdk_blob_close(clone, blob_op_complete, NULL);
5717 	poll_threads();
5718 	CU_ASSERT(g_bserrno == 0);
5719 
5720 	spdk_blob_close(snapshot, blob_op_complete, NULL);
5721 	poll_threads();
5722 	CU_ASSERT(g_bserrno == 0);
5723 
5724 	spdk_blob_close(snapshot2, blob_op_complete, NULL);
5725 	poll_threads();
5726 	CU_ASSERT(g_bserrno == 0);
5727 
5728 	/* Try to delete snapshot with more than 1 clone */
5729 	spdk_bs_delete_blob(bs, snapshotid, blob_op_complete, NULL);
5730 	poll_threads();
5731 	CU_ASSERT(g_bserrno != 0);
5732 
5733 	spdk_bs_unload(bs, bs_op_complete, NULL);
5734 	poll_threads();
5735 	CU_ASSERT(g_bserrno == 0);
5736 	g_bs = NULL;
5737 
5738 	/* Load an existing blob store */
5739 	dev = init_dev();
5740 	snprintf(bs_opts.bstype.bstype, sizeof(bs_opts.bstype.bstype), "TESTTYPE");
5741 
5742 	spdk_bs_load(dev, NULL, bs_op_with_handle_complete, NULL);
5743 	poll_threads();
5744 	CU_ASSERT(g_bserrno == 0);
5745 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
5746 	bs = g_bs;
5747 
5748 
5749 	/* NULL ids array should return number of clones in count */
5750 	count = SPDK_COUNTOF(ids);
5751 	rc = spdk_blob_get_clones(bs, snapshotid, NULL, &count);
5752 	CU_ASSERT(rc == -ENOMEM);
5753 	CU_ASSERT(count == 2);
5754 
5755 	/* incorrect array size */
5756 	count = 1;
5757 	rc = spdk_blob_get_clones(bs, snapshotid, ids, &count);
5758 	CU_ASSERT(rc == -ENOMEM);
5759 	CU_ASSERT(count == 2);
5760 
5761 
5762 	/* Verify structure of loaded blob store */
5763 
5764 	/* snapshot */
5765 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, snapshotid) == SPDK_BLOBID_INVALID);
5766 
5767 	count = SPDK_COUNTOF(ids);
5768 	rc = spdk_blob_get_clones(bs, snapshotid, ids, &count);
5769 	CU_ASSERT(rc == 0);
5770 	CU_ASSERT(count == 2);
5771 	CU_ASSERT(ids[0] == blobid || ids[1] == blobid);
5772 	CU_ASSERT(ids[0] == snapshotid2 || ids[1] == snapshotid2);
5773 
5774 	/* blob */
5775 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, blobid) == snapshotid);
5776 	count = SPDK_COUNTOF(ids);
5777 	rc = spdk_blob_get_clones(bs, blobid, ids, &count);
5778 	CU_ASSERT(rc == 0);
5779 	CU_ASSERT(count == 1);
5780 	CU_ASSERT(ids[0] == cloneid2);
5781 
5782 	/* clone */
5783 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, cloneid) == snapshotid2);
5784 	count = SPDK_COUNTOF(ids);
5785 	rc = spdk_blob_get_clones(bs, cloneid, ids, &count);
5786 	CU_ASSERT(rc == 0);
5787 	CU_ASSERT(count == 0);
5788 
5789 	/* snapshot2 */
5790 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, snapshotid2) == snapshotid);
5791 	count = SPDK_COUNTOF(ids);
5792 	rc = spdk_blob_get_clones(bs, snapshotid2, ids, &count);
5793 	CU_ASSERT(rc == 0);
5794 	CU_ASSERT(count == 1);
5795 	CU_ASSERT(ids[0] == cloneid);
5796 
5797 	/* clone2 */
5798 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, cloneid2) == blobid);
5799 	count = SPDK_COUNTOF(ids);
5800 	rc = spdk_blob_get_clones(bs, cloneid2, ids, &count);
5801 	CU_ASSERT(rc == 0);
5802 	CU_ASSERT(count == 0);
5803 
5804 	/* Try to delete blob that user should not be able to remove */
5805 
5806 	spdk_bs_delete_blob(bs, snapshotid, blob_op_complete, NULL);
5807 	poll_threads();
5808 	CU_ASSERT(g_bserrno != 0);
5809 
5810 	/* Remove all blobs */
5811 
5812 	spdk_bs_delete_blob(bs, cloneid, blob_op_complete, NULL);
5813 	poll_threads();
5814 	CU_ASSERT(g_bserrno == 0);
5815 
5816 	spdk_bs_delete_blob(bs, snapshotid2, blob_op_complete, NULL);
5817 	poll_threads();
5818 	CU_ASSERT(g_bserrno == 0);
5819 
5820 	spdk_bs_delete_blob(bs, cloneid2, blob_op_complete, NULL);
5821 	poll_threads();
5822 	CU_ASSERT(g_bserrno == 0);
5823 
5824 	spdk_bs_delete_blob(bs, blobid, blob_op_complete, NULL);
5825 	poll_threads();
5826 	CU_ASSERT(g_bserrno == 0);
5827 
5828 	spdk_bs_delete_blob(bs, snapshotid, blob_op_complete, NULL);
5829 	poll_threads();
5830 	CU_ASSERT(g_bserrno == 0);
5831 
5832 	spdk_bs_unload(bs, bs_op_complete, NULL);
5833 	poll_threads();
5834 	CU_ASSERT(g_bserrno == 0);
5835 
5836 	g_bs = NULL;
5837 }
5838 
5839 /**
5840  * Snapshot-clones relation test 2
5841  *
5842  *         snapshot1
5843  *            |
5844  *         snapshot2
5845  *            |
5846  *      +-----+-----+
5847  *      |           |
5848  *   blob(ro)   snapshot3
5849  *      |           |
5850  *      |       snapshot4
5851  *      |        |     |
5852  *   clone2   clone  clone3
5853  */
5854 static void
5855 blob_relations2(void)
5856 {
5857 	struct spdk_blob_store *bs;
5858 	struct spdk_bs_dev *dev;
5859 	struct spdk_bs_opts bs_opts;
5860 	struct spdk_blob_opts opts;
5861 	struct spdk_blob *blob, *snapshot1, *snapshot2, *snapshot3, *snapshot4, *clone, *clone2;
5862 	spdk_blob_id blobid, snapshotid1, snapshotid2, snapshotid3, snapshotid4, cloneid, cloneid2,
5863 		     cloneid3;
5864 	int rc;
5865 	size_t count;
5866 	spdk_blob_id ids[10] = {};
5867 
5868 	dev = init_dev();
5869 	spdk_bs_opts_init(&bs_opts);
5870 	snprintf(bs_opts.bstype.bstype, sizeof(bs_opts.bstype.bstype), "TESTTYPE");
5871 
5872 	spdk_bs_init(dev, &bs_opts, bs_op_with_handle_complete, NULL);
5873 	poll_threads();
5874 	CU_ASSERT(g_bserrno == 0);
5875 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
5876 	bs = g_bs;
5877 
5878 	/* 1. Create blob with 10 clusters */
5879 
5880 	spdk_blob_opts_init(&opts);
5881 	opts.num_clusters = 10;
5882 
5883 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
5884 	poll_threads();
5885 	CU_ASSERT(g_bserrno == 0);
5886 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
5887 	blobid = g_blobid;
5888 
5889 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
5890 	poll_threads();
5891 	CU_ASSERT(g_bserrno == 0);
5892 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
5893 	blob = g_blob;
5894 
5895 	/* 2. Create snapshot1 */
5896 
5897 	spdk_bs_create_snapshot(bs, blobid, NULL, blob_op_with_id_complete, NULL);
5898 	poll_threads();
5899 	CU_ASSERT(g_bserrno == 0);
5900 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
5901 	snapshotid1 = g_blobid;
5902 
5903 	spdk_bs_open_blob(bs, snapshotid1, blob_op_with_handle_complete, NULL);
5904 	poll_threads();
5905 	CU_ASSERT(g_bserrno == 0);
5906 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
5907 	snapshot1 = g_blob;
5908 
5909 	CU_ASSERT(snapshot1->parent_id == SPDK_BLOBID_INVALID);
5910 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, snapshotid1) == SPDK_BLOBID_INVALID);
5911 
5912 	CU_ASSERT(blob->parent_id == snapshotid1);
5913 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, blobid) == snapshotid1);
5914 
5915 	/* Check if blob is the clone of snapshot1 */
5916 	CU_ASSERT(blob->parent_id == snapshotid1);
5917 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, blobid) == snapshotid1);
5918 
5919 	count = SPDK_COUNTOF(ids);
5920 	rc = spdk_blob_get_clones(bs, snapshotid1, ids, &count);
5921 	CU_ASSERT(rc == 0);
5922 	CU_ASSERT(count == 1);
5923 	CU_ASSERT(ids[0] == blobid);
5924 
5925 	/* 3. Create another snapshot */
5926 
5927 	spdk_bs_create_snapshot(bs, blobid, NULL, blob_op_with_id_complete, NULL);
5928 	poll_threads();
5929 	CU_ASSERT(g_bserrno == 0);
5930 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
5931 	snapshotid2 = g_blobid;
5932 
5933 	spdk_bs_open_blob(bs, snapshotid2, blob_op_with_handle_complete, NULL);
5934 	poll_threads();
5935 	CU_ASSERT(g_bserrno == 0);
5936 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
5937 	snapshot2 = g_blob;
5938 
5939 	CU_ASSERT(spdk_blob_is_clone(snapshot2));
5940 	CU_ASSERT(snapshot2->parent_id == snapshotid1);
5941 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, snapshotid2) == snapshotid1);
5942 
5943 	/* Check if snapshot2 is the clone of snapshot1 and blob
5944 	 * is a child of snapshot2 */
5945 	CU_ASSERT(blob->parent_id == snapshotid2);
5946 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, blobid) == snapshotid2);
5947 
5948 	count = SPDK_COUNTOF(ids);
5949 	rc = spdk_blob_get_clones(bs, snapshotid2, ids, &count);
5950 	CU_ASSERT(rc == 0);
5951 	CU_ASSERT(count == 1);
5952 	CU_ASSERT(ids[0] == blobid);
5953 
5954 	/* 4. Create clone from snapshot */
5955 
5956 	spdk_bs_create_clone(bs, snapshotid2, NULL, blob_op_with_id_complete, NULL);
5957 	poll_threads();
5958 	CU_ASSERT(g_bserrno == 0);
5959 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
5960 	cloneid = g_blobid;
5961 
5962 	spdk_bs_open_blob(bs, cloneid, blob_op_with_handle_complete, NULL);
5963 	poll_threads();
5964 	CU_ASSERT(g_bserrno == 0);
5965 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
5966 	clone = g_blob;
5967 
5968 	CU_ASSERT(clone->parent_id == snapshotid2);
5969 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, cloneid) == snapshotid2);
5970 
5971 	/* Check if clone is on the snapshot's list */
5972 	count = SPDK_COUNTOF(ids);
5973 	rc = spdk_blob_get_clones(bs, snapshotid2, ids, &count);
5974 	CU_ASSERT(rc == 0);
5975 	CU_ASSERT(count == 2);
5976 	CU_ASSERT(ids[0] == blobid || ids[1] == blobid);
5977 	CU_ASSERT(ids[0] == cloneid || ids[1] == cloneid);
5978 
5979 	/* 5. Create snapshot of the clone */
5980 
5981 	spdk_bs_create_snapshot(bs, cloneid, NULL, blob_op_with_id_complete, NULL);
5982 	poll_threads();
5983 	CU_ASSERT(g_bserrno == 0);
5984 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
5985 	snapshotid3 = g_blobid;
5986 
5987 	spdk_bs_open_blob(bs, snapshotid3, blob_op_with_handle_complete, NULL);
5988 	poll_threads();
5989 	CU_ASSERT(g_bserrno == 0);
5990 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
5991 	snapshot3 = g_blob;
5992 
5993 	CU_ASSERT(snapshot3->parent_id == snapshotid2);
5994 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, snapshotid3) == snapshotid2);
5995 
5996 	/* Check if clone is converted to the clone of snapshot3 and snapshot3
5997 	 * is a child of snapshot2 */
5998 	CU_ASSERT(clone->parent_id == snapshotid3);
5999 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, cloneid) == snapshotid3);
6000 
6001 	count = SPDK_COUNTOF(ids);
6002 	rc = spdk_blob_get_clones(bs, snapshotid3, ids, &count);
6003 	CU_ASSERT(rc == 0);
6004 	CU_ASSERT(count == 1);
6005 	CU_ASSERT(ids[0] == cloneid);
6006 
6007 	/* 6. Create another snapshot of the clone */
6008 
6009 	spdk_bs_create_snapshot(bs, cloneid, NULL, blob_op_with_id_complete, NULL);
6010 	poll_threads();
6011 	CU_ASSERT(g_bserrno == 0);
6012 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
6013 	snapshotid4 = g_blobid;
6014 
6015 	spdk_bs_open_blob(bs, snapshotid4, blob_op_with_handle_complete, NULL);
6016 	poll_threads();
6017 	CU_ASSERT(g_bserrno == 0);
6018 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
6019 	snapshot4 = g_blob;
6020 
6021 	CU_ASSERT(snapshot4->parent_id == snapshotid3);
6022 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, snapshotid4) == snapshotid3);
6023 
6024 	/* Check if clone is converted to the clone of snapshot4 and snapshot4
6025 	 * is a child of snapshot3 */
6026 	CU_ASSERT(clone->parent_id == snapshotid4);
6027 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, cloneid) == snapshotid4);
6028 
6029 	count = SPDK_COUNTOF(ids);
6030 	rc = spdk_blob_get_clones(bs, snapshotid4, ids, &count);
6031 	CU_ASSERT(rc == 0);
6032 	CU_ASSERT(count == 1);
6033 	CU_ASSERT(ids[0] == cloneid);
6034 
6035 	/* 7. Remove snapshot 4 */
6036 
6037 	spdk_blob_close(snapshot4, blob_op_complete, NULL);
6038 	poll_threads();
6039 	CU_ASSERT(g_bserrno == 0);
6040 
6041 	spdk_bs_delete_blob(bs, snapshotid4, blob_op_complete, NULL);
6042 	poll_threads();
6043 	CU_ASSERT(g_bserrno == 0);
6044 
6045 	/* Check if relations are back to state from before creating snapshot 4 */
6046 	CU_ASSERT(clone->parent_id == snapshotid3);
6047 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, cloneid) == snapshotid3);
6048 
6049 	count = SPDK_COUNTOF(ids);
6050 	rc = spdk_blob_get_clones(bs, snapshotid3, ids, &count);
6051 	CU_ASSERT(rc == 0);
6052 	CU_ASSERT(count == 1);
6053 	CU_ASSERT(ids[0] == cloneid);
6054 
6055 	/* 8. Create second clone of snapshot 3 and try to remove snapshot 3 */
6056 
6057 	spdk_bs_create_clone(bs, snapshotid3, NULL, blob_op_with_id_complete, NULL);
6058 	poll_threads();
6059 	CU_ASSERT(g_bserrno == 0);
6060 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
6061 	cloneid3 = g_blobid;
6062 
6063 	spdk_bs_delete_blob(bs, snapshotid3, blob_op_complete, NULL);
6064 	poll_threads();
6065 	CU_ASSERT(g_bserrno != 0);
6066 
6067 	/* 9. Open snapshot 3 again and try to remove it while clone 3 is closed */
6068 
6069 	spdk_bs_open_blob(bs, snapshotid3, blob_op_with_handle_complete, NULL);
6070 	poll_threads();
6071 	CU_ASSERT(g_bserrno == 0);
6072 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
6073 	snapshot3 = g_blob;
6074 
6075 	spdk_bs_delete_blob(bs, snapshotid3, blob_op_complete, NULL);
6076 	poll_threads();
6077 	CU_ASSERT(g_bserrno != 0);
6078 
6079 	spdk_blob_close(snapshot3, blob_op_complete, NULL);
6080 	poll_threads();
6081 	CU_ASSERT(g_bserrno == 0);
6082 
6083 	spdk_bs_delete_blob(bs, cloneid3, blob_op_complete, NULL);
6084 	poll_threads();
6085 	CU_ASSERT(g_bserrno == 0);
6086 
6087 	/* 10. Remove snapshot 1 */
6088 
6089 	spdk_blob_close(snapshot1, blob_op_complete, NULL);
6090 	poll_threads();
6091 	CU_ASSERT(g_bserrno == 0);
6092 
6093 	spdk_bs_delete_blob(bs, snapshotid1, blob_op_complete, NULL);
6094 	poll_threads();
6095 	CU_ASSERT(g_bserrno == 0);
6096 
6097 	/* Check if relations are back to state from before creating snapshot 4 (before step 6) */
6098 	CU_ASSERT(snapshot2->parent_id == SPDK_BLOBID_INVALID);
6099 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, snapshotid2) == SPDK_BLOBID_INVALID);
6100 
6101 	count = SPDK_COUNTOF(ids);
6102 	rc = spdk_blob_get_clones(bs, snapshotid2, ids, &count);
6103 	CU_ASSERT(rc == 0);
6104 	CU_ASSERT(count == 2);
6105 	CU_ASSERT(ids[0] == blobid || ids[1] == blobid);
6106 	CU_ASSERT(ids[0] == snapshotid3 || ids[1] == snapshotid3);
6107 
6108 	/* 11. Try to create clone from read only blob */
6109 
6110 	/* Mark blob as read only */
6111 	spdk_blob_set_read_only(blob);
6112 	spdk_blob_sync_md(blob, blob_op_complete, NULL);
6113 	poll_threads();
6114 	CU_ASSERT(g_bserrno == 0);
6115 
6116 	/* Create clone from read only blob */
6117 	spdk_bs_create_clone(bs, blobid, NULL, blob_op_with_id_complete, NULL);
6118 	poll_threads();
6119 	CU_ASSERT(g_bserrno == 0);
6120 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
6121 	cloneid2 = g_blobid;
6122 
6123 	spdk_bs_open_blob(bs, cloneid2, blob_op_with_handle_complete, NULL);
6124 	poll_threads();
6125 	CU_ASSERT(g_bserrno == 0);
6126 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
6127 	clone2 = g_blob;
6128 
6129 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, cloneid2) == blobid);
6130 
6131 	count = SPDK_COUNTOF(ids);
6132 	rc = spdk_blob_get_clones(bs, blobid, ids, &count);
6133 	CU_ASSERT(rc == 0);
6134 	CU_ASSERT(count == 1);
6135 	CU_ASSERT(ids[0] == cloneid2);
6136 
6137 	/* Close blobs */
6138 
6139 	spdk_blob_close(clone2, blob_op_complete, NULL);
6140 	poll_threads();
6141 	CU_ASSERT(g_bserrno == 0);
6142 
6143 	spdk_blob_close(blob, blob_op_complete, NULL);
6144 	poll_threads();
6145 	CU_ASSERT(g_bserrno == 0);
6146 
6147 	spdk_blob_close(clone, blob_op_complete, NULL);
6148 	poll_threads();
6149 	CU_ASSERT(g_bserrno == 0);
6150 
6151 	spdk_blob_close(snapshot2, blob_op_complete, NULL);
6152 	poll_threads();
6153 	CU_ASSERT(g_bserrno == 0);
6154 
6155 	spdk_blob_close(snapshot3, blob_op_complete, NULL);
6156 	poll_threads();
6157 	CU_ASSERT(g_bserrno == 0);
6158 
6159 	spdk_bs_unload(bs, bs_op_complete, NULL);
6160 	poll_threads();
6161 	CU_ASSERT(g_bserrno == 0);
6162 	g_bs = NULL;
6163 
6164 	/* Load an existing blob store */
6165 	dev = init_dev();
6166 	snprintf(bs_opts.bstype.bstype, sizeof(bs_opts.bstype.bstype), "TESTTYPE");
6167 
6168 	spdk_bs_load(dev, NULL, bs_op_with_handle_complete, NULL);
6169 	poll_threads();
6170 	CU_ASSERT(g_bserrno == 0);
6171 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
6172 	bs = g_bs;
6173 
6174 	/* Verify structure of loaded blob store */
6175 
6176 	/* snapshot2 */
6177 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, snapshotid2) == SPDK_BLOBID_INVALID);
6178 
6179 	count = SPDK_COUNTOF(ids);
6180 	rc = spdk_blob_get_clones(bs, snapshotid2, ids, &count);
6181 	CU_ASSERT(rc == 0);
6182 	CU_ASSERT(count == 2);
6183 	CU_ASSERT(ids[0] == blobid || ids[1] == blobid);
6184 	CU_ASSERT(ids[0] == snapshotid3 || ids[1] == snapshotid3);
6185 
6186 	/* blob */
6187 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, blobid) == snapshotid2);
6188 	count = SPDK_COUNTOF(ids);
6189 	rc = spdk_blob_get_clones(bs, blobid, ids, &count);
6190 	CU_ASSERT(rc == 0);
6191 	CU_ASSERT(count == 1);
6192 	CU_ASSERT(ids[0] == cloneid2);
6193 
6194 	/* clone */
6195 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, cloneid) == snapshotid3);
6196 	count = SPDK_COUNTOF(ids);
6197 	rc = spdk_blob_get_clones(bs, cloneid, ids, &count);
6198 	CU_ASSERT(rc == 0);
6199 	CU_ASSERT(count == 0);
6200 
6201 	/* snapshot3 */
6202 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, snapshotid3) == snapshotid2);
6203 	count = SPDK_COUNTOF(ids);
6204 	rc = spdk_blob_get_clones(bs, snapshotid3, ids, &count);
6205 	CU_ASSERT(rc == 0);
6206 	CU_ASSERT(count == 1);
6207 	CU_ASSERT(ids[0] == cloneid);
6208 
6209 	/* clone2 */
6210 	CU_ASSERT(spdk_blob_get_parent_snapshot(bs, cloneid2) == blobid);
6211 	count = SPDK_COUNTOF(ids);
6212 	rc = spdk_blob_get_clones(bs, cloneid2, ids, &count);
6213 	CU_ASSERT(rc == 0);
6214 	CU_ASSERT(count == 0);
6215 
6216 	/* Try to delete all blobs in the worse possible order */
6217 
6218 	spdk_bs_delete_blob(bs, snapshotid2, blob_op_complete, NULL);
6219 	poll_threads();
6220 	CU_ASSERT(g_bserrno != 0);
6221 
6222 	spdk_bs_delete_blob(bs, snapshotid3, blob_op_complete, NULL);
6223 	poll_threads();
6224 	CU_ASSERT(g_bserrno == 0);
6225 
6226 	spdk_bs_delete_blob(bs, snapshotid2, blob_op_complete, NULL);
6227 	poll_threads();
6228 	CU_ASSERT(g_bserrno != 0);
6229 
6230 	spdk_bs_delete_blob(bs, cloneid, blob_op_complete, NULL);
6231 	poll_threads();
6232 	CU_ASSERT(g_bserrno == 0);
6233 
6234 	spdk_bs_delete_blob(bs, snapshotid2, blob_op_complete, NULL);
6235 	poll_threads();
6236 	CU_ASSERT(g_bserrno == 0);
6237 
6238 	spdk_bs_delete_blob(bs, blobid, blob_op_complete, NULL);
6239 	poll_threads();
6240 	CU_ASSERT(g_bserrno == 0);
6241 
6242 	spdk_bs_delete_blob(bs, cloneid2, blob_op_complete, NULL);
6243 	poll_threads();
6244 	CU_ASSERT(g_bserrno == 0);
6245 
6246 	spdk_bs_unload(bs, bs_op_complete, NULL);
6247 	poll_threads();
6248 	CU_ASSERT(g_bserrno == 0);
6249 
6250 	g_bs = NULL;
6251 }
6252 
6253 static void
6254 blob_delete_snapshot_power_failure(void)
6255 {
6256 	struct spdk_blob_store *bs;
6257 	struct spdk_bs_dev *dev;
6258 	struct spdk_blob_opts opts;
6259 	struct spdk_blob *blob, *snapshot;
6260 	struct spdk_power_failure_thresholds thresholds = {};
6261 	spdk_blob_id blobid, snapshotid;
6262 	const void *value;
6263 	size_t value_len;
6264 	size_t count;
6265 	spdk_blob_id ids[3] = {};
6266 	int rc;
6267 	bool deleted = false;
6268 
6269 	dev = init_dev();
6270 
6271 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
6272 	poll_threads();
6273 	CU_ASSERT(g_bserrno == 0);
6274 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
6275 	bs = g_bs;
6276 
6277 	/* Create blob */
6278 	spdk_blob_opts_init(&opts);
6279 	opts.num_clusters = 10;
6280 
6281 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
6282 	poll_threads();
6283 	CU_ASSERT(g_bserrno == 0);
6284 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
6285 	blobid = g_blobid;
6286 
6287 	/* Create snapshot */
6288 	spdk_bs_create_snapshot(bs, blobid, NULL, blob_op_with_id_complete, NULL);
6289 	poll_threads();
6290 	CU_ASSERT(g_bserrno == 0);
6291 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
6292 	snapshotid = g_blobid;
6293 
6294 	thresholds.general_threshold = 1;
6295 	while (!deleted) {
6296 		dev_set_power_failure_thresholds(thresholds);
6297 
6298 		spdk_bs_delete_blob(bs, snapshotid, blob_op_complete, NULL);
6299 		poll_threads();
6300 		CU_ASSERT(g_bserrno != 0);
6301 
6302 		spdk_bs_unload(g_bs, bs_op_complete, NULL);
6303 		poll_threads();
6304 
6305 		dev_reset_power_failure_event();
6306 
6307 		dev = init_dev();
6308 		spdk_bs_load(dev, NULL, bs_op_with_handle_complete, NULL);
6309 		poll_threads();
6310 		CU_ASSERT(g_bserrno == 0);
6311 		SPDK_CU_ASSERT_FATAL(g_bs != NULL);
6312 		bs = g_bs;
6313 
6314 		spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
6315 		poll_threads();
6316 		CU_ASSERT(g_bserrno == 0);
6317 		SPDK_CU_ASSERT_FATAL(g_blob != NULL);
6318 		blob = g_blob;
6319 
6320 		spdk_bs_open_blob(bs, snapshotid, blob_op_with_handle_complete, NULL);
6321 		poll_threads();
6322 
6323 		if (g_bserrno == 0) {
6324 			SPDK_CU_ASSERT_FATAL(g_blob != NULL);
6325 			snapshot = g_blob;
6326 			CU_ASSERT(spdk_blob_get_parent_snapshot(bs, blobid) == snapshotid);
6327 			count = SPDK_COUNTOF(ids);
6328 			rc = spdk_blob_get_clones(bs, snapshotid, ids, &count);
6329 			CU_ASSERT(rc == 0);
6330 			CU_ASSERT(count == 1);
6331 			CU_ASSERT(ids[0] == blobid);
6332 			rc = spdk_blob_get_xattr_value(snapshot, SNAPSHOT_PENDING_REMOVAL, &value, &value_len);
6333 			CU_ASSERT(rc != 0);
6334 
6335 			spdk_blob_close(snapshot, blob_op_complete, NULL);
6336 			poll_threads();
6337 			CU_ASSERT(g_bserrno == 0);
6338 		} else {
6339 			CU_ASSERT(spdk_blob_get_parent_snapshot(bs, blobid) == SPDK_BLOBID_INVALID);
6340 			deleted = true;
6341 		}
6342 
6343 		spdk_blob_close(blob, blob_op_complete, NULL);
6344 		poll_threads();
6345 		CU_ASSERT(g_bserrno == 0);
6346 
6347 		/* Reload blobstore to have the same starting conditions (as the previous blobstore load
6348 		 * may trigger cleanup after power failure or may not) */
6349 		spdk_bs_unload(g_bs, bs_op_complete, NULL);
6350 		poll_threads();
6351 		CU_ASSERT(g_bserrno == 0);
6352 
6353 		dev = init_dev();
6354 		spdk_bs_load(dev, NULL, bs_op_with_handle_complete, NULL);
6355 		poll_threads();
6356 		CU_ASSERT(g_bserrno == 0);
6357 		SPDK_CU_ASSERT_FATAL(g_bs != NULL);
6358 		bs = g_bs;
6359 
6360 		thresholds.general_threshold++;
6361 	}
6362 
6363 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
6364 	poll_threads();
6365 	CU_ASSERT(g_bserrno == 0);
6366 	g_bs = NULL;
6367 }
6368 
6369 static void
6370 blob_create_snapshot_power_failure(void)
6371 {
6372 	struct spdk_blob_store *bs;
6373 	struct spdk_bs_dev *dev;
6374 	struct spdk_blob_opts opts;
6375 	struct spdk_blob *blob, *snapshot;
6376 	struct spdk_power_failure_thresholds thresholds = {};
6377 	spdk_blob_id blobid, snapshotid;
6378 	const void *value;
6379 	size_t value_len;
6380 	size_t count;
6381 	spdk_blob_id ids[3] = {};
6382 	int rc;
6383 	bool created = false;
6384 
6385 	dev = init_dev();
6386 
6387 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
6388 	poll_threads();
6389 	CU_ASSERT(g_bserrno == 0);
6390 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
6391 	bs = g_bs;
6392 
6393 	/* Create blob */
6394 	spdk_blob_opts_init(&opts);
6395 	opts.num_clusters = 10;
6396 
6397 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
6398 	poll_threads();
6399 	CU_ASSERT(g_bserrno == 0);
6400 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
6401 	blobid = g_blobid;
6402 
6403 	thresholds.general_threshold = 1;
6404 	while (!created) {
6405 		dev_set_power_failure_thresholds(thresholds);
6406 
6407 		/* Create snapshot */
6408 		spdk_bs_create_snapshot(bs, blobid, NULL, blob_op_with_id_complete, NULL);
6409 		poll_threads();
6410 		CU_ASSERT(g_bserrno != 0);
6411 		snapshotid = g_blobid;
6412 
6413 		spdk_bs_unload(g_bs, bs_op_complete, NULL);
6414 		poll_threads();
6415 
6416 		dev_reset_power_failure_event();
6417 
6418 		dev = init_dev();
6419 		spdk_bs_load(dev, NULL, bs_op_with_handle_complete, NULL);
6420 		poll_threads();
6421 		CU_ASSERT(g_bserrno == 0);
6422 		SPDK_CU_ASSERT_FATAL(g_bs != NULL);
6423 		bs = g_bs;
6424 
6425 		spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
6426 		poll_threads();
6427 		CU_ASSERT(g_bserrno == 0);
6428 		SPDK_CU_ASSERT_FATAL(g_blob != NULL);
6429 		blob = g_blob;
6430 
6431 		if (snapshotid != SPDK_BLOBID_INVALID) {
6432 			spdk_bs_open_blob(bs, snapshotid, blob_op_with_handle_complete, NULL);
6433 			poll_threads();
6434 		}
6435 
6436 		if ((snapshotid != SPDK_BLOBID_INVALID) && (g_bserrno == 0)) {
6437 			SPDK_CU_ASSERT_FATAL(g_blob != NULL);
6438 			snapshot = g_blob;
6439 			CU_ASSERT(spdk_blob_get_parent_snapshot(bs, blobid) == snapshotid);
6440 			count = SPDK_COUNTOF(ids);
6441 			rc = spdk_blob_get_clones(bs, snapshotid, ids, &count);
6442 			CU_ASSERT(rc == 0);
6443 			CU_ASSERT(count == 1);
6444 			CU_ASSERT(ids[0] == blobid);
6445 			rc = spdk_blob_get_xattr_value(snapshot, SNAPSHOT_IN_PROGRESS, &value, &value_len);
6446 			CU_ASSERT(rc != 0);
6447 
6448 			spdk_blob_close(snapshot, blob_op_complete, NULL);
6449 			poll_threads();
6450 			CU_ASSERT(g_bserrno == 0);
6451 			created = true;
6452 		} else {
6453 			CU_ASSERT(spdk_blob_get_parent_snapshot(bs, blobid) == SPDK_BLOBID_INVALID);
6454 			CU_ASSERT(!(blob->invalid_flags & SPDK_BLOB_THIN_PROV));
6455 		}
6456 
6457 		spdk_blob_close(blob, blob_op_complete, NULL);
6458 		poll_threads();
6459 		CU_ASSERT(g_bserrno == 0);
6460 
6461 		/* Reload blobstore to have the same starting conditions (as the previous blobstore load
6462 		 * may trigger cleanup after power failure or may not) */
6463 		spdk_bs_unload(g_bs, bs_op_complete, NULL);
6464 		poll_threads();
6465 		CU_ASSERT(g_bserrno == 0);
6466 
6467 		dev = init_dev();
6468 		spdk_bs_load(dev, NULL, bs_op_with_handle_complete, NULL);
6469 		poll_threads();
6470 		CU_ASSERT(g_bserrno == 0);
6471 		SPDK_CU_ASSERT_FATAL(g_bs != NULL);
6472 		bs = g_bs;
6473 
6474 		thresholds.general_threshold++;
6475 	}
6476 
6477 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
6478 	poll_threads();
6479 	CU_ASSERT(g_bserrno == 0);
6480 	g_bs = NULL;
6481 }
6482 
6483 static void
6484 test_io_write(struct spdk_bs_dev *dev, struct spdk_blob *blob, struct spdk_io_channel *channel)
6485 {
6486 	uint8_t payload_ff[64 * 512];
6487 	uint8_t payload_aa[64 * 512];
6488 	uint8_t payload_00[64 * 512];
6489 	uint8_t *cluster0, *cluster1;
6490 
6491 	memset(payload_ff, 0xFF, sizeof(payload_ff));
6492 	memset(payload_aa, 0xAA, sizeof(payload_aa));
6493 	memset(payload_00, 0x00, sizeof(payload_00));
6494 
6495 	/* Try to perform I/O with io unit = 512 */
6496 	spdk_blob_io_write(blob, channel, payload_ff, 0, 1, blob_op_complete, NULL);
6497 	poll_threads();
6498 	CU_ASSERT(g_bserrno == 0);
6499 
6500 	/* If thin provisioned is set cluster should be allocated now */
6501 	SPDK_CU_ASSERT_FATAL(blob->active.clusters[0] != 0);
6502 	cluster0 = &g_dev_buffer[blob->active.clusters[0] * dev->blocklen];
6503 
6504 	/* Each character 0-F symbolizes single io_unit containing 512 bytes block filled with that character.
6505 	* Each page is separated by |. Whole block [...] symbolizes one cluster (containing 4 pages). */
6506 	/* cluster0: [ F000 0000 | 0000 0000 | 0000 0000 | 0000 0000 ] */
6507 	CU_ASSERT(memcmp(cluster0 + 0 * 512, payload_ff, 512) == 0);
6508 	CU_ASSERT(memcmp(cluster0 + 1 * 512, payload_00, 31 * 512) == 0);
6509 
6510 	/* Verify write with offset on first page */
6511 	spdk_blob_io_write(blob, channel, payload_ff, 2, 1, blob_op_complete, NULL);
6512 	poll_threads();
6513 	CU_ASSERT(g_bserrno == 0);
6514 
6515 	/* cluster0: [ F0F0 0000 | 0000 0000 | 0000 0000 | 0000 0000 ] */
6516 	CU_ASSERT(memcmp(cluster0 + 0 * 512, payload_ff, 512) == 0);
6517 	CU_ASSERT(memcmp(cluster0 + 1 * 512, payload_00, 512) == 0);
6518 	CU_ASSERT(memcmp(cluster0 + 2 * 512, payload_ff, 512) == 0);
6519 	CU_ASSERT(memcmp(cluster0 + 3 * 512, payload_00, 512) == 0);
6520 	CU_ASSERT(memcmp(cluster0 + 4 * 512, payload_00, 28 * 512) == 0);
6521 
6522 	/* Verify write with offset on first page */
6523 	spdk_blob_io_write(blob, channel, payload_ff, 4, 4, blob_op_complete, NULL);
6524 	poll_threads();
6525 
6526 	/* cluster0: [ F0F0 FFFF | 0000 0000 | 0000 0000 | 0000 0000 ] */
6527 	CU_ASSERT(memcmp(cluster0 + 0 * 512, payload_ff, 512) == 0);
6528 	CU_ASSERT(memcmp(cluster0 + 1 * 512, payload_00, 512) == 0);
6529 	CU_ASSERT(memcmp(cluster0 + 2 * 512, payload_ff, 512) == 0);
6530 	CU_ASSERT(memcmp(cluster0 + 3 * 512, payload_00, 512) == 0);
6531 	CU_ASSERT(memcmp(cluster0 + 4 * 512, payload_ff, 4 * 512) == 0);
6532 	CU_ASSERT(memcmp(cluster0 + 8 * 512, payload_00, 24 * 512) == 0);
6533 
6534 	/* Verify write with offset on second page */
6535 	spdk_blob_io_write(blob, channel, payload_ff, 8, 4, blob_op_complete, NULL);
6536 	poll_threads();
6537 
6538 	/* cluster0: [ F0F0 FFFF | FFFF 0000 | 0000 0000 | 0000 0000 ] */
6539 	CU_ASSERT(memcmp(cluster0 + 0 * 512, payload_ff, 512) == 0);
6540 	CU_ASSERT(memcmp(cluster0 + 1 * 512, payload_00, 512) == 0);
6541 	CU_ASSERT(memcmp(cluster0 + 2 * 512, payload_ff, 512) == 0);
6542 	CU_ASSERT(memcmp(cluster0 + 3 * 512, payload_00, 512) == 0);
6543 	CU_ASSERT(memcmp(cluster0 + 4 * 512, payload_ff, 8 * 512) == 0);
6544 	CU_ASSERT(memcmp(cluster0 + 12 * 512, payload_00, 20 * 512) == 0);
6545 
6546 	/* Verify write across multiple pages */
6547 	spdk_blob_io_write(blob, channel, payload_aa, 4, 8, blob_op_complete, NULL);
6548 	poll_threads();
6549 
6550 	/* cluster0: [ F0F0 AAAA | AAAA 0000 | 0000 0000 | 0000 0000 ] */
6551 	CU_ASSERT(memcmp(cluster0 + 0 * 512, payload_ff, 512) == 0);
6552 	CU_ASSERT(memcmp(cluster0 + 1 * 512, payload_00, 512) == 0);
6553 	CU_ASSERT(memcmp(cluster0 + 2 * 512, payload_ff, 512) == 0);
6554 	CU_ASSERT(memcmp(cluster0 + 3 * 512, payload_00, 512) == 0);
6555 	CU_ASSERT(memcmp(cluster0 + 4 * 512, payload_aa, 8 * 512) == 0);
6556 	CU_ASSERT(memcmp(cluster0 + 12 * 512, payload_00, 20 * 512) == 0);
6557 
6558 	/* Verify write across multiple clusters */
6559 	spdk_blob_io_write(blob, channel, payload_ff, 28, 8, blob_op_complete, NULL);
6560 	poll_threads();
6561 
6562 	SPDK_CU_ASSERT_FATAL(blob->active.clusters[1] != 0);
6563 	cluster1 = &g_dev_buffer[blob->active.clusters[1] * dev->blocklen];
6564 
6565 	/* cluster0: [ F0F0 AAAA | AAAA 0000 | 0000 0000 | 0000 FFFF ]
6566 	 * cluster1: [ FFFF 0000 | 0000 0000 | 0000 0000 | 0000 0000 ] */
6567 	CU_ASSERT(memcmp(cluster0 + 0 * 512, payload_ff, 512) == 0);
6568 	CU_ASSERT(memcmp(cluster0 + 1 * 512, payload_00, 512) == 0);
6569 	CU_ASSERT(memcmp(cluster0 + 2 * 512, payload_ff, 512) == 0);
6570 	CU_ASSERT(memcmp(cluster0 + 3 * 512, payload_00, 512) == 0);
6571 	CU_ASSERT(memcmp(cluster0 + 4 * 512, payload_aa, 8 * 512) == 0);
6572 	CU_ASSERT(memcmp(cluster0 + 28 * 512, payload_ff, 4 * 512) == 0);
6573 
6574 	CU_ASSERT(memcmp(cluster1 + 0 * 512, payload_ff, 4 * 512) == 0);
6575 	CU_ASSERT(memcmp(cluster1 + 4 * 512, payload_00, 28 * 512) == 0);
6576 
6577 	/* Verify write to second cluster */
6578 	spdk_blob_io_write(blob, channel, payload_ff, 32 + 12, 2, blob_op_complete, NULL);
6579 	poll_threads();
6580 
6581 	SPDK_CU_ASSERT_FATAL(blob->active.clusters[1] != 0);
6582 	cluster1 = &g_dev_buffer[blob->active.clusters[1] * dev->blocklen];
6583 
6584 	/* cluster0: [ F0F0 AAAA | AAAA 0000 | 0000 0000 | 0000 FFFF ]
6585 	 * cluster1: [ FFFF 0000 | 0000 FF00 | 0000 0000 | 0000 0000 ] */
6586 	CU_ASSERT(memcmp(cluster0 + 0 * 512, payload_ff, 512) == 0);
6587 	CU_ASSERT(memcmp(cluster0 + 1 * 512, payload_00, 512) == 0);
6588 	CU_ASSERT(memcmp(cluster0 + 2 * 512, payload_ff, 512) == 0);
6589 	CU_ASSERT(memcmp(cluster0 + 3 * 512, payload_00, 512) == 0);
6590 	CU_ASSERT(memcmp(cluster0 + 4 * 512, payload_aa, 8 * 512) == 0);
6591 	CU_ASSERT(memcmp(cluster0 + 28 * 512, payload_ff, 4 * 512) == 0);
6592 
6593 	CU_ASSERT(memcmp(cluster1 + 0 * 512, payload_ff, 4 * 512) == 0);
6594 	CU_ASSERT(memcmp(cluster1 + 4 * 512, payload_00, 8 * 512) == 0);
6595 	CU_ASSERT(memcmp(cluster1 + 12 * 512, payload_ff, 2 * 512) == 0);
6596 	CU_ASSERT(memcmp(cluster1 + 14 * 512, payload_00, 18 * 512) == 0);
6597 }
6598 
6599 static void
6600 test_io_read(struct spdk_bs_dev *dev, struct spdk_blob *blob, struct spdk_io_channel *channel)
6601 {
6602 	uint8_t payload_read[64 * 512];
6603 	uint8_t payload_ff[64 * 512];
6604 	uint8_t payload_aa[64 * 512];
6605 	uint8_t payload_00[64 * 512];
6606 
6607 	memset(payload_ff, 0xFF, sizeof(payload_ff));
6608 	memset(payload_aa, 0xAA, sizeof(payload_aa));
6609 	memset(payload_00, 0x00, sizeof(payload_00));
6610 
6611 	/* Read only first io unit */
6612 	/* cluster0: [ (F)0F0 AAAA | AAAA 0000 | 0000 0000 | 0000 FFFF ]
6613 	 * cluster1: [ FFFF 0000 | 0000 FF00 | 0000 0000 | 0000 0000 ]
6614 	 * payload_read: F000 0000 | 0000 0000 ... */
6615 	memset(payload_read, 0x00, sizeof(payload_read));
6616 	spdk_blob_io_read(blob, channel, payload_read, 0, 1, blob_op_complete, NULL);
6617 	poll_threads();
6618 	CU_ASSERT(g_bserrno == 0);
6619 	CU_ASSERT(memcmp(payload_read + 0 * 512, payload_ff, 512) == 0);
6620 	CU_ASSERT(memcmp(payload_read + 1 * 512, payload_00, 31 * 512) == 0);
6621 
6622 	/* Read four io_units starting from offset = 2
6623 	 * cluster0: [ F0(F0 AA)AA | AAAA 0000 | 0000 0000 | 0000 FFFF ]
6624 	 * cluster1: [ FFFF 0000 | 0000 FF00 | 0000 0000 | 0000 0000 ]
6625 	 * payload_read: F0AA 0000 | 0000 0000 ... */
6626 
6627 	memset(payload_read, 0x00, sizeof(payload_read));
6628 	spdk_blob_io_read(blob, channel, payload_read, 2, 4, blob_op_complete, NULL);
6629 	poll_threads();
6630 	CU_ASSERT(g_bserrno == 0);
6631 
6632 	CU_ASSERT(memcmp(payload_read + 0 * 512, payload_ff, 512) == 0);
6633 	CU_ASSERT(memcmp(payload_read + 1 * 512, payload_00, 512) == 0);
6634 	CU_ASSERT(memcmp(payload_read + 2 * 512, payload_aa, 512) == 0);
6635 	CU_ASSERT(memcmp(payload_read + 3 * 512, payload_aa, 512) == 0);
6636 	CU_ASSERT(memcmp(payload_read + 4 * 512, payload_00, 28 * 512) == 0);
6637 
6638 	/* Read eight io_units across multiple pages
6639 	 * cluster0: [ F0F0 (AAAA | AAAA) 0000 | 0000 0000 | 0000 FFFF ]
6640 	 * cluster1: [ FFFF 0000 | 0000 FF00 | 0000 0000 | 0000 0000 ]
6641 	 * payload_read: AAAA AAAA | 0000 0000 ... */
6642 	memset(payload_read, 0x00, sizeof(payload_read));
6643 	spdk_blob_io_read(blob, channel, payload_read, 4, 8, blob_op_complete, NULL);
6644 	poll_threads();
6645 	CU_ASSERT(g_bserrno == 0);
6646 
6647 	CU_ASSERT(memcmp(payload_read + 0 * 512, payload_aa, 8 * 512) == 0);
6648 	CU_ASSERT(memcmp(payload_read + 8 * 512, payload_00, 24 * 512) == 0);
6649 
6650 	/* Read eight io_units across multiple clusters
6651 	 * cluster0: [ F0F0 AAAA | AAAA 0000 | 0000 0000 | 0000 (FFFF ]
6652 	 * cluster1: [ FFFF) 0000 | 0000 FF00 | 0000 0000 | 0000 0000 ]
6653 	 * payload_read: FFFF FFFF | 0000 0000 ... */
6654 	memset(payload_read, 0x00, sizeof(payload_read));
6655 	spdk_blob_io_read(blob, channel, payload_read, 28, 8, blob_op_complete, NULL);
6656 	poll_threads();
6657 	CU_ASSERT(g_bserrno == 0);
6658 
6659 	CU_ASSERT(memcmp(payload_read + 0 * 512, payload_ff, 8 * 512) == 0);
6660 	CU_ASSERT(memcmp(payload_read + 8 * 512, payload_00, 24 * 512) == 0);
6661 
6662 	/* Read four io_units from second cluster
6663 	 * cluster0: [ F0F0 AAAA | AAAA 0000 | 0000 0000 | 0000 FFFF ]
6664 	 * cluster1: [ FFFF 0000 | 00(00 FF)00 | 0000 0000 | 0000 0000 ]
6665 	 * payload_read: 00FF 0000 | 0000 0000 ... */
6666 	memset(payload_read, 0x00, sizeof(payload_read));
6667 	spdk_blob_io_read(blob, channel, payload_read, 32 + 10, 4, blob_op_complete, NULL);
6668 	poll_threads();
6669 	CU_ASSERT(g_bserrno == 0);
6670 
6671 	CU_ASSERT(memcmp(payload_read + 0 * 512, payload_00, 2 * 512) == 0);
6672 	CU_ASSERT(memcmp(payload_read + 2 * 512, payload_ff, 2 * 512) == 0);
6673 	CU_ASSERT(memcmp(payload_read + 4 * 512, payload_00, 28 * 512) == 0);
6674 
6675 	/* Read second cluster
6676 	 * cluster0: [ F0F0 AAAA | AAAA 0000 | 0000 0000 | 0000 FFFF ]
6677 	 * cluster1: [ (FFFF 0000 | 0000 FF00 | 0000 0000 | 0000 0000) ]
6678 	 * payload_read: FFFF 0000 | 0000 FF00 ... */
6679 	memset(payload_read, 0x00, sizeof(payload_read));
6680 	spdk_blob_io_read(blob, channel, payload_read, 32, 32, blob_op_complete, NULL);
6681 	poll_threads();
6682 	CU_ASSERT(g_bserrno == 0);
6683 	CU_ASSERT(memcmp(payload_read + 0 * 512, payload_ff, 4 * 512) == 0);
6684 	CU_ASSERT(memcmp(payload_read + 4 * 512, payload_00, 8 * 512) == 0);
6685 	CU_ASSERT(memcmp(payload_read + 12 * 512, payload_ff, 2 * 512) == 0);
6686 	CU_ASSERT(memcmp(payload_read + 14 * 512, payload_00, 18 * 512) == 0);
6687 
6688 	/* Read whole two clusters
6689 	 * cluster0: [ (F0F0 AAAA | AAAA) 0000 | 0000 0000 | 0000 FFFF ]
6690 	 * cluster1: [ FFFF 0000 | 0000 FF00 | 0000 0000 | 0000 0000) ] */
6691 	memset(payload_read, 0x00, sizeof(payload_read));
6692 	spdk_blob_io_read(blob, channel, payload_read, 0, 64, blob_op_complete, NULL);
6693 	poll_threads();
6694 	CU_ASSERT(g_bserrno == 0);
6695 
6696 	CU_ASSERT(memcmp(payload_read + 0 * 512, payload_ff, 512) == 0);
6697 	CU_ASSERT(memcmp(payload_read + 1 * 512, payload_00, 512) == 0);
6698 	CU_ASSERT(memcmp(payload_read + 2 * 512, payload_ff, 512) == 0);
6699 	CU_ASSERT(memcmp(payload_read + 3 * 512, payload_00, 512) == 0);
6700 	CU_ASSERT(memcmp(payload_read + 4 * 512, payload_aa, 8 * 512) == 0);
6701 	CU_ASSERT(memcmp(payload_read + 28 * 512, payload_ff, 4 * 512) == 0);
6702 
6703 	CU_ASSERT(memcmp(payload_read + (32 + 0) * 512, payload_ff, 4 * 512) == 0);
6704 	CU_ASSERT(memcmp(payload_read + (32 + 4) * 512, payload_00, 8 * 512) == 0);
6705 	CU_ASSERT(memcmp(payload_read + (32 + 12) * 512, payload_ff, 2 * 512) == 0);
6706 	CU_ASSERT(memcmp(payload_read + (32 + 14) * 512, payload_00, 18 * 512) == 0);
6707 }
6708 
6709 
6710 static void
6711 test_io_unmap(struct spdk_bs_dev *dev, struct spdk_blob *blob, struct spdk_io_channel *channel)
6712 {
6713 	uint8_t payload_ff[64 * 512];
6714 	uint8_t payload_aa[64 * 512];
6715 	uint8_t payload_00[64 * 512];
6716 	uint8_t *cluster0, *cluster1;
6717 
6718 	memset(payload_ff, 0xFF, sizeof(payload_ff));
6719 	memset(payload_aa, 0xAA, sizeof(payload_aa));
6720 	memset(payload_00, 0x00, sizeof(payload_00));
6721 
6722 	cluster0 = &g_dev_buffer[blob->active.clusters[0] * dev->blocklen];
6723 	cluster1 = &g_dev_buffer[blob->active.clusters[1] * dev->blocklen];
6724 
6725 	/* Unmap */
6726 	spdk_blob_io_unmap(blob, channel, 0, 64, blob_op_complete, NULL);
6727 	poll_threads();
6728 
6729 	CU_ASSERT(g_bserrno == 0);
6730 
6731 	CU_ASSERT(memcmp(cluster0 + 0 * 512, payload_00, 32 * 512) == 0);
6732 	CU_ASSERT(memcmp(cluster1 + 0 * 512, payload_00, 32 * 512) == 0);
6733 }
6734 
6735 static void
6736 test_io_zeroes(struct spdk_bs_dev *dev, struct spdk_blob *blob, struct spdk_io_channel *channel)
6737 {
6738 	uint8_t payload_ff[64 * 512];
6739 	uint8_t payload_aa[64 * 512];
6740 	uint8_t payload_00[64 * 512];
6741 	uint8_t *cluster0, *cluster1;
6742 
6743 	memset(payload_ff, 0xFF, sizeof(payload_ff));
6744 	memset(payload_aa, 0xAA, sizeof(payload_aa));
6745 	memset(payload_00, 0x00, sizeof(payload_00));
6746 
6747 	cluster0 = &g_dev_buffer[blob->active.clusters[0] * dev->blocklen];
6748 	cluster1 = &g_dev_buffer[blob->active.clusters[1] * dev->blocklen];
6749 
6750 	/* Write zeroes  */
6751 	spdk_blob_io_write_zeroes(blob, channel, 0, 64, blob_op_complete, NULL);
6752 	poll_threads();
6753 
6754 	CU_ASSERT(g_bserrno == 0);
6755 
6756 	CU_ASSERT(memcmp(cluster0 + 0 * 512, payload_00, 32 * 512) == 0);
6757 	CU_ASSERT(memcmp(cluster1 + 0 * 512, payload_00, 32 * 512) == 0);
6758 }
6759 
6760 
6761 static void
6762 test_iov_write(struct spdk_bs_dev *dev, struct spdk_blob *blob, struct spdk_io_channel *channel)
6763 {
6764 	uint8_t payload_ff[64 * 512];
6765 	uint8_t payload_aa[64 * 512];
6766 	uint8_t payload_00[64 * 512];
6767 	uint8_t *cluster0, *cluster1;
6768 	struct iovec iov[4];
6769 
6770 	memset(payload_ff, 0xFF, sizeof(payload_ff));
6771 	memset(payload_aa, 0xAA, sizeof(payload_aa));
6772 	memset(payload_00, 0x00, sizeof(payload_00));
6773 
6774 	/* Try to perform I/O with io unit = 512 */
6775 	iov[0].iov_base = payload_ff;
6776 	iov[0].iov_len = 1 * 512;
6777 	spdk_blob_io_writev(blob, channel, iov, 1, 0, 1, blob_op_complete, NULL);
6778 	poll_threads();
6779 	CU_ASSERT(g_bserrno == 0);
6780 
6781 	/* If thin provisioned is set cluster should be allocated now */
6782 	SPDK_CU_ASSERT_FATAL(blob->active.clusters[0] != 0);
6783 	cluster0 = &g_dev_buffer[blob->active.clusters[0] * dev->blocklen];
6784 
6785 	/* Each character 0-F symbolizes single io_unit containing 512 bytes block filled with that character.
6786 	* Each page is separated by |. Whole block [...] symbolizes one cluster (containing 4 pages). */
6787 	/* cluster0: [ F000 0000 | 0000 0000 | 0000 0000 | 0000 0000 ] */
6788 	CU_ASSERT(memcmp(cluster0 + 0 * 512, payload_ff, 512) == 0);
6789 	CU_ASSERT(memcmp(cluster0 + 1 * 512, payload_00, 31 * 512) == 0);
6790 
6791 	/* Verify write with offset on first page */
6792 	iov[0].iov_base = payload_ff;
6793 	iov[0].iov_len = 1 * 512;
6794 	spdk_blob_io_writev(blob, channel, iov, 1, 2, 1, blob_op_complete, NULL);
6795 	poll_threads();
6796 	CU_ASSERT(g_bserrno == 0);
6797 
6798 	/* cluster0: [ F0F0 0000 | 0000 0000 | 0000 0000 | 0000 0000 ] */
6799 	CU_ASSERT(memcmp(cluster0 + 0 * 512, payload_ff, 512) == 0);
6800 	CU_ASSERT(memcmp(cluster0 + 1 * 512, payload_00, 512) == 0);
6801 	CU_ASSERT(memcmp(cluster0 + 2 * 512, payload_ff, 512) == 0);
6802 	CU_ASSERT(memcmp(cluster0 + 3 * 512, payload_00, 512) == 0);
6803 	CU_ASSERT(memcmp(cluster0 + 4 * 512, payload_00, 28 * 512) == 0);
6804 
6805 	/* Verify write with offset on first page */
6806 	iov[0].iov_base = payload_ff;
6807 	iov[0].iov_len = 4 * 512;
6808 	spdk_blob_io_writev(blob, channel, iov, 1, 4, 4, blob_op_complete, NULL);
6809 	poll_threads();
6810 
6811 	/* cluster0: [ F0F0 FFFF | 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_ff, 4 * 512) == 0);
6817 	CU_ASSERT(memcmp(cluster0 + 8 * 512, payload_00, 24 * 512) == 0);
6818 
6819 	/* Verify write with offset on second page */
6820 	iov[0].iov_base = payload_ff;
6821 	iov[0].iov_len = 4 * 512;
6822 	spdk_blob_io_writev(blob, channel, iov, 1, 8, 4, blob_op_complete, NULL);
6823 	poll_threads();
6824 
6825 	/* cluster0: [ F0F0 FFFF | FFFF 0000 | 0000 0000 | 0000 0000 ] */
6826 	CU_ASSERT(memcmp(cluster0 + 0 * 512, payload_ff, 512) == 0);
6827 	CU_ASSERT(memcmp(cluster0 + 1 * 512, payload_00, 512) == 0);
6828 	CU_ASSERT(memcmp(cluster0 + 2 * 512, payload_ff, 512) == 0);
6829 	CU_ASSERT(memcmp(cluster0 + 3 * 512, payload_00, 512) == 0);
6830 	CU_ASSERT(memcmp(cluster0 + 4 * 512, payload_ff, 8 * 512) == 0);
6831 	CU_ASSERT(memcmp(cluster0 + 12 * 512, payload_00, 20 * 512) == 0);
6832 
6833 	/* Verify write across multiple pages */
6834 	iov[0].iov_base = payload_aa;
6835 	iov[0].iov_len = 8 * 512;
6836 	spdk_blob_io_writev(blob, channel, iov, 1, 4, 8, blob_op_complete, NULL);
6837 	poll_threads();
6838 
6839 	/* cluster0: [ F0F0 AAAA | AAAA 0000 | 0000 0000 | 0000 0000 ] */
6840 	CU_ASSERT(memcmp(cluster0 + 0 * 512, payload_ff, 512) == 0);
6841 	CU_ASSERT(memcmp(cluster0 + 1 * 512, payload_00, 512) == 0);
6842 	CU_ASSERT(memcmp(cluster0 + 2 * 512, payload_ff, 512) == 0);
6843 	CU_ASSERT(memcmp(cluster0 + 3 * 512, payload_00, 512) == 0);
6844 	CU_ASSERT(memcmp(cluster0 + 4 * 512, payload_aa, 8 * 512) == 0);
6845 	CU_ASSERT(memcmp(cluster0 + 12 * 512, payload_00, 20 * 512) == 0);
6846 
6847 	/* Verify write across multiple clusters */
6848 
6849 	iov[0].iov_base = payload_ff;
6850 	iov[0].iov_len = 8 * 512;
6851 	spdk_blob_io_writev(blob, channel, iov, 1, 28, 8, blob_op_complete, NULL);
6852 	poll_threads();
6853 
6854 	SPDK_CU_ASSERT_FATAL(blob->active.clusters[1] != 0);
6855 	cluster1 = &g_dev_buffer[blob->active.clusters[1] * dev->blocklen];
6856 
6857 	/* cluster0: [ F0F0 AAAA | AAAA 0000 | 0000 0000 | 0000 FFFF ]
6858 	 * cluster1: [ FFFF 0000 | 0000 0000 | 0000 0000 | 0000 0000 ] */
6859 	CU_ASSERT(memcmp(cluster0 + 0 * 512, payload_ff, 512) == 0);
6860 	CU_ASSERT(memcmp(cluster0 + 1 * 512, payload_00, 512) == 0);
6861 	CU_ASSERT(memcmp(cluster0 + 2 * 512, payload_ff, 512) == 0);
6862 	CU_ASSERT(memcmp(cluster0 + 3 * 512, payload_00, 512) == 0);
6863 	CU_ASSERT(memcmp(cluster0 + 4 * 512, payload_aa, 8 * 512) == 0);
6864 	CU_ASSERT(memcmp(cluster0 + 12 * 512, payload_00, 16 * 512) == 0);
6865 	CU_ASSERT(memcmp(cluster0 + 28 * 512, payload_ff, 4 * 512) == 0);
6866 
6867 	CU_ASSERT(memcmp(cluster1 + 0 * 512, payload_ff, 4 * 512) == 0);
6868 	CU_ASSERT(memcmp(cluster1 + 4 * 512, payload_00, 28 * 512) == 0);
6869 
6870 	/* Verify write to second cluster */
6871 
6872 	iov[0].iov_base = payload_ff;
6873 	iov[0].iov_len = 2 * 512;
6874 	spdk_blob_io_writev(blob, channel, iov, 1, 32 + 12, 2, blob_op_complete, NULL);
6875 	poll_threads();
6876 
6877 	SPDK_CU_ASSERT_FATAL(blob->active.clusters[1] != 0);
6878 	cluster1 = &g_dev_buffer[blob->active.clusters[1] * dev->blocklen];
6879 
6880 	/* cluster0: [ F0F0 AAAA | AAAA 0000 | 0000 0000 | 0000 FFFF ]
6881 	 * cluster1: [ FFFF 0000 | 0000 FF00 | 0000 0000 | 0000 0000 ] */
6882 	CU_ASSERT(memcmp(cluster0 + 0 * 512, payload_ff, 512) == 0);
6883 	CU_ASSERT(memcmp(cluster0 + 1 * 512, payload_00, 512) == 0);
6884 	CU_ASSERT(memcmp(cluster0 + 2 * 512, payload_ff, 512) == 0);
6885 	CU_ASSERT(memcmp(cluster0 + 3 * 512, payload_00, 512) == 0);
6886 	CU_ASSERT(memcmp(cluster0 + 4 * 512, payload_aa, 8 * 512) == 0);
6887 	CU_ASSERT(memcmp(cluster0 + 28 * 512, payload_ff, 4 * 512) == 0);
6888 
6889 	CU_ASSERT(memcmp(cluster1 + 0 * 512, payload_ff, 4 * 512) == 0);
6890 	CU_ASSERT(memcmp(cluster1 + 4 * 512, payload_00, 8 * 512) == 0);
6891 	CU_ASSERT(memcmp(cluster1 + 12 * 512, payload_ff, 2 * 512) == 0);
6892 	CU_ASSERT(memcmp(cluster1 + 14 * 512, payload_00, 18 * 512) == 0);
6893 }
6894 
6895 static void
6896 test_iov_read(struct spdk_bs_dev *dev, struct spdk_blob *blob, struct spdk_io_channel *channel)
6897 {
6898 	uint8_t payload_read[64 * 512];
6899 	uint8_t payload_ff[64 * 512];
6900 	uint8_t payload_aa[64 * 512];
6901 	uint8_t payload_00[64 * 512];
6902 	struct iovec iov[4];
6903 
6904 	memset(payload_ff, 0xFF, sizeof(payload_ff));
6905 	memset(payload_aa, 0xAA, sizeof(payload_aa));
6906 	memset(payload_00, 0x00, sizeof(payload_00));
6907 
6908 	/* Read only first io unit */
6909 	/* cluster0: [ (F)0F0 AAAA | AAAA 0000 | 0000 0000 | 0000 FFFF ]
6910 	 * cluster1: [ FFFF 0000 | 0000 FF00 | 0000 0000 | 0000 0000 ]
6911 	 * payload_read: F000 0000 | 0000 0000 ... */
6912 	memset(payload_read, 0x00, sizeof(payload_read));
6913 	iov[0].iov_base = payload_read;
6914 	iov[0].iov_len = 1 * 512;
6915 	spdk_blob_io_readv(blob, channel, iov, 1, 0, 1, blob_op_complete, NULL);
6916 	poll_threads();
6917 
6918 	CU_ASSERT(g_bserrno == 0);
6919 	CU_ASSERT(memcmp(payload_read + 0 * 512, payload_ff, 512) == 0);
6920 	CU_ASSERT(memcmp(payload_read + 1 * 512, payload_00, 31 * 512) == 0);
6921 
6922 	/* Read four io_units starting from offset = 2
6923 	 * cluster0: [ F0(F0 AA)AA | AAAA 0000 | 0000 0000 | 0000 FFFF ]
6924 	 * cluster1: [ FFFF 0000 | 0000 FF00 | 0000 0000 | 0000 0000 ]
6925 	 * payload_read: F0AA 0000 | 0000 0000 ... */
6926 
6927 	memset(payload_read, 0x00, sizeof(payload_read));
6928 	iov[0].iov_base = payload_read;
6929 	iov[0].iov_len = 4 * 512;
6930 	spdk_blob_io_readv(blob, channel, iov, 1, 2, 4, blob_op_complete, NULL);
6931 	poll_threads();
6932 	CU_ASSERT(g_bserrno == 0);
6933 
6934 	CU_ASSERT(memcmp(payload_read + 0 * 512, payload_ff, 512) == 0);
6935 	CU_ASSERT(memcmp(payload_read + 1 * 512, payload_00, 512) == 0);
6936 	CU_ASSERT(memcmp(payload_read + 2 * 512, payload_aa, 512) == 0);
6937 	CU_ASSERT(memcmp(payload_read + 3 * 512, payload_aa, 512) == 0);
6938 	CU_ASSERT(memcmp(payload_read + 4 * 512, payload_00, 28 * 512) == 0);
6939 
6940 	/* Read eight io_units across multiple pages
6941 	 * cluster0: [ F0F0 (AAAA | AAAA) 0000 | 0000 0000 | 0000 FFFF ]
6942 	 * cluster1: [ FFFF 0000 | 0000 FF00 | 0000 0000 | 0000 0000 ]
6943 	 * payload_read: AAAA AAAA | 0000 0000 ... */
6944 	memset(payload_read, 0x00, sizeof(payload_read));
6945 	iov[0].iov_base = payload_read;
6946 	iov[0].iov_len = 4 * 512;
6947 	iov[1].iov_base = payload_read + 4 * 512;
6948 	iov[1].iov_len = 4 * 512;
6949 	spdk_blob_io_readv(blob, channel, iov, 2, 4, 8, blob_op_complete, NULL);
6950 	poll_threads();
6951 	CU_ASSERT(g_bserrno == 0);
6952 
6953 	CU_ASSERT(memcmp(payload_read + 0 * 512, payload_aa, 8 * 512) == 0);
6954 	CU_ASSERT(memcmp(payload_read + 8 * 512, payload_00, 24 * 512) == 0);
6955 
6956 	/* Read eight io_units across multiple clusters
6957 	 * cluster0: [ F0F0 AAAA | AAAA 0000 | 0000 0000 | 0000 (FFFF ]
6958 	 * cluster1: [ FFFF) 0000 | 0000 FF00 | 0000 0000 | 0000 0000 ]
6959 	 * payload_read: FFFF FFFF | 0000 0000 ... */
6960 	memset(payload_read, 0x00, sizeof(payload_read));
6961 	iov[0].iov_base = payload_read;
6962 	iov[0].iov_len = 2 * 512;
6963 	iov[1].iov_base = payload_read + 2 * 512;
6964 	iov[1].iov_len = 2 * 512;
6965 	iov[2].iov_base = payload_read + 4 * 512;
6966 	iov[2].iov_len = 2 * 512;
6967 	iov[3].iov_base = payload_read + 6 * 512;
6968 	iov[3].iov_len = 2 * 512;
6969 	spdk_blob_io_readv(blob, channel, iov, 4, 28, 8, blob_op_complete, NULL);
6970 	poll_threads();
6971 	CU_ASSERT(g_bserrno == 0);
6972 
6973 	CU_ASSERT(memcmp(payload_read + 0 * 512, payload_ff, 8 * 512) == 0);
6974 	CU_ASSERT(memcmp(payload_read + 8 * 512, payload_00, 24 * 512) == 0);
6975 
6976 	/* Read four io_units from second cluster
6977 	 * cluster0: [ F0F0 AAAA | AAAA 0000 | 0000 0000 | 0000 FFFF ]
6978 	 * cluster1: [ FFFF 0000 | 00(00 FF)00 | 0000 0000 | 0000 0000 ]
6979 	 * payload_read: 00FF 0000 | 0000 0000 ... */
6980 	memset(payload_read, 0x00, sizeof(payload_read));
6981 	iov[0].iov_base = payload_read;
6982 	iov[0].iov_len = 1 * 512;
6983 	iov[1].iov_base = payload_read + 1 * 512;
6984 	iov[1].iov_len = 3 * 512;
6985 	spdk_blob_io_readv(blob, channel, iov, 2, 32 + 10, 4, blob_op_complete, NULL);
6986 	poll_threads();
6987 	CU_ASSERT(g_bserrno == 0);
6988 
6989 	CU_ASSERT(memcmp(payload_read + 0 * 512, payload_00, 2 * 512) == 0);
6990 	CU_ASSERT(memcmp(payload_read + 2 * 512, payload_ff, 2 * 512) == 0);
6991 	CU_ASSERT(memcmp(payload_read + 4 * 512, payload_00, 28 * 512) == 0);
6992 
6993 	/* Read second cluster
6994 	 * cluster0: [ F0F0 AAAA | AAAA 0000 | 0000 0000 | 0000 FFFF ]
6995 	 * cluster1: [ (FFFF 0000 | 0000 FF00 | 0000 0000 | 0000 0000) ]
6996 	 * payload_read: FFFF 0000 | 0000 FF00 ... */
6997 	memset(payload_read, 0x00, sizeof(payload_read));
6998 	iov[0].iov_base = payload_read;
6999 	iov[0].iov_len = 1 * 512;
7000 	iov[1].iov_base = payload_read + 1 * 512;
7001 	iov[1].iov_len = 2 * 512;
7002 	iov[2].iov_base = payload_read + 3 * 512;
7003 	iov[2].iov_len = 4 * 512;
7004 	iov[3].iov_base = payload_read + 7 * 512;
7005 	iov[3].iov_len = 25 * 512;
7006 	spdk_blob_io_readv(blob, channel, iov, 4, 32, 32, blob_op_complete, NULL);
7007 	poll_threads();
7008 	CU_ASSERT(g_bserrno == 0);
7009 	CU_ASSERT(memcmp(payload_read + 0 * 512, payload_ff, 4 * 512) == 0);
7010 	CU_ASSERT(memcmp(payload_read + 4 * 512, payload_00, 8 * 512) == 0);
7011 	CU_ASSERT(memcmp(payload_read + 12 * 512, payload_ff, 2 * 512) == 0);
7012 	CU_ASSERT(memcmp(payload_read + 14 * 512, payload_00, 18 * 512) == 0);
7013 
7014 	/* Read whole two clusters
7015 	 * cluster0: [ (F0F0 AAAA | AAAA) 0000 | 0000 0000 | 0000 FFFF ]
7016 	 * cluster1: [ FFFF 0000 | 0000 FF00 | 0000 0000 | 0000 0000) ] */
7017 	memset(payload_read, 0x00, sizeof(payload_read));
7018 	iov[0].iov_base = payload_read;
7019 	iov[0].iov_len = 1 * 512;
7020 	iov[1].iov_base = payload_read + 1 * 512;
7021 	iov[1].iov_len = 8 * 512;
7022 	iov[2].iov_base = payload_read + 9 * 512;
7023 	iov[2].iov_len = 16 * 512;
7024 	iov[3].iov_base = payload_read + 25 * 512;
7025 	iov[3].iov_len = 39 * 512;
7026 	spdk_blob_io_readv(blob, channel, iov, 4, 0, 64, blob_op_complete, NULL);
7027 	poll_threads();
7028 	CU_ASSERT(g_bserrno == 0);
7029 
7030 	CU_ASSERT(memcmp(payload_read + 0 * 512, payload_ff, 512) == 0);
7031 	CU_ASSERT(memcmp(payload_read + 1 * 512, payload_00, 512) == 0);
7032 	CU_ASSERT(memcmp(payload_read + 2 * 512, payload_ff, 512) == 0);
7033 	CU_ASSERT(memcmp(payload_read + 3 * 512, payload_00, 512) == 0);
7034 	CU_ASSERT(memcmp(payload_read + 4 * 512, payload_aa, 8 * 512) == 0);
7035 	CU_ASSERT(memcmp(payload_read + 28 * 512, payload_ff, 4 * 512) == 0);
7036 
7037 	CU_ASSERT(memcmp(payload_read + (32 + 0) * 512, payload_ff, 4 * 512) == 0);
7038 	CU_ASSERT(memcmp(payload_read + (32 + 4) * 512, payload_00, 8 * 512) == 0);
7039 	CU_ASSERT(memcmp(payload_read + (32 + 12) * 512, payload_ff, 2 * 512) == 0);
7040 	CU_ASSERT(memcmp(payload_read + (32 + 14) * 512, payload_00, 18 * 512) == 0);
7041 }
7042 
7043 static void
7044 blob_io_unit(void)
7045 {
7046 	struct spdk_bs_opts bsopts;
7047 	struct spdk_blob_opts opts;
7048 	struct spdk_bs_dev *dev;
7049 	struct spdk_blob *blob, *snapshot, *clone;
7050 	spdk_blob_id blobid;
7051 	struct spdk_io_channel *channel;
7052 
7053 	/* Create dev with 512 bytes io unit size */
7054 
7055 	spdk_bs_opts_init(&bsopts);
7056 	bsopts.cluster_sz = SPDK_BS_PAGE_SIZE * 4;	/* 8 * 4 = 32 io_unit */
7057 	snprintf(bsopts.bstype.bstype, sizeof(bsopts.bstype.bstype), "TESTTYPE");
7058 
7059 	/* Try to initialize a new blob store with unsupported io_unit */
7060 	dev = init_dev();
7061 	dev->blocklen = 512;
7062 	dev->blockcnt =  DEV_BUFFER_SIZE / dev->blocklen;
7063 
7064 	/* Initialize a new blob store */
7065 	spdk_bs_init(dev, &bsopts, bs_op_with_handle_complete, NULL);
7066 	poll_threads();
7067 	CU_ASSERT(g_bserrno == 0);
7068 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
7069 
7070 	CU_ASSERT(spdk_bs_get_io_unit_size(g_bs) == 512);
7071 	channel = spdk_bs_alloc_io_channel(g_bs);
7072 
7073 	/* Create thick provisioned blob */
7074 	spdk_blob_opts_init(&opts);
7075 	opts.thin_provision = false;
7076 	opts.num_clusters = 32;
7077 
7078 	spdk_bs_create_blob_ext(g_bs, &opts, blob_op_with_id_complete, NULL);
7079 	poll_threads();
7080 
7081 	CU_ASSERT(g_bserrno == 0);
7082 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
7083 	blobid = g_blobid;
7084 
7085 	spdk_bs_open_blob(g_bs, blobid, blob_op_with_handle_complete, NULL);
7086 	poll_threads();
7087 	CU_ASSERT(g_bserrno == 0);
7088 	CU_ASSERT(g_blob != NULL);
7089 	blob = g_blob;
7090 
7091 	test_io_write(dev, blob, channel);
7092 	test_io_read(dev, blob, channel);
7093 	test_io_zeroes(dev, blob, channel);
7094 
7095 	test_iov_write(dev, blob, channel);
7096 	test_iov_read(dev, blob, channel);
7097 
7098 	test_io_unmap(dev, blob, channel);
7099 
7100 	spdk_blob_close(blob, blob_op_complete, NULL);
7101 	poll_threads();
7102 	CU_ASSERT(g_bserrno == 0);
7103 	blob = NULL;
7104 	g_blob = NULL;
7105 
7106 	/* Create thin provisioned blob */
7107 
7108 	spdk_blob_opts_init(&opts);
7109 	opts.thin_provision = true;
7110 	opts.num_clusters = 32;
7111 
7112 	spdk_bs_create_blob_ext(g_bs, &opts, blob_op_with_id_complete, NULL);
7113 	poll_threads();
7114 	CU_ASSERT(g_bserrno == 0);
7115 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
7116 	blobid = g_blobid;
7117 
7118 	spdk_bs_open_blob(g_bs, blobid, blob_op_with_handle_complete, NULL);
7119 	poll_threads();
7120 	CU_ASSERT(g_bserrno == 0);
7121 	CU_ASSERT(g_blob != NULL);
7122 	blob = g_blob;
7123 
7124 	test_io_write(dev, blob, channel);
7125 	test_io_read(dev, blob, channel);
7126 
7127 	test_io_zeroes(dev, blob, channel);
7128 
7129 	test_iov_write(dev, blob, channel);
7130 	test_iov_read(dev, blob, channel);
7131 
7132 	/* Create snapshot */
7133 
7134 	spdk_bs_create_snapshot(g_bs, blobid, NULL, blob_op_with_id_complete, NULL);
7135 	poll_threads();
7136 	CU_ASSERT(g_bserrno == 0);
7137 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
7138 	blobid = g_blobid;
7139 
7140 	spdk_bs_open_blob(g_bs, blobid, blob_op_with_handle_complete, NULL);
7141 	poll_threads();
7142 	CU_ASSERT(g_bserrno == 0);
7143 	CU_ASSERT(g_blob != NULL);
7144 	snapshot = g_blob;
7145 
7146 	spdk_bs_create_clone(g_bs, blobid, NULL, blob_op_with_id_complete, NULL);
7147 	poll_threads();
7148 	CU_ASSERT(g_bserrno == 0);
7149 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
7150 	blobid = g_blobid;
7151 
7152 	spdk_bs_open_blob(g_bs, blobid, blob_op_with_handle_complete, NULL);
7153 	poll_threads();
7154 	CU_ASSERT(g_bserrno == 0);
7155 	CU_ASSERT(g_blob != NULL);
7156 	clone = g_blob;
7157 
7158 	test_io_read(dev, blob, channel);
7159 	test_io_read(dev, snapshot, channel);
7160 	test_io_read(dev, clone, channel);
7161 
7162 	test_iov_read(dev, blob, channel);
7163 	test_iov_read(dev, snapshot, channel);
7164 	test_iov_read(dev, clone, channel);
7165 
7166 	/* Inflate clone */
7167 
7168 	spdk_bs_inflate_blob(g_bs, channel, blobid, blob_op_complete, NULL);
7169 	poll_threads();
7170 
7171 	CU_ASSERT(g_bserrno == 0);
7172 
7173 	test_io_read(dev, clone, channel);
7174 
7175 	test_io_unmap(dev, clone, channel);
7176 
7177 	test_iov_write(dev, clone, channel);
7178 	test_iov_read(dev, clone, channel);
7179 
7180 	spdk_blob_close(blob, blob_op_complete, NULL);
7181 	spdk_blob_close(snapshot, blob_op_complete, NULL);
7182 	spdk_blob_close(clone, blob_op_complete, NULL);
7183 	poll_threads();
7184 	CU_ASSERT(g_bserrno == 0);
7185 	blob = NULL;
7186 	g_blob = NULL;
7187 
7188 	/* Unload the blob store */
7189 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
7190 	poll_threads();
7191 	CU_ASSERT(g_bserrno == 0);
7192 	g_bs = NULL;
7193 	g_blob = NULL;
7194 	g_blobid = 0;
7195 }
7196 
7197 static void
7198 blob_io_unit_compatiblity(void)
7199 {
7200 	struct spdk_bs_opts bsopts;
7201 	struct spdk_bs_dev *dev;
7202 	struct spdk_bs_super_block *super;
7203 
7204 	/* Create dev with 512 bytes io unit size */
7205 
7206 	spdk_bs_opts_init(&bsopts);
7207 	bsopts.cluster_sz = SPDK_BS_PAGE_SIZE * 4;	/* 8 * 4 = 32 io_unit */
7208 	snprintf(bsopts.bstype.bstype, sizeof(bsopts.bstype.bstype), "TESTTYPE");
7209 
7210 	/* Try to initialize a new blob store with unsupported io_unit */
7211 	dev = init_dev();
7212 	dev->blocklen = 512;
7213 	dev->blockcnt =  DEV_BUFFER_SIZE / dev->blocklen;
7214 
7215 	/* Initialize a new blob store */
7216 	spdk_bs_init(dev, &bsopts, bs_op_with_handle_complete, NULL);
7217 	poll_threads();
7218 	CU_ASSERT(g_bserrno == 0);
7219 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
7220 
7221 	CU_ASSERT(spdk_bs_get_io_unit_size(g_bs) == 512);
7222 
7223 	/* Unload the blob store */
7224 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
7225 	poll_threads();
7226 	CU_ASSERT(g_bserrno == 0);
7227 
7228 	/* Modify super block to behave like older version.
7229 	 * Check if loaded io unit size equals SPDK_BS_PAGE_SIZE */
7230 	super = (struct spdk_bs_super_block *)&g_dev_buffer[0];
7231 	super->io_unit_size = 0;
7232 	super->crc = _spdk_blob_md_page_calc_crc(super);
7233 
7234 	dev = init_dev();
7235 	dev->blocklen = 512;
7236 	dev->blockcnt =  DEV_BUFFER_SIZE / dev->blocklen;
7237 
7238 	spdk_bs_load(dev, &bsopts, bs_op_with_handle_complete, NULL);
7239 	poll_threads();
7240 	CU_ASSERT(g_bserrno == 0);
7241 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
7242 
7243 	CU_ASSERT(spdk_bs_get_io_unit_size(g_bs) == SPDK_BS_PAGE_SIZE);
7244 
7245 	/* Unload the blob store */
7246 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
7247 	poll_threads();
7248 	CU_ASSERT(g_bserrno == 0);
7249 
7250 	g_bs = NULL;
7251 	g_blob = NULL;
7252 	g_blobid = 0;
7253 }
7254 
7255 static void
7256 blob_simultaneous_operations(void)
7257 {
7258 	struct spdk_blob_store *bs;
7259 	struct spdk_bs_dev *dev;
7260 	struct spdk_blob_opts opts;
7261 	struct spdk_blob *blob, *snapshot;
7262 	spdk_blob_id blobid, snapshotid;
7263 	struct spdk_io_channel *channel;
7264 
7265 	dev = init_dev();
7266 
7267 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
7268 	poll_threads();
7269 	CU_ASSERT(g_bserrno == 0);
7270 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
7271 	bs = g_bs;
7272 
7273 	channel = spdk_bs_alloc_io_channel(bs);
7274 	SPDK_CU_ASSERT_FATAL(channel != NULL);
7275 
7276 	spdk_blob_opts_init(&opts);
7277 	opts.num_clusters = 10;
7278 
7279 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
7280 	poll_threads();
7281 	CU_ASSERT(g_bserrno == 0);
7282 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
7283 	blobid = g_blobid;
7284 
7285 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
7286 	poll_threads();
7287 	CU_ASSERT(g_bserrno == 0);
7288 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
7289 	blob = g_blob;
7290 
7291 	/* Create snapshot and try to remove blob in the same time:
7292 	 * - snapshot should be created successfully
7293 	 * - delete operation should fail w -EBUSY */
7294 	CU_ASSERT(blob->locked_operation_in_progress == false);
7295 	spdk_bs_create_snapshot(bs, blobid, NULL, blob_op_with_id_complete, NULL);
7296 	CU_ASSERT(blob->locked_operation_in_progress == true);
7297 	spdk_bs_delete_blob(bs, blobid, blob_op_complete, NULL);
7298 	CU_ASSERT(blob->locked_operation_in_progress == true);
7299 	/* Deletion failure */
7300 	CU_ASSERT(g_bserrno == -EBUSY);
7301 	poll_threads();
7302 	CU_ASSERT(blob->locked_operation_in_progress == false);
7303 	/* Snapshot creation success */
7304 	CU_ASSERT(g_bserrno == 0);
7305 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
7306 
7307 	snapshotid = g_blobid;
7308 
7309 	spdk_bs_open_blob(bs, snapshotid, blob_op_with_handle_complete, NULL);
7310 	poll_threads();
7311 	CU_ASSERT(g_bserrno == 0);
7312 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
7313 	snapshot = g_blob;
7314 
7315 	/* Inflate blob and try to remove blob in the same time:
7316 	 * - blob should be inflated successfully
7317 	 * - delete operation should fail w -EBUSY */
7318 	CU_ASSERT(blob->locked_operation_in_progress == false);
7319 	spdk_bs_inflate_blob(bs, channel, blobid, blob_op_complete, NULL);
7320 	CU_ASSERT(blob->locked_operation_in_progress == true);
7321 	spdk_bs_delete_blob(bs, blobid, blob_op_complete, NULL);
7322 	CU_ASSERT(blob->locked_operation_in_progress == true);
7323 	/* Deletion failure */
7324 	CU_ASSERT(g_bserrno == -EBUSY);
7325 	poll_threads();
7326 	CU_ASSERT(blob->locked_operation_in_progress == false);
7327 	/* Inflation success */
7328 	CU_ASSERT(g_bserrno == 0);
7329 
7330 	/* Clone snapshot and try to remove snapshot in the same time:
7331 	 * - snapshot should be cloned successfully
7332 	 * - delete operation should fail w -EBUSY */
7333 	CU_ASSERT(blob->locked_operation_in_progress == false);
7334 	spdk_bs_create_clone(bs, snapshotid, NULL, blob_op_with_id_complete, NULL);
7335 	spdk_bs_delete_blob(bs, snapshotid, blob_op_complete, NULL);
7336 	/* Deletion failure */
7337 	CU_ASSERT(g_bserrno == -EBUSY);
7338 	poll_threads();
7339 	CU_ASSERT(blob->locked_operation_in_progress == false);
7340 	/* Clone created */
7341 	CU_ASSERT(g_bserrno == 0);
7342 
7343 	/* Resize blob and try to remove blob in the same time:
7344 	 * - blob should be resized successfully
7345 	 * - delete operation should fail w -EBUSY */
7346 	CU_ASSERT(blob->locked_operation_in_progress == false);
7347 	spdk_blob_resize(blob, 50, blob_op_complete, NULL);
7348 	CU_ASSERT(blob->locked_operation_in_progress == true);
7349 	spdk_bs_delete_blob(bs, blobid, blob_op_complete, NULL);
7350 	CU_ASSERT(blob->locked_operation_in_progress == true);
7351 	/* Deletion failure */
7352 	CU_ASSERT(g_bserrno == -EBUSY);
7353 	poll_threads();
7354 	CU_ASSERT(blob->locked_operation_in_progress == false);
7355 	/* Blob resized successfully */
7356 	CU_ASSERT(g_bserrno == 0);
7357 
7358 	spdk_blob_close(blob, blob_op_complete, NULL);
7359 	poll_threads();
7360 	CU_ASSERT(g_bserrno == 0);
7361 
7362 	spdk_blob_close(snapshot, blob_op_complete, NULL);
7363 	poll_threads();
7364 	CU_ASSERT(g_bserrno == 0);
7365 
7366 	spdk_bs_delete_blob(bs, blobid, blob_op_complete, NULL);
7367 	poll_threads();
7368 	CU_ASSERT(g_bserrno == 0);
7369 
7370 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
7371 	poll_threads();
7372 	CU_ASSERT(g_bserrno == 0);
7373 	g_bs = NULL;
7374 
7375 	spdk_bs_free_io_channel(channel);
7376 	poll_threads();
7377 }
7378 
7379 int main(int argc, char **argv)
7380 {
7381 	CU_pSuite	suite = NULL;
7382 	unsigned int	num_failures;
7383 
7384 	if (CU_initialize_registry() != CUE_SUCCESS) {
7385 		return CU_get_error();
7386 	}
7387 
7388 	suite = CU_add_suite("blob", NULL, NULL);
7389 	if (suite == NULL) {
7390 		CU_cleanup_registry();
7391 		return CU_get_error();
7392 	}
7393 
7394 	if (
7395 		CU_add_test(suite, "blob_init", blob_init) == NULL ||
7396 		CU_add_test(suite, "blob_open", blob_open) == NULL ||
7397 		CU_add_test(suite, "blob_create", blob_create) == NULL ||
7398 		CU_add_test(suite, "blob_create_internal", blob_create_internal) == NULL ||
7399 		CU_add_test(suite, "blob_thin_provision", blob_thin_provision) == NULL ||
7400 		CU_add_test(suite, "blob_snapshot", blob_snapshot) == NULL ||
7401 		CU_add_test(suite, "blob_clone", blob_clone) == NULL ||
7402 		CU_add_test(suite, "blob_inflate", blob_inflate) == NULL ||
7403 		CU_add_test(suite, "blob_delete", blob_delete) == NULL ||
7404 		CU_add_test(suite, "blob_resize", blob_resize) == NULL ||
7405 		CU_add_test(suite, "blob_read_only", blob_read_only) == NULL ||
7406 		CU_add_test(suite, "channel_ops", channel_ops) == NULL ||
7407 		CU_add_test(suite, "blob_super", blob_super) == NULL ||
7408 		CU_add_test(suite, "blob_write", blob_write) == NULL ||
7409 		CU_add_test(suite, "blob_read", blob_read) == NULL ||
7410 		CU_add_test(suite, "blob_rw_verify", blob_rw_verify) == NULL ||
7411 		CU_add_test(suite, "blob_rw_verify_iov", blob_rw_verify_iov) == NULL ||
7412 		CU_add_test(suite, "blob_rw_verify_iov_nomem", blob_rw_verify_iov_nomem) == NULL ||
7413 		CU_add_test(suite, "blob_rw_iov_read_only", blob_rw_iov_read_only) == NULL ||
7414 		CU_add_test(suite, "blob_unmap", blob_unmap) == NULL ||
7415 		CU_add_test(suite, "blob_iter", blob_iter) == NULL ||
7416 		CU_add_test(suite, "blob_xattr", blob_xattr) == NULL ||
7417 		CU_add_test(suite, "bs_load", bs_load) == NULL ||
7418 		CU_add_test(suite, "bs_load_pending_removal", bs_load_pending_removal) == NULL ||
7419 		CU_add_test(suite, "bs_load_custom_cluster_size", bs_load_custom_cluster_size) == NULL ||
7420 		CU_add_test(suite, "bs_unload", bs_unload) == NULL ||
7421 		CU_add_test(suite, "bs_cluster_sz", bs_cluster_sz) == NULL ||
7422 		CU_add_test(suite, "bs_usable_clusters", bs_usable_clusters) == NULL ||
7423 		CU_add_test(suite, "bs_resize_md", bs_resize_md) == NULL ||
7424 		CU_add_test(suite, "bs_destroy", bs_destroy) == NULL ||
7425 		CU_add_test(suite, "bs_type", bs_type) == NULL ||
7426 		CU_add_test(suite, "bs_super_block", bs_super_block) == NULL ||
7427 		CU_add_test(suite, "blob_serialize", blob_serialize) == NULL ||
7428 		CU_add_test(suite, "blob_crc", blob_crc) == NULL ||
7429 		CU_add_test(suite, "super_block_crc", super_block_crc) == NULL ||
7430 		CU_add_test(suite, "blob_dirty_shutdown", blob_dirty_shutdown) == NULL ||
7431 		CU_add_test(suite, "blob_flags", blob_flags) == NULL ||
7432 		CU_add_test(suite, "bs_version", bs_version) == NULL ||
7433 		CU_add_test(suite, "blob_set_xattrs", blob_set_xattrs) == NULL ||
7434 		CU_add_test(suite, "blob_thin_prov_alloc", blob_thin_prov_alloc) == NULL ||
7435 		CU_add_test(suite, "blob_insert_cluster_msg", blob_insert_cluster_msg) == NULL ||
7436 		CU_add_test(suite, "blob_thin_prov_rw", blob_thin_prov_rw) == NULL ||
7437 		CU_add_test(suite, "blob_thin_prov_rw_iov", blob_thin_prov_rw_iov) == NULL ||
7438 		CU_add_test(suite, "bs_load_iter", bs_load_iter) == NULL ||
7439 		CU_add_test(suite, "blob_snapshot_rw", blob_snapshot_rw) == NULL ||
7440 		CU_add_test(suite, "blob_snapshot_rw_iov", blob_snapshot_rw_iov) == NULL ||
7441 		CU_add_test(suite, "blob_relations", blob_relations) == NULL ||
7442 		CU_add_test(suite, "blob_relations2", blob_relations2) == NULL ||
7443 		CU_add_test(suite, "blob_delete_snapshot_power_failure",
7444 			    blob_delete_snapshot_power_failure) == NULL ||
7445 		CU_add_test(suite, "blob_create_snapshot_power_failure",
7446 			    blob_create_snapshot_power_failure) == NULL ||
7447 		CU_add_test(suite, "blob_inflate_rw", blob_inflate_rw) == NULL ||
7448 		CU_add_test(suite, "blob_snapshot_freeze_io", blob_snapshot_freeze_io) == NULL ||
7449 		CU_add_test(suite, "blob_operation_split_rw", blob_operation_split_rw) == NULL ||
7450 		CU_add_test(suite, "blob_operation_split_rw_iov", blob_operation_split_rw_iov) == NULL ||
7451 		CU_add_test(suite, "blob_io_unit", blob_io_unit) == NULL ||
7452 		CU_add_test(suite, "blob_io_unit_compatiblity", blob_io_unit_compatiblity) == NULL ||
7453 		CU_add_test(suite, "blob_simultaneous_operations", blob_simultaneous_operations) == NULL
7454 	) {
7455 		CU_cleanup_registry();
7456 		return CU_get_error();
7457 	}
7458 
7459 	allocate_threads(2);
7460 	set_thread(0);
7461 
7462 	g_dev_buffer = calloc(1, DEV_BUFFER_SIZE);
7463 
7464 	CU_basic_set_mode(CU_BRM_VERBOSE);
7465 	CU_basic_run_tests();
7466 	num_failures = CU_get_number_of_failures();
7467 	CU_cleanup_registry();
7468 
7469 	free(g_dev_buffer);
7470 
7471 	free_threads();
7472 
7473 	return num_failures;
7474 }
7475