xref: /spdk/test/unit/lib/blob/blob.c/blob_ut.c (revision c287b5b4edd4e5da570c240cc8da96aeb01f8e8b)
1 /*-
2  *   BSD LICENSE
3  *
4  *   Copyright (c) Intel Corporation.
5  *   All rights reserved.
6  *
7  *   Redistribution and use in source and binary forms, with or without
8  *   modification, are permitted provided that the following conditions
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12  *       notice, this list of conditions and the following disclaimer.
13  *     * Redistributions in binary form must reproduce the above copyright
14  *       notice, this list of conditions and the following disclaimer in
15  *       the documentation and/or other materials provided with the
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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
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23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32  */
33 
34 #include "spdk/stdinc.h"
35 
36 #include "spdk_cunit.h"
37 #include "spdk/blob.h"
38 
39 #include "lib/test_env.c"
40 #include "../bs_dev_common.c"
41 #include "blobstore.c"
42 #include "request.c"
43 #include "zeroes.c"
44 
45 struct spdk_blob_store *g_bs;
46 spdk_blob_id g_blobid;
47 struct spdk_blob *g_blob;
48 int g_bserrno;
49 struct spdk_xattr_names *g_names;
50 int g_done;
51 char *g_xattr_names[] = {"first", "second", "third"};
52 char *g_xattr_values[] = {"one", "two", "three"};
53 uint64_t g_ctx = 1729;
54 
55 bool g_scheduler_delay = false;
56 
57 struct scheduled_ops {
58 	spdk_thread_fn	fn;
59 	void		*ctx;
60 
61 	TAILQ_ENTRY(scheduled_ops)	ops_queue;
62 };
63 
64 static TAILQ_HEAD(, scheduled_ops) g_scheduled_ops = TAILQ_HEAD_INITIALIZER(g_scheduled_ops);
65 
66 struct spdk_bs_super_block_ver1 {
67 	uint8_t		signature[8];
68 	uint32_t        version;
69 	uint32_t        length;
70 	uint32_t	clean; /* If there was a clean shutdown, this is 1. */
71 	spdk_blob_id	super_blob;
72 
73 	uint32_t	cluster_size; /* In bytes */
74 
75 	uint32_t	used_page_mask_start; /* Offset from beginning of disk, in pages */
76 	uint32_t	used_page_mask_len; /* Count, in pages */
77 
78 	uint32_t	used_cluster_mask_start; /* Offset from beginning of disk, in pages */
79 	uint32_t	used_cluster_mask_len; /* Count, in pages */
80 
81 	uint32_t	md_start; /* Offset from beginning of disk, in pages */
82 	uint32_t	md_len; /* Count, in pages */
83 
84 	uint8_t		reserved[4036];
85 	uint32_t	crc;
86 } __attribute__((packed));
87 SPDK_STATIC_ASSERT(sizeof(struct spdk_bs_super_block_ver1) == 0x1000, "Invalid super block size");
88 
89 static void
90 _bs_send_msg(spdk_thread_fn fn, void *ctx, void *thread_ctx)
91 {
92 	if (g_scheduler_delay) {
93 		struct scheduled_ops *ops = calloc(1, sizeof(*ops));
94 
95 		SPDK_CU_ASSERT_FATAL(ops != NULL);
96 		ops->fn = fn;
97 		ops->ctx = ctx;
98 		TAILQ_INSERT_TAIL(&g_scheduled_ops, ops, ops_queue);
99 	} else {
100 		fn(ctx);
101 	}
102 }
103 
104 static void
105 _bs_flush_scheduler(void)
106 {
107 	struct scheduled_ops *ops, *tmp;
108 
109 	TAILQ_FOREACH_SAFE(ops, &g_scheduled_ops, ops_queue, tmp) {
110 		ops->fn(ops->ctx);
111 		TAILQ_REMOVE(&g_scheduled_ops, ops, ops_queue);
112 		free(ops);
113 	}
114 }
115 
116 static void
117 bs_op_complete(void *cb_arg, int bserrno)
118 {
119 	g_bserrno = bserrno;
120 }
121 
122 static void
123 bs_op_with_handle_complete(void *cb_arg, struct spdk_blob_store *bs,
124 			   int bserrno)
125 {
126 	g_bs = bs;
127 	g_bserrno = bserrno;
128 }
129 
130 static void
131 blob_op_complete(void *cb_arg, int bserrno)
132 {
133 	g_bserrno = bserrno;
134 }
135 
136 static void
137 blob_op_with_id_complete(void *cb_arg, spdk_blob_id blobid, int bserrno)
138 {
139 	g_blobid = blobid;
140 	g_bserrno = bserrno;
141 }
142 
143 static void
144 blob_op_with_handle_complete(void *cb_arg, struct spdk_blob *blb, int bserrno)
145 {
146 	g_blob = blb;
147 	g_bserrno = bserrno;
148 }
149 
150 static void
151 blob_init(void)
152 {
153 	struct spdk_bs_dev *dev;
154 
155 	dev = init_dev();
156 
157 	/* should fail for an unsupported blocklen */
158 	dev->blocklen = 500;
159 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
160 	CU_ASSERT(g_bserrno == -EINVAL);
161 
162 	dev = init_dev();
163 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
164 	CU_ASSERT(g_bserrno == 0);
165 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
166 
167 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
168 	CU_ASSERT(g_bserrno == 0);
169 	g_bs = NULL;
170 }
171 
172 static void
173 blob_super(void)
174 {
175 	struct spdk_blob_store *bs;
176 	struct spdk_bs_dev *dev;
177 	spdk_blob_id blobid;
178 
179 	dev = init_dev();
180 
181 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
182 	CU_ASSERT(g_bserrno == 0);
183 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
184 	bs = g_bs;
185 
186 	/* Get the super blob without having set one */
187 	spdk_bs_get_super(bs, blob_op_with_id_complete, NULL);
188 	CU_ASSERT(g_bserrno == -ENOENT);
189 	CU_ASSERT(g_blobid == SPDK_BLOBID_INVALID);
190 
191 	/* Create a blob */
192 	spdk_bs_create_blob(bs, blob_op_with_id_complete, NULL);
193 	CU_ASSERT(g_bserrno == 0);
194 	CU_ASSERT(g_blobid !=  SPDK_BLOBID_INVALID);
195 	blobid = g_blobid;
196 
197 	/* Set the blob as the super blob */
198 	spdk_bs_set_super(bs, blobid, blob_op_complete, NULL);
199 	CU_ASSERT(g_bserrno == 0);
200 
201 	/* Get the super blob */
202 	spdk_bs_get_super(bs, blob_op_with_id_complete, NULL);
203 	CU_ASSERT(g_bserrno == 0);
204 	CU_ASSERT(blobid == g_blobid);
205 
206 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
207 	CU_ASSERT(g_bserrno == 0);
208 	g_bs = NULL;
209 }
210 
211 static void
212 blob_open(void)
213 {
214 	struct spdk_blob_store *bs;
215 	struct spdk_bs_dev *dev;
216 	struct spdk_blob *blob;
217 	spdk_blob_id blobid, blobid2;
218 
219 	dev = init_dev();
220 
221 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
222 	CU_ASSERT(g_bserrno == 0);
223 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
224 	bs = g_bs;
225 
226 	spdk_bs_create_blob(bs, blob_op_with_id_complete, NULL);
227 	CU_ASSERT(g_bserrno == 0);
228 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
229 	blobid = g_blobid;
230 
231 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
232 	CU_ASSERT(g_bserrno == 0);
233 	CU_ASSERT(g_blob != NULL);
234 	blob = g_blob;
235 
236 	blobid2 = spdk_blob_get_id(blob);
237 	CU_ASSERT(blobid == blobid2);
238 
239 	/* Try to open file again.  It should return success. */
240 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
241 	CU_ASSERT(g_bserrno == 0);
242 	CU_ASSERT(blob == g_blob);
243 
244 	spdk_blob_close(blob, blob_op_complete, NULL);
245 	CU_ASSERT(g_bserrno == 0);
246 
247 	/*
248 	 * Close the file a second time, releasing the second reference.  This
249 	 *  should succeed.
250 	 */
251 	blob = g_blob;
252 	spdk_blob_close(blob, blob_op_complete, NULL);
253 	CU_ASSERT(g_bserrno == 0);
254 
255 	/*
256 	 * Try to open file again.  It should succeed.  This tests the case
257 	 *  where the file is opened, closed, then re-opened again.
258 	 */
259 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
260 	CU_ASSERT(g_bserrno == 0);
261 	CU_ASSERT(g_blob != NULL);
262 	blob = g_blob;
263 
264 	spdk_blob_close(blob, blob_op_complete, NULL);
265 	CU_ASSERT(g_bserrno == 0);
266 
267 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
268 	CU_ASSERT(g_bserrno == 0);
269 	g_bs = NULL;
270 }
271 
272 static void
273 blob_create(void)
274 {
275 	struct spdk_blob_store *bs;
276 	struct spdk_bs_dev *dev;
277 	struct spdk_blob *blob;
278 	struct spdk_blob_opts opts;
279 	spdk_blob_id blobid;
280 
281 	dev = init_dev();
282 
283 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
284 	CU_ASSERT(g_bserrno == 0);
285 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
286 	bs = g_bs;
287 
288 	/* Create blob with 10 clusters */
289 
290 	spdk_blob_opts_init(&opts);
291 	opts.num_clusters = 10;
292 
293 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
294 	CU_ASSERT(g_bserrno == 0);
295 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
296 	blobid = g_blobid;
297 
298 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
299 	CU_ASSERT(g_bserrno == 0);
300 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
301 	blob = g_blob;
302 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 10)
303 
304 	spdk_blob_close(blob, blob_op_complete, NULL);
305 	CU_ASSERT(g_bserrno == 0);
306 
307 	/* Create blob with 0 clusters */
308 
309 	spdk_blob_opts_init(&opts);
310 	opts.num_clusters = 0;
311 
312 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
313 	CU_ASSERT(g_bserrno == 0);
314 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
315 	blobid = g_blobid;
316 
317 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
318 	CU_ASSERT(g_bserrno == 0);
319 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
320 	blob = g_blob;
321 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 0)
322 
323 	spdk_blob_close(blob, blob_op_complete, NULL);
324 	CU_ASSERT(g_bserrno == 0);
325 
326 	/* Create blob with default options (opts == NULL) */
327 
328 	spdk_bs_create_blob_ext(bs, NULL, blob_op_with_id_complete, NULL);
329 	CU_ASSERT(g_bserrno == 0);
330 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
331 	blobid = g_blobid;
332 
333 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
334 	CU_ASSERT(g_bserrno == 0);
335 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
336 	blob = g_blob;
337 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 0)
338 
339 	spdk_blob_close(blob, blob_op_complete, NULL);
340 	CU_ASSERT(g_bserrno == 0);
341 
342 	/* Try to create blob with size larger than blobstore */
343 
344 	spdk_blob_opts_init(&opts);
345 	opts.num_clusters = bs->total_clusters + 1;
346 
347 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
348 	CU_ASSERT(g_bserrno == -ENOSPC);
349 
350 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
351 	CU_ASSERT(g_bserrno == 0);
352 	g_bs = NULL;
353 
354 }
355 
356 static void
357 blob_thin_provision(void)
358 {
359 	struct spdk_blob_store *bs;
360 	struct spdk_bs_dev *dev;
361 	struct spdk_blob *blob;
362 	struct spdk_blob_opts opts;
363 	struct spdk_bs_opts bs_opts;
364 	spdk_blob_id blobid;
365 
366 	dev = init_dev();
367 	spdk_bs_opts_init(&bs_opts);
368 	strncpy(bs_opts.bstype.bstype, "TESTTYPE", SPDK_BLOBSTORE_TYPE_LENGTH);
369 
370 	/* Initialize a new blob store */
371 	spdk_bs_init(dev, &bs_opts, bs_op_with_handle_complete, NULL);
372 	CU_ASSERT(g_bserrno == 0);
373 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
374 
375 	bs = g_bs;
376 
377 	/* Create blob with thin provisioning enabled */
378 
379 	spdk_blob_opts_init(&opts);
380 	opts.thin_provision = true;
381 	opts.num_clusters = 10;
382 
383 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
384 	CU_ASSERT(g_bserrno == 0);
385 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
386 	blobid = g_blobid;
387 
388 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
389 	CU_ASSERT(g_bserrno == 0);
390 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
391 	blob = g_blob;
392 	CU_ASSERT(__blob_to_data(blob)->invalid_flags & SPDK_BLOB_THIN_PROV);
393 
394 	spdk_blob_close(blob, blob_op_complete, NULL);
395 	CU_ASSERT(g_bserrno == 0);
396 
397 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
398 	CU_ASSERT(g_bserrno == 0);
399 	g_bs = NULL;
400 
401 	/* Load an existing blob store and check if invalid_flags is set */
402 	dev = init_dev();
403 	strncpy(bs_opts.bstype.bstype, "TESTTYPE", SPDK_BLOBSTORE_TYPE_LENGTH);
404 	spdk_bs_load(dev, &bs_opts, bs_op_with_handle_complete, NULL);
405 	CU_ASSERT(g_bserrno == 0);
406 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
407 
408 	bs = g_bs;
409 
410 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
411 	CU_ASSERT(g_bserrno == 0);
412 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
413 	blob = g_blob;
414 	CU_ASSERT(__blob_to_data(blob)->invalid_flags & SPDK_BLOB_THIN_PROV);
415 
416 	spdk_blob_close(blob, blob_op_complete, NULL);
417 	CU_ASSERT(g_bserrno == 0);
418 
419 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
420 	CU_ASSERT(g_bserrno == 0);
421 	g_bs = NULL;
422 }
423 
424 static void
425 blob_delete(void)
426 {
427 	struct spdk_blob_store *bs;
428 	struct spdk_bs_dev *dev;
429 	spdk_blob_id blobid;
430 
431 	dev = init_dev();
432 
433 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
434 	CU_ASSERT(g_bserrno == 0);
435 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
436 	bs = g_bs;
437 
438 	/* Create a blob and then delete it. */
439 	spdk_bs_create_blob(bs, blob_op_with_id_complete, NULL);
440 	CU_ASSERT(g_bserrno == 0);
441 	CU_ASSERT(g_blobid > 0);
442 	blobid = g_blobid;
443 
444 	spdk_bs_delete_blob(bs, blobid, blob_op_complete, NULL);
445 	CU_ASSERT(g_bserrno == 0);
446 
447 	/* Try to open the blob */
448 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
449 	CU_ASSERT(g_bserrno == -ENOENT);
450 
451 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
452 	CU_ASSERT(g_bserrno == 0);
453 	g_bs = NULL;
454 }
455 
456 static void
457 blob_resize(void)
458 {
459 	struct spdk_blob_store *bs;
460 	struct spdk_bs_dev *dev;
461 	struct spdk_blob *blob;
462 	spdk_blob_id blobid;
463 	uint64_t free_clusters;
464 	int rc;
465 
466 	dev = init_dev();
467 
468 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
469 	CU_ASSERT(g_bserrno == 0);
470 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
471 	bs = g_bs;
472 	free_clusters = spdk_bs_free_cluster_count(bs);
473 
474 	spdk_bs_create_blob(bs, blob_op_with_id_complete, NULL);
475 	CU_ASSERT(g_bserrno == 0);
476 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
477 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
478 	blobid = g_blobid;
479 
480 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
481 	CU_ASSERT(g_bserrno == 0);
482 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
483 	blob = g_blob;
484 
485 	/* Confirm that resize fails if blob is marked read-only. */
486 	__blob_to_data(blob)->md_ro = true;
487 	rc = spdk_blob_resize(blob, 5);
488 	CU_ASSERT(rc == -EPERM);
489 	__blob_to_data(blob)->md_ro = false;
490 
491 	/* The blob started at 0 clusters. Resize it to be 5. */
492 	rc = spdk_blob_resize(blob, 5);
493 	CU_ASSERT(rc == 0);
494 	CU_ASSERT((free_clusters - 5) == spdk_bs_free_cluster_count(bs));
495 
496 	/* Shrink the blob to 3 clusters. This will not actually release
497 	 * the old clusters until the blob is synced.
498 	 */
499 	rc = spdk_blob_resize(blob, 3);
500 	CU_ASSERT(rc == 0);
501 	/* Verify there are still 5 clusters in use */
502 	CU_ASSERT((free_clusters - 5) == spdk_bs_free_cluster_count(bs));
503 
504 	spdk_blob_sync_md(blob, blob_op_complete, NULL);
505 	CU_ASSERT(g_bserrno == 0);
506 	/* Now there are only 3 clusters in use */
507 	CU_ASSERT((free_clusters - 3) == spdk_bs_free_cluster_count(bs));
508 
509 	/* Resize the blob to be 10 clusters. Growth takes effect immediately. */
510 	rc = spdk_blob_resize(blob, 10);
511 	CU_ASSERT(rc == 0);
512 	CU_ASSERT((free_clusters - 10) == spdk_bs_free_cluster_count(bs));
513 
514 	/* Try to resize the blob to size larger than blobstore. */
515 	rc = spdk_blob_resize(blob, bs->total_clusters + 1);
516 	CU_ASSERT(rc == -ENOSPC);
517 
518 	spdk_blob_close(blob, blob_op_complete, NULL);
519 	CU_ASSERT(g_bserrno == 0);
520 
521 	spdk_bs_delete_blob(bs, blobid, blob_op_complete, NULL);
522 	CU_ASSERT(g_bserrno == 0);
523 
524 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
525 	CU_ASSERT(g_bserrno == 0);
526 	g_bs = NULL;
527 }
528 
529 static void
530 blob_read_only(void)
531 {
532 	struct spdk_blob_store *bs;
533 	struct spdk_bs_dev *dev;
534 	struct spdk_blob *blob;
535 	struct spdk_blob_data *blob_data;
536 	struct spdk_bs_opts opts;
537 	spdk_blob_id blobid;
538 
539 	dev = init_dev();
540 	spdk_bs_opts_init(&opts);
541 	strncpy(opts.bstype.bstype, "TESTTYPE", SPDK_BLOBSTORE_TYPE_LENGTH);
542 
543 	spdk_bs_init(dev, &opts, bs_op_with_handle_complete, NULL);
544 	CU_ASSERT(g_bserrno == 0);
545 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
546 	bs = g_bs;
547 
548 	spdk_bs_create_blob(bs, blob_op_with_id_complete, NULL);
549 	CU_ASSERT(g_bserrno == 0);
550 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
551 	blobid = g_blobid;
552 
553 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
554 	CU_ASSERT(g_bserrno == 0);
555 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
556 	blob = g_blob;
557 
558 	spdk_blob_set_read_only(blob);
559 
560 	blob_data = __blob_to_data(blob);
561 	CU_ASSERT(blob_data->data_ro == false);
562 	CU_ASSERT(blob_data->md_ro == false);
563 
564 	spdk_blob_sync_md(blob, bs_op_complete, NULL);
565 
566 	CU_ASSERT(blob_data->data_ro == true);
567 	CU_ASSERT(blob_data->md_ro == true);
568 	CU_ASSERT(blob_data->data_ro_flags & SPDK_BLOB_READ_ONLY);
569 
570 	spdk_blob_close(blob, blob_op_complete, NULL);
571 	CU_ASSERT(g_bserrno == 0);
572 
573 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
574 	CU_ASSERT(g_bserrno == 0);
575 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
576 	blob = g_blob;
577 
578 	blob_data = __blob_to_data(blob);
579 	CU_ASSERT(blob_data->data_ro == true);
580 	CU_ASSERT(blob_data->md_ro == true);
581 	CU_ASSERT(blob_data->data_ro_flags & SPDK_BLOB_READ_ONLY);
582 
583 	spdk_blob_close(blob, blob_op_complete, NULL);
584 	CU_ASSERT(g_bserrno == 0);
585 
586 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
587 	CU_ASSERT(g_bserrno == 0);
588 	g_bs = NULL;
589 	g_blob = NULL;
590 	g_blobid = 0;
591 
592 	/* Load an existing blob store */
593 	dev = init_dev();
594 	strncpy(opts.bstype.bstype, "TESTTYPE", SPDK_BLOBSTORE_TYPE_LENGTH);
595 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
596 	CU_ASSERT(g_bserrno == 0);
597 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
598 
599 	spdk_bs_open_blob(g_bs, blobid, blob_op_with_handle_complete, NULL);
600 	CU_ASSERT(g_bserrno == 0);
601 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
602 	blob = g_blob;
603 
604 	blob_data = __blob_to_data(blob);
605 	CU_ASSERT(blob_data->data_ro == true);
606 	CU_ASSERT(blob_data->md_ro == true);
607 	CU_ASSERT(blob_data->data_ro_flags & SPDK_BLOB_READ_ONLY);
608 
609 	spdk_blob_close(blob, blob_op_complete, NULL);
610 	CU_ASSERT(g_bserrno == 0);
611 
612 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
613 	CU_ASSERT(g_bserrno == 0);
614 
615 }
616 
617 static void
618 channel_ops(void)
619 {
620 	struct spdk_blob_store *bs;
621 	struct spdk_bs_dev *dev;
622 	struct spdk_io_channel *channel;
623 
624 	dev = init_dev();
625 
626 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
627 	CU_ASSERT(g_bserrno == 0);
628 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
629 	bs = g_bs;
630 
631 	channel = spdk_bs_alloc_io_channel(bs);
632 	CU_ASSERT(channel != NULL);
633 
634 	spdk_bs_free_io_channel(channel);
635 
636 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
637 	CU_ASSERT(g_bserrno == 0);
638 	g_bs = NULL;
639 }
640 
641 static void
642 blob_write(void)
643 {
644 	struct spdk_blob_store *bs;
645 	struct spdk_bs_dev *dev;
646 	struct spdk_blob *blob;
647 	struct spdk_io_channel *channel;
648 	spdk_blob_id blobid;
649 	uint64_t pages_per_cluster;
650 	uint8_t payload[10 * 4096];
651 	int rc;
652 
653 	dev = init_dev();
654 
655 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
656 	CU_ASSERT(g_bserrno == 0);
657 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
658 	bs = g_bs;
659 
660 	pages_per_cluster = spdk_bs_get_cluster_size(bs) / spdk_bs_get_page_size(bs);
661 
662 	channel = spdk_bs_alloc_io_channel(bs);
663 	CU_ASSERT(channel != NULL);
664 
665 	spdk_bs_create_blob(bs, blob_op_with_id_complete, NULL);
666 	CU_ASSERT(g_bserrno == 0);
667 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
668 	blobid = g_blobid;
669 
670 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
671 	CU_ASSERT(g_bserrno == 0);
672 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
673 	blob = g_blob;
674 
675 	/* Write to a blob with 0 size */
676 	spdk_bs_io_write_blob(blob, channel, payload, 0, 1, blob_op_complete, NULL);
677 	CU_ASSERT(g_bserrno == -EINVAL);
678 
679 	/* Resize the blob */
680 	rc = spdk_blob_resize(blob, 5);
681 	CU_ASSERT(rc == 0);
682 
683 	/* Confirm that write fails if blob is marked read-only. */
684 	__blob_to_data(blob)->data_ro = true;
685 	spdk_bs_io_write_blob(blob, channel, payload, 0, 1, blob_op_complete, NULL);
686 	CU_ASSERT(g_bserrno == -EPERM);
687 	__blob_to_data(blob)->data_ro = false;
688 
689 	/* Write to the blob */
690 	spdk_bs_io_write_blob(blob, channel, payload, 0, 1, blob_op_complete, NULL);
691 	CU_ASSERT(g_bserrno == 0);
692 
693 	/* Write starting beyond the end */
694 	spdk_bs_io_write_blob(blob, channel, payload, 5 * pages_per_cluster, 1, blob_op_complete,
695 			      NULL);
696 	CU_ASSERT(g_bserrno == -EINVAL);
697 
698 	/* Write starting at a valid location but going off the end */
699 	spdk_bs_io_write_blob(blob, channel, payload, 4 * pages_per_cluster, pages_per_cluster + 1,
700 			      blob_op_complete, NULL);
701 	CU_ASSERT(g_bserrno == -EINVAL);
702 
703 	spdk_blob_close(blob, blob_op_complete, NULL);
704 	CU_ASSERT(g_bserrno == 0);
705 
706 	spdk_bs_free_io_channel(channel);
707 
708 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
709 	CU_ASSERT(g_bserrno == 0);
710 	g_bs = NULL;
711 }
712 
713 static void
714 blob_read(void)
715 {
716 	struct spdk_blob_store *bs;
717 	struct spdk_bs_dev *dev;
718 	struct spdk_blob *blob;
719 	struct spdk_io_channel *channel;
720 	spdk_blob_id blobid;
721 	uint64_t pages_per_cluster;
722 	uint8_t payload[10 * 4096];
723 	int rc;
724 
725 	dev = init_dev();
726 
727 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
728 	CU_ASSERT(g_bserrno == 0);
729 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
730 	bs = g_bs;
731 
732 	pages_per_cluster = spdk_bs_get_cluster_size(bs) / spdk_bs_get_page_size(bs);
733 
734 	channel = spdk_bs_alloc_io_channel(bs);
735 	CU_ASSERT(channel != NULL);
736 
737 	spdk_bs_create_blob(bs, blob_op_with_id_complete, NULL);
738 	CU_ASSERT(g_bserrno == 0);
739 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
740 	blobid = g_blobid;
741 
742 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
743 	CU_ASSERT(g_bserrno == 0);
744 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
745 	blob = g_blob;
746 
747 	/* Read from a blob with 0 size */
748 	spdk_bs_io_read_blob(blob, channel, payload, 0, 1, blob_op_complete, NULL);
749 	CU_ASSERT(g_bserrno == -EINVAL);
750 
751 	/* Resize the blob */
752 	rc = spdk_blob_resize(blob, 5);
753 	CU_ASSERT(rc == 0);
754 
755 	/* Confirm that read passes if blob is marked read-only. */
756 	__blob_to_data(blob)->data_ro = true;
757 	spdk_bs_io_read_blob(blob, channel, payload, 0, 1, blob_op_complete, NULL);
758 	CU_ASSERT(g_bserrno == 0);
759 	__blob_to_data(blob)->data_ro = false;
760 
761 	/* Read from the blob */
762 	spdk_bs_io_read_blob(blob, channel, payload, 0, 1, blob_op_complete, NULL);
763 	CU_ASSERT(g_bserrno == 0);
764 
765 	/* Read starting beyond the end */
766 	spdk_bs_io_read_blob(blob, channel, payload, 5 * pages_per_cluster, 1, blob_op_complete,
767 			     NULL);
768 	CU_ASSERT(g_bserrno == -EINVAL);
769 
770 	/* Read starting at a valid location but going off the end */
771 	spdk_bs_io_read_blob(blob, channel, payload, 4 * pages_per_cluster, pages_per_cluster + 1,
772 			     blob_op_complete, NULL);
773 	CU_ASSERT(g_bserrno == -EINVAL);
774 
775 	spdk_blob_close(blob, blob_op_complete, NULL);
776 	CU_ASSERT(g_bserrno == 0);
777 
778 	spdk_bs_free_io_channel(channel);
779 
780 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
781 	CU_ASSERT(g_bserrno == 0);
782 	g_bs = NULL;
783 }
784 
785 static void
786 blob_rw_verify(void)
787 {
788 	struct spdk_blob_store *bs;
789 	struct spdk_bs_dev *dev;
790 	struct spdk_blob *blob;
791 	struct spdk_io_channel *channel;
792 	spdk_blob_id blobid;
793 	uint8_t payload_read[10 * 4096];
794 	uint8_t payload_write[10 * 4096];
795 	int rc;
796 
797 	dev = init_dev();
798 
799 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
800 	CU_ASSERT(g_bserrno == 0);
801 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
802 	bs = g_bs;
803 
804 	channel = spdk_bs_alloc_io_channel(bs);
805 	CU_ASSERT(channel != NULL);
806 
807 	spdk_bs_create_blob(bs, blob_op_with_id_complete, NULL);
808 	CU_ASSERT(g_bserrno == 0);
809 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
810 	blobid = g_blobid;
811 
812 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
813 	CU_ASSERT(g_bserrno == 0);
814 	CU_ASSERT(g_blob != NULL);
815 	blob = g_blob;
816 
817 	rc = spdk_blob_resize(blob, 32);
818 	CU_ASSERT(rc == 0);
819 
820 	memset(payload_write, 0xE5, sizeof(payload_write));
821 	spdk_bs_io_write_blob(blob, channel, payload_write, 4, 10, blob_op_complete, NULL);
822 	CU_ASSERT(g_bserrno == 0);
823 
824 	memset(payload_read, 0x00, sizeof(payload_read));
825 	spdk_bs_io_read_blob(blob, channel, payload_read, 4, 10, blob_op_complete, NULL);
826 	CU_ASSERT(g_bserrno == 0);
827 	CU_ASSERT(memcmp(payload_write, payload_read, 4 * 4096) == 0);
828 
829 	spdk_blob_close(blob, blob_op_complete, NULL);
830 	CU_ASSERT(g_bserrno == 0);
831 
832 	spdk_bs_free_io_channel(channel);
833 
834 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
835 	CU_ASSERT(g_bserrno == 0);
836 	g_bs = NULL;
837 }
838 
839 static void
840 blob_rw_verify_iov(void)
841 {
842 	struct spdk_blob_store *bs;
843 	struct spdk_bs_dev *dev;
844 	struct spdk_blob *blob;
845 	struct spdk_io_channel *channel;
846 	spdk_blob_id blobid;
847 	uint8_t payload_read[10 * 4096];
848 	uint8_t payload_write[10 * 4096];
849 	struct iovec iov_read[3];
850 	struct iovec iov_write[3];
851 	void *buf;
852 	int rc;
853 
854 	dev = init_dev();
855 	memset(g_dev_buffer, 0, DEV_BUFFER_SIZE);
856 
857 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
858 	CU_ASSERT(g_bserrno == 0);
859 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
860 	bs = g_bs;
861 
862 	channel = spdk_bs_alloc_io_channel(bs);
863 	CU_ASSERT(channel != NULL);
864 
865 	spdk_bs_create_blob(bs, blob_op_with_id_complete, NULL);
866 	CU_ASSERT(g_bserrno == 0);
867 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
868 	blobid = g_blobid;
869 
870 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
871 	CU_ASSERT(g_bserrno == 0);
872 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
873 	blob = g_blob;
874 
875 	rc = spdk_blob_resize(blob, 2);
876 	CU_ASSERT(rc == 0);
877 
878 	/*
879 	 * Manually adjust the offset of the blob's second cluster.  This allows
880 	 *  us to make sure that the readv/write code correctly accounts for I/O
881 	 *  that cross cluster boundaries.  Start by asserting that the allocated
882 	 *  clusters are where we expect before modifying the second cluster.
883 	 */
884 	CU_ASSERT(__blob_to_data(blob)->active.clusters[0] == 1 * 256);
885 	CU_ASSERT(__blob_to_data(blob)->active.clusters[1] == 2 * 256);
886 	__blob_to_data(blob)->active.clusters[1] = 3 * 256;
887 
888 	memset(payload_write, 0xE5, sizeof(payload_write));
889 	iov_write[0].iov_base = payload_write;
890 	iov_write[0].iov_len = 1 * 4096;
891 	iov_write[1].iov_base = payload_write + 1 * 4096;
892 	iov_write[1].iov_len = 5 * 4096;
893 	iov_write[2].iov_base = payload_write + 6 * 4096;
894 	iov_write[2].iov_len = 4 * 4096;
895 	/*
896 	 * Choose a page offset just before the cluster boundary.  The first 6 pages of payload
897 	 *  will get written to the first cluster, the last 4 to the second cluster.
898 	 */
899 	spdk_bs_io_writev_blob(blob, channel, iov_write, 3, 250, 10, blob_op_complete, NULL);
900 	CU_ASSERT(g_bserrno == 0);
901 
902 	memset(payload_read, 0xAA, sizeof(payload_read));
903 	iov_read[0].iov_base = payload_read;
904 	iov_read[0].iov_len = 3 * 4096;
905 	iov_read[1].iov_base = payload_read + 3 * 4096;
906 	iov_read[1].iov_len = 4 * 4096;
907 	iov_read[2].iov_base = payload_read + 7 * 4096;
908 	iov_read[2].iov_len = 3 * 4096;
909 	spdk_bs_io_readv_blob(blob, channel, iov_read, 3, 250, 10, blob_op_complete, NULL);
910 	CU_ASSERT(g_bserrno == 0);
911 	CU_ASSERT(memcmp(payload_write, payload_read, 10 * 4096) == 0);
912 
913 	buf = calloc(1, 256 * 4096);
914 	SPDK_CU_ASSERT_FATAL(buf != NULL);
915 	/* Check that cluster 2 on "disk" was not modified. */
916 	CU_ASSERT(memcmp(buf, &g_dev_buffer[512 * 4096], 256 * 4096) == 0);
917 	free(buf);
918 
919 	spdk_blob_close(blob, blob_op_complete, NULL);
920 	CU_ASSERT(g_bserrno == 0);
921 
922 	spdk_bs_free_io_channel(channel);
923 
924 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
925 	CU_ASSERT(g_bserrno == 0);
926 	g_bs = NULL;
927 }
928 
929 static uint32_t
930 bs_channel_get_req_count(struct spdk_io_channel *_channel)
931 {
932 	struct spdk_bs_channel *channel = spdk_io_channel_get_ctx(_channel);
933 	struct spdk_bs_request_set *set;
934 	uint32_t count = 0;
935 
936 	TAILQ_FOREACH(set, &channel->reqs, link) {
937 		count++;
938 	}
939 
940 	return count;
941 }
942 
943 static void
944 blob_rw_verify_iov_nomem(void)
945 {
946 	struct spdk_blob_store *bs;
947 	struct spdk_bs_dev *dev;
948 	struct spdk_blob *blob;
949 	struct spdk_io_channel *channel;
950 	spdk_blob_id blobid;
951 	uint8_t payload_write[10 * 4096];
952 	struct iovec iov_write[3];
953 	uint32_t req_count;
954 	int rc;
955 
956 	dev = init_dev();
957 	memset(g_dev_buffer, 0, DEV_BUFFER_SIZE);
958 
959 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
960 	CU_ASSERT(g_bserrno == 0);
961 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
962 	bs = g_bs;
963 
964 	channel = spdk_bs_alloc_io_channel(bs);
965 	CU_ASSERT(channel != NULL);
966 
967 	spdk_bs_create_blob(bs, blob_op_with_id_complete, NULL);
968 	CU_ASSERT(g_bserrno == 0);
969 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
970 	blobid = g_blobid;
971 
972 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
973 	CU_ASSERT(g_bserrno == 0);
974 	CU_ASSERT(g_blob != NULL);
975 	blob = g_blob;
976 
977 	rc = spdk_blob_resize(blob, 2);
978 	CU_ASSERT(rc == 0);
979 
980 	/*
981 	 * Choose a page offset just before the cluster boundary.  The first 6 pages of payload
982 	 *  will get written to the first cluster, the last 4 to the second cluster.
983 	 */
984 	iov_write[0].iov_base = payload_write;
985 	iov_write[0].iov_len = 1 * 4096;
986 	iov_write[1].iov_base = payload_write + 1 * 4096;
987 	iov_write[1].iov_len = 5 * 4096;
988 	iov_write[2].iov_base = payload_write + 6 * 4096;
989 	iov_write[2].iov_len = 4 * 4096;
990 	MOCK_SET(calloc, void *, NULL);
991 	req_count = bs_channel_get_req_count(channel);
992 	spdk_bs_io_writev_blob(blob, channel, iov_write, 3, 250, 10, blob_op_complete, NULL);
993 	CU_ASSERT(g_bserrno = -ENOMEM);
994 	CU_ASSERT(req_count == bs_channel_get_req_count(channel));
995 	MOCK_SET(calloc, void *, (void *)MOCK_PASS_THRU);
996 
997 	spdk_blob_close(blob, blob_op_complete, NULL);
998 	CU_ASSERT(g_bserrno == 0);
999 
1000 	spdk_bs_free_io_channel(channel);
1001 
1002 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
1003 	CU_ASSERT(g_bserrno == 0);
1004 	g_bs = NULL;
1005 }
1006 
1007 static void
1008 blob_rw_iov_read_only(void)
1009 {
1010 	struct spdk_blob_store *bs;
1011 	struct spdk_bs_dev *dev;
1012 	struct spdk_blob *blob;
1013 	struct spdk_io_channel *channel;
1014 	spdk_blob_id blobid;
1015 	uint8_t payload_read[4096];
1016 	uint8_t payload_write[4096];
1017 	struct iovec iov_read;
1018 	struct iovec iov_write;
1019 	int rc;
1020 
1021 	dev = init_dev();
1022 	memset(g_dev_buffer, 0, DEV_BUFFER_SIZE);
1023 
1024 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
1025 	CU_ASSERT(g_bserrno == 0);
1026 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
1027 	bs = g_bs;
1028 
1029 	channel = spdk_bs_alloc_io_channel(bs);
1030 	CU_ASSERT(channel != NULL);
1031 
1032 	spdk_bs_create_blob(bs, blob_op_with_id_complete, NULL);
1033 	CU_ASSERT(g_bserrno == 0);
1034 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
1035 	blobid = g_blobid;
1036 
1037 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
1038 	CU_ASSERT(g_bserrno == 0);
1039 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
1040 	blob = g_blob;
1041 
1042 	rc = spdk_blob_resize(blob, 2);
1043 	CU_ASSERT(rc == 0);
1044 
1045 	/* Verify that writev failed if read_only flag is set. */
1046 	__blob_to_data(blob)->data_ro = true;
1047 	iov_write.iov_base = payload_write;
1048 	iov_write.iov_len = sizeof(payload_write);
1049 	spdk_bs_io_writev_blob(blob, channel, &iov_write, 1, 0, 1, blob_op_complete, NULL);
1050 	CU_ASSERT(g_bserrno == -EPERM);
1051 
1052 	/* Verify that reads pass if data_ro flag is set. */
1053 	iov_read.iov_base = payload_read;
1054 	iov_read.iov_len = sizeof(payload_read);
1055 	spdk_bs_io_readv_blob(blob, channel, &iov_read, 1, 0, 1, blob_op_complete, NULL);
1056 	CU_ASSERT(g_bserrno == 0);
1057 
1058 	spdk_blob_close(blob, blob_op_complete, NULL);
1059 	CU_ASSERT(g_bserrno == 0);
1060 
1061 	spdk_bs_free_io_channel(channel);
1062 
1063 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
1064 	CU_ASSERT(g_bserrno == 0);
1065 	g_bs = NULL;
1066 }
1067 
1068 static void
1069 blob_unmap(void)
1070 {
1071 	struct spdk_blob_store *bs;
1072 	struct spdk_bs_dev *dev;
1073 	struct spdk_blob *blob;
1074 	struct spdk_blob_data *_blob;
1075 	struct spdk_io_channel *channel;
1076 	spdk_blob_id blobid;
1077 	struct spdk_blob_opts opts;
1078 	uint8_t payload[4096];
1079 	int rc;
1080 	int i;
1081 
1082 	dev = init_dev();
1083 
1084 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
1085 	CU_ASSERT(g_bserrno == 0);
1086 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
1087 	bs = g_bs;
1088 
1089 	channel = spdk_bs_alloc_io_channel(bs);
1090 	CU_ASSERT(channel != NULL);
1091 
1092 	spdk_blob_opts_init(&opts);
1093 	opts.num_clusters = 10;
1094 
1095 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
1096 	CU_ASSERT(g_bserrno == 0);
1097 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
1098 	blobid = g_blobid;
1099 
1100 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
1101 	CU_ASSERT(g_bserrno == 0);
1102 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
1103 	blob = g_blob;
1104 	_blob = __blob_to_data(blob);
1105 
1106 	rc = spdk_blob_resize(blob, 10);
1107 	CU_ASSERT(rc == 0);
1108 
1109 	memset(payload, 0, sizeof(payload));
1110 	payload[0] = 0xFF;
1111 
1112 	/*
1113 	 * Set first byte of every cluster to 0xFF.
1114 	 * First cluster on device is reserved so let's start from cluster number 1
1115 	 */
1116 	for (i = 1; i < 11; i++) {
1117 		g_dev_buffer[i * SPDK_BLOB_OPTS_CLUSTER_SZ] = 0xFF;
1118 	}
1119 
1120 	/* Confirm writes */
1121 	for (i = 0; i < 10; i++) {
1122 		payload[0] = 0;
1123 		spdk_bs_io_read_blob(blob, channel, &payload, i * SPDK_BLOB_OPTS_CLUSTER_SZ / 4096, 1,
1124 				     blob_op_complete, NULL);
1125 		CU_ASSERT(g_bserrno == 0);
1126 		CU_ASSERT(payload[0] == 0xFF);
1127 	}
1128 
1129 	/* Mark some clusters as unallocated */
1130 	_blob->active.clusters[1] = 0;
1131 	_blob->active.clusters[2] = 0;
1132 	_blob->active.clusters[3] = 0;
1133 	_blob->active.clusters[6] = 0;
1134 	_blob->active.clusters[8] = 0;
1135 
1136 	/* Unmap clusters by resizing to 0 */
1137 	rc = spdk_blob_resize(blob, 0);
1138 	CU_ASSERT(rc == 0);
1139 
1140 	spdk_blob_sync_md(blob, blob_op_complete, NULL);
1141 	CU_ASSERT(g_bserrno == 0);
1142 
1143 	/* Confirm that only 'allocated' clusters were unmaped */
1144 	for (i = 1; i < 11; i++) {
1145 		switch (i) {
1146 		case 2:
1147 		case 3:
1148 		case 4:
1149 		case 7:
1150 		case 9:
1151 			CU_ASSERT(g_dev_buffer[i * SPDK_BLOB_OPTS_CLUSTER_SZ] == 0xFF);
1152 			break;
1153 		default:
1154 			CU_ASSERT(g_dev_buffer[i * SPDK_BLOB_OPTS_CLUSTER_SZ] == 0);
1155 			break;
1156 		}
1157 	}
1158 
1159 	spdk_blob_close(blob, blob_op_complete, NULL);
1160 	CU_ASSERT(g_bserrno == 0);
1161 
1162 	spdk_bs_free_io_channel(channel);
1163 
1164 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
1165 	CU_ASSERT(g_bserrno == 0);
1166 	g_bs = NULL;
1167 }
1168 
1169 
1170 static void
1171 blob_iter(void)
1172 {
1173 	struct spdk_blob_store *bs;
1174 	struct spdk_bs_dev *dev;
1175 	struct spdk_blob *blob;
1176 	spdk_blob_id blobid;
1177 
1178 	dev = init_dev();
1179 
1180 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
1181 	CU_ASSERT(g_bserrno == 0);
1182 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
1183 	bs = g_bs;
1184 
1185 	spdk_bs_iter_first(bs, blob_op_with_handle_complete, NULL);
1186 	CU_ASSERT(g_blob == NULL);
1187 	CU_ASSERT(g_bserrno == -ENOENT);
1188 
1189 	spdk_bs_create_blob(bs, blob_op_with_id_complete, NULL);
1190 	CU_ASSERT(g_bserrno == 0);
1191 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
1192 	blobid = g_blobid;
1193 
1194 	spdk_bs_iter_first(bs, blob_op_with_handle_complete, NULL);
1195 	CU_ASSERT(g_blob != NULL);
1196 	CU_ASSERT(g_bserrno == 0);
1197 	blob = g_blob;
1198 	CU_ASSERT(spdk_blob_get_id(blob) == blobid);
1199 
1200 	spdk_bs_iter_next(bs, blob, blob_op_with_handle_complete, NULL);
1201 	CU_ASSERT(g_blob == NULL);
1202 	CU_ASSERT(g_bserrno == -ENOENT);
1203 
1204 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
1205 	CU_ASSERT(g_bserrno == 0);
1206 	g_bs = NULL;
1207 }
1208 
1209 static void
1210 blob_xattr(void)
1211 {
1212 	struct spdk_blob_store *bs;
1213 	struct spdk_bs_dev *dev;
1214 	struct spdk_blob *blob;
1215 	spdk_blob_id blobid;
1216 	uint64_t length;
1217 	int rc;
1218 	const char *name1, *name2;
1219 	const void *value;
1220 	size_t value_len;
1221 	struct spdk_xattr_names *names;
1222 
1223 	dev = init_dev();
1224 
1225 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
1226 	CU_ASSERT(g_bserrno == 0);
1227 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
1228 	bs = g_bs;
1229 
1230 	spdk_bs_create_blob(bs, blob_op_with_id_complete, NULL);
1231 	CU_ASSERT(g_bserrno == 0);
1232 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
1233 	blobid = g_blobid;
1234 
1235 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
1236 	CU_ASSERT(g_bserrno == 0);
1237 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
1238 	blob = g_blob;
1239 
1240 	/* Test that set_xattr fails if md_ro flag is set. */
1241 	__blob_to_data(blob)->md_ro = true;
1242 	rc = spdk_blob_set_xattr(blob, "name", "log.txt", strlen("log.txt") + 1);
1243 	CU_ASSERT(rc == -EPERM);
1244 
1245 	__blob_to_data(blob)->md_ro = false;
1246 	rc = spdk_blob_set_xattr(blob, "name", "log.txt", strlen("log.txt") + 1);
1247 	CU_ASSERT(rc == 0);
1248 
1249 	length = 2345;
1250 	rc = spdk_blob_set_xattr(blob, "length", &length, sizeof(length));
1251 	CU_ASSERT(rc == 0);
1252 
1253 	/* Overwrite "length" xattr. */
1254 	length = 3456;
1255 	rc = spdk_blob_set_xattr(blob, "length", &length, sizeof(length));
1256 	CU_ASSERT(rc == 0);
1257 
1258 	/* get_xattr should still work even if md_ro flag is set. */
1259 	value = NULL;
1260 	__blob_to_data(blob)->md_ro = true;
1261 	rc = spdk_blob_get_xattr_value(blob, "length", &value, &value_len);
1262 	CU_ASSERT(rc == 0);
1263 	SPDK_CU_ASSERT_FATAL(value != NULL);
1264 	CU_ASSERT(*(uint64_t *)value == length);
1265 	CU_ASSERT(value_len == 8);
1266 	__blob_to_data(blob)->md_ro = false;
1267 
1268 	rc = spdk_blob_get_xattr_value(blob, "foobar", &value, &value_len);
1269 	CU_ASSERT(rc == -ENOENT);
1270 
1271 	names = NULL;
1272 	rc = spdk_blob_get_xattr_names(blob, &names);
1273 	CU_ASSERT(rc == 0);
1274 	SPDK_CU_ASSERT_FATAL(names != NULL);
1275 	CU_ASSERT(spdk_xattr_names_get_count(names) == 2);
1276 	name1 = spdk_xattr_names_get_name(names, 0);
1277 	SPDK_CU_ASSERT_FATAL(name1 != NULL);
1278 	CU_ASSERT(!strcmp(name1, "name") || !strcmp(name1, "length"));
1279 	name2 = spdk_xattr_names_get_name(names, 1);
1280 	SPDK_CU_ASSERT_FATAL(name2 != NULL);
1281 	CU_ASSERT(!strcmp(name2, "name") || !strcmp(name2, "length"));
1282 	CU_ASSERT(strcmp(name1, name2));
1283 	spdk_xattr_names_free(names);
1284 
1285 	/* Confirm that remove_xattr fails if md_ro is set to true. */
1286 	__blob_to_data(blob)->md_ro = true;
1287 	rc = spdk_blob_remove_xattr(blob, "name");
1288 	CU_ASSERT(rc == -EPERM);
1289 
1290 	__blob_to_data(blob)->md_ro = false;
1291 	rc = spdk_blob_remove_xattr(blob, "name");
1292 	CU_ASSERT(rc == 0);
1293 
1294 	rc = spdk_blob_remove_xattr(blob, "foobar");
1295 	CU_ASSERT(rc == -ENOENT);
1296 
1297 	spdk_blob_close(blob, blob_op_complete, NULL);
1298 
1299 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
1300 	CU_ASSERT(g_bserrno == 0);
1301 	g_bs = NULL;
1302 }
1303 
1304 static void
1305 bs_load(void)
1306 {
1307 	struct spdk_bs_dev *dev;
1308 	spdk_blob_id blobid;
1309 	struct spdk_blob *blob;
1310 	struct spdk_bs_super_block *super_block;
1311 	uint64_t length;
1312 	int rc;
1313 	const void *value;
1314 	size_t value_len;
1315 	struct spdk_bs_opts opts;
1316 
1317 	g_scheduler_delay = true;
1318 
1319 	dev = init_dev();
1320 	spdk_bs_opts_init(&opts);
1321 	strncpy(opts.bstype.bstype, "TESTTYPE", SPDK_BLOBSTORE_TYPE_LENGTH);
1322 
1323 	/* Initialize a new blob store */
1324 	spdk_bs_init(dev, &opts, bs_op_with_handle_complete, NULL);
1325 	CU_ASSERT(g_bserrno == 0);
1326 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
1327 
1328 	/* Try to open a blobid that does not exist */
1329 	spdk_bs_open_blob(g_bs, 0, blob_op_with_handle_complete, NULL);
1330 	CU_ASSERT(g_bserrno == -ENOENT);
1331 	CU_ASSERT(g_blob == NULL);
1332 
1333 	/* Create a blob */
1334 	spdk_bs_create_blob(g_bs, blob_op_with_id_complete, NULL);
1335 	CU_ASSERT(g_bserrno == 0);
1336 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
1337 	blobid = g_blobid;
1338 
1339 	spdk_bs_open_blob(g_bs, blobid, blob_op_with_handle_complete, NULL);
1340 	CU_ASSERT(g_bserrno == 0);
1341 	CU_ASSERT(g_blob != NULL);
1342 	blob = g_blob;
1343 
1344 	/* Try again to open valid blob but without the upper bit set */
1345 	spdk_bs_open_blob(g_bs, blobid & 0xFFFFFFFF, blob_op_with_handle_complete, NULL);
1346 	CU_ASSERT(g_bserrno == -ENOENT);
1347 	CU_ASSERT(g_blob == NULL);
1348 
1349 	/* Set some xattrs */
1350 	rc = spdk_blob_set_xattr(blob, "name", "log.txt", strlen("log.txt") + 1);
1351 	CU_ASSERT(rc == 0);
1352 
1353 	length = 2345;
1354 	rc = spdk_blob_set_xattr(blob, "length", &length, sizeof(length));
1355 	CU_ASSERT(rc == 0);
1356 
1357 	/* Resize the blob */
1358 	rc = spdk_blob_resize(blob, 10);
1359 	CU_ASSERT(rc == 0);
1360 
1361 	spdk_blob_close(blob, blob_op_complete, NULL);
1362 	CU_ASSERT(g_bserrno == 0);
1363 	blob = NULL;
1364 	g_blob = NULL;
1365 	g_blobid = SPDK_BLOBID_INVALID;
1366 
1367 	/* Unload the blob store */
1368 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
1369 	CU_ASSERT(g_bserrno == 0);
1370 	g_bs = NULL;
1371 	g_blob = NULL;
1372 	g_blobid = 0;
1373 
1374 	super_block = (struct spdk_bs_super_block *)g_dev_buffer;
1375 	CU_ASSERT(super_block->clean == 1);
1376 
1377 
1378 	/* Load an existing blob store */
1379 	dev = init_dev();
1380 	strncpy(opts.bstype.bstype, "TESTTYPE", SPDK_BLOBSTORE_TYPE_LENGTH);
1381 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
1382 	CU_ASSERT(g_bserrno == 0);
1383 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
1384 
1385 	super_block = (struct spdk_bs_super_block *)g_dev_buffer;
1386 	CU_ASSERT(super_block->clean == 0);
1387 
1388 	spdk_bs_open_blob(g_bs, blobid, blob_op_with_handle_complete, NULL);
1389 	CU_ASSERT(g_bserrno == 0);
1390 	CU_ASSERT(g_blob != NULL);
1391 	blob = g_blob;
1392 
1393 	/* Get the xattrs */
1394 	value = NULL;
1395 	rc = spdk_blob_get_xattr_value(blob, "length", &value, &value_len);
1396 	CU_ASSERT(rc == 0);
1397 	SPDK_CU_ASSERT_FATAL(value != NULL);
1398 	CU_ASSERT(*(uint64_t *)value == length);
1399 	CU_ASSERT(value_len == 8);
1400 
1401 	rc = spdk_blob_get_xattr_value(blob, "foobar", &value, &value_len);
1402 	CU_ASSERT(rc == -ENOENT);
1403 
1404 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 10);
1405 
1406 	spdk_blob_close(blob, blob_op_complete, NULL);
1407 	CU_ASSERT(g_bserrno == 0);
1408 	blob = NULL;
1409 	g_blob = NULL;
1410 	g_blobid = SPDK_BLOBID_INVALID;
1411 
1412 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
1413 	CU_ASSERT(g_bserrno == 0);
1414 	g_bs = NULL;
1415 	g_scheduler_delay = false;
1416 }
1417 
1418 static void
1419 bs_type(void)
1420 {
1421 	struct spdk_bs_dev *dev;
1422 	struct spdk_bs_opts opts;
1423 
1424 	g_scheduler_delay = true;
1425 
1426 	dev = init_dev();
1427 	spdk_bs_opts_init(&opts);
1428 	strncpy(opts.bstype.bstype, "TESTTYPE", SPDK_BLOBSTORE_TYPE_LENGTH);
1429 
1430 	/* Initialize a new blob store */
1431 	spdk_bs_init(dev, &opts, bs_op_with_handle_complete, NULL);
1432 	CU_ASSERT(g_bserrno == 0);
1433 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
1434 
1435 	/* Unload the blob store */
1436 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
1437 	CU_ASSERT(g_bserrno == 0);
1438 	g_bs = NULL;
1439 	g_blob = NULL;
1440 	g_blobid = 0;
1441 
1442 	/* Load non existing blobstore type */
1443 	dev = init_dev();
1444 	strncpy(opts.bstype.bstype, "NONEXISTING", SPDK_BLOBSTORE_TYPE_LENGTH);
1445 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
1446 	CU_ASSERT(g_bserrno != 0);
1447 
1448 	/* Load with empty blobstore type */
1449 	dev = init_dev();
1450 	strncpy(opts.bstype.bstype, "", SPDK_BLOBSTORE_TYPE_LENGTH);
1451 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
1452 	CU_ASSERT(g_bserrno == 0);
1453 
1454 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
1455 	CU_ASSERT(g_bserrno == 0);
1456 	g_bs = NULL;
1457 
1458 	/* Initialize a new blob store with empty bstype */
1459 	dev = init_dev();
1460 	strncpy(opts.bstype.bstype, "", SPDK_BLOBSTORE_TYPE_LENGTH);
1461 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
1462 	CU_ASSERT(g_bserrno == 0);
1463 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
1464 
1465 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
1466 	CU_ASSERT(g_bserrno == 0);
1467 	g_bs = NULL;
1468 
1469 	/* Load non existing blobstore type */
1470 	dev = init_dev();
1471 	strncpy(opts.bstype.bstype, "NONEXISTING", SPDK_BLOBSTORE_TYPE_LENGTH);
1472 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
1473 	CU_ASSERT(g_bserrno != 0);
1474 
1475 	/* Load with empty blobstore type */
1476 	dev = init_dev();
1477 	strncpy(opts.bstype.bstype, "", SPDK_BLOBSTORE_TYPE_LENGTH);
1478 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
1479 	CU_ASSERT(g_bserrno == 0);
1480 
1481 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
1482 	CU_ASSERT(g_bserrno == 0);
1483 	g_bs = NULL;
1484 	g_scheduler_delay = false;
1485 }
1486 
1487 static void
1488 bs_super_block(void)
1489 {
1490 	struct spdk_bs_dev *dev;
1491 	struct spdk_bs_super_block *super_block;
1492 	struct spdk_bs_opts opts;
1493 	struct spdk_bs_super_block_ver1 super_block_v1;
1494 
1495 	g_scheduler_delay = true;
1496 
1497 	dev = init_dev();
1498 	spdk_bs_opts_init(&opts);
1499 	strncpy(opts.bstype.bstype, "TESTTYPE", SPDK_BLOBSTORE_TYPE_LENGTH);
1500 
1501 	/* Initialize a new blob store */
1502 	spdk_bs_init(dev, &opts, bs_op_with_handle_complete, NULL);
1503 	CU_ASSERT(g_bserrno == 0);
1504 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
1505 
1506 	/* Unload the blob store */
1507 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
1508 	CU_ASSERT(g_bserrno == 0);
1509 	g_bs = NULL;
1510 	g_blob = NULL;
1511 	g_blobid = 0;
1512 
1513 	/* Load an existing blob store with version newer than supported */
1514 	super_block = (struct spdk_bs_super_block *)g_dev_buffer;
1515 	super_block->version++;
1516 
1517 	dev = init_dev();
1518 	strncpy(opts.bstype.bstype, "", SPDK_BLOBSTORE_TYPE_LENGTH);
1519 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
1520 	CU_ASSERT(g_bserrno != 0);
1521 
1522 	/* Create a new blob store with super block version 1 */
1523 	dev = init_dev();
1524 	super_block_v1.version = 1;
1525 	strncpy(super_block_v1.signature, "SPDKBLOB", sizeof(super_block_v1.signature));
1526 	super_block_v1.length = 0x1000;
1527 	super_block_v1.clean = 1;
1528 	super_block_v1.super_blob = 0xFFFFFFFFFFFFFFFF;
1529 	super_block_v1.cluster_size = 0x100000;
1530 	super_block_v1.used_page_mask_start = 0x01;
1531 	super_block_v1.used_page_mask_len = 0x01;
1532 	super_block_v1.used_cluster_mask_start = 0x02;
1533 	super_block_v1.used_cluster_mask_len = 0x01;
1534 	super_block_v1.md_start = 0x03;
1535 	super_block_v1.md_len = 0x40;
1536 	memset(super_block_v1.reserved, 0, 4036);
1537 	super_block_v1.crc = _spdk_blob_md_page_calc_crc(&super_block_v1);
1538 	memcpy(g_dev_buffer, &super_block_v1, sizeof(struct spdk_bs_super_block_ver1));
1539 
1540 	strncpy(opts.bstype.bstype, "", SPDK_BLOBSTORE_TYPE_LENGTH);
1541 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
1542 	CU_ASSERT(g_bserrno == 0);
1543 
1544 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
1545 	CU_ASSERT(g_bserrno == 0);
1546 	g_bs = NULL;
1547 	g_scheduler_delay = false;
1548 }
1549 
1550 /*
1551  * Create a blobstore and then unload it.
1552  */
1553 static void
1554 bs_unload(void)
1555 {
1556 	struct spdk_bs_dev *dev;
1557 	struct spdk_blob_store *bs;
1558 	spdk_blob_id blobid;
1559 	struct spdk_blob *blob;
1560 
1561 	dev = init_dev();
1562 
1563 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
1564 	CU_ASSERT(g_bserrno == 0);
1565 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
1566 	bs = g_bs;
1567 
1568 	/* Create a blob and open it. */
1569 	g_bserrno = -1;
1570 	spdk_bs_create_blob(bs, blob_op_with_id_complete, NULL);
1571 	CU_ASSERT(g_bserrno == 0);
1572 	CU_ASSERT(g_blobid > 0);
1573 	blobid = g_blobid;
1574 
1575 	g_bserrno = -1;
1576 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
1577 	CU_ASSERT(g_bserrno == 0);
1578 	CU_ASSERT(g_blob != NULL);
1579 	blob = g_blob;
1580 
1581 	/* Try to unload blobstore, should fail with open blob */
1582 	g_bserrno = -1;
1583 	spdk_bs_unload(bs, bs_op_complete, NULL);
1584 	CU_ASSERT(g_bserrno == -EBUSY);
1585 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
1586 
1587 	/* Close the blob, then successfully unload blobstore */
1588 	g_bserrno = -1;
1589 	spdk_blob_close(blob, blob_op_complete, NULL);
1590 	CU_ASSERT(g_bserrno == 0);
1591 
1592 	g_bserrno = -1;
1593 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
1594 	CU_ASSERT(g_bserrno == 0);
1595 	g_bs = NULL;
1596 }
1597 
1598 /*
1599  * Create a blobstore with a cluster size different than the default, and ensure it is
1600  *  persisted.
1601  */
1602 static void
1603 bs_cluster_sz(void)
1604 {
1605 	struct spdk_bs_dev *dev;
1606 	struct spdk_bs_opts opts;
1607 	uint32_t cluster_sz;
1608 
1609 	/* Set cluster size to zero */
1610 	dev = init_dev();
1611 	spdk_bs_opts_init(&opts);
1612 	opts.cluster_sz = 0;
1613 
1614 	/* Initialize a new blob store */
1615 	spdk_bs_init(dev, &opts, bs_op_with_handle_complete, NULL);
1616 	CU_ASSERT(g_bserrno == -EINVAL);
1617 	SPDK_CU_ASSERT_FATAL(g_bs == NULL);
1618 
1619 	/*
1620 	 * Set cluster size to blobstore page size,
1621 	 * to work it is required to be at least twice the blobstore page size.
1622 	 */
1623 	dev = init_dev();
1624 	spdk_bs_opts_init(&opts);
1625 	opts.cluster_sz = SPDK_BS_PAGE_SIZE;
1626 
1627 	/* Initialize a new blob store */
1628 	spdk_bs_init(dev, &opts, bs_op_with_handle_complete, NULL);
1629 	CU_ASSERT(g_bserrno == -ENOMEM);
1630 	SPDK_CU_ASSERT_FATAL(g_bs == NULL);
1631 
1632 	/*
1633 	 * Set cluster size to lower than page size,
1634 	 * to work it is required to be at least twice the blobstore page size.
1635 	 */
1636 	dev = init_dev();
1637 	spdk_bs_opts_init(&opts);
1638 	opts.cluster_sz = SPDK_BS_PAGE_SIZE - 1;
1639 
1640 	/* Initialize a new blob store */
1641 	spdk_bs_init(dev, &opts, bs_op_with_handle_complete, NULL);
1642 	CU_ASSERT(g_bserrno == -ENOMEM);
1643 	SPDK_CU_ASSERT_FATAL(g_bs == NULL);
1644 
1645 	/* Set cluster size to twice the default */
1646 	dev = init_dev();
1647 	spdk_bs_opts_init(&opts);
1648 	opts.cluster_sz *= 2;
1649 	cluster_sz = opts.cluster_sz;
1650 
1651 	/* Initialize a new blob store */
1652 	spdk_bs_init(dev, &opts, bs_op_with_handle_complete, NULL);
1653 	CU_ASSERT(g_bserrno == 0);
1654 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
1655 
1656 	CU_ASSERT(spdk_bs_get_cluster_size(g_bs) == cluster_sz);
1657 
1658 	/* Unload the blob store */
1659 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
1660 	CU_ASSERT(g_bserrno == 0);
1661 	g_bs = NULL;
1662 	g_blob = NULL;
1663 	g_blobid = 0;
1664 
1665 	dev = init_dev();
1666 	/* Load an existing blob store */
1667 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
1668 	CU_ASSERT(g_bserrno == 0);
1669 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
1670 
1671 	CU_ASSERT(spdk_bs_get_cluster_size(g_bs) == cluster_sz);
1672 
1673 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
1674 	CU_ASSERT(g_bserrno == 0);
1675 	g_bs = NULL;
1676 }
1677 
1678 /*
1679  * Create a blobstore, reload it and ensure total usable cluster count
1680  *  stays the same.
1681  */
1682 static void
1683 bs_usable_clusters(void)
1684 {
1685 	struct spdk_bs_dev *dev;
1686 	struct spdk_bs_opts opts;
1687 	uint32_t clusters;
1688 	int i, rc;
1689 
1690 	/* Init blobstore */
1691 	dev = init_dev();
1692 	spdk_bs_opts_init(&opts);
1693 
1694 	spdk_bs_init(dev, &opts, bs_op_with_handle_complete, NULL);
1695 	CU_ASSERT(g_bserrno == 0);
1696 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
1697 
1698 	clusters = spdk_bs_total_data_cluster_count(g_bs);
1699 
1700 	/* Unload the blob store */
1701 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
1702 	CU_ASSERT(g_bserrno == 0);
1703 	g_bs = NULL;
1704 
1705 	dev = init_dev();
1706 	/* Load an existing blob store */
1707 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
1708 	CU_ASSERT(g_bserrno == 0);
1709 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
1710 
1711 	CU_ASSERT(spdk_bs_total_data_cluster_count(g_bs) == clusters);
1712 
1713 	/* Create and resize blobs to make sure that useable cluster count won't change */
1714 	for (i = 0; i < 4; i++) {
1715 		g_bserrno = -1;
1716 		g_blobid = SPDK_BLOBID_INVALID;
1717 		spdk_bs_create_blob(g_bs, blob_op_with_id_complete, NULL);
1718 		CU_ASSERT(g_bserrno == 0);
1719 		CU_ASSERT(g_blobid !=  SPDK_BLOBID_INVALID);
1720 
1721 		g_bserrno = -1;
1722 		g_blob = NULL;
1723 		spdk_bs_open_blob(g_bs, g_blobid, blob_op_with_handle_complete, NULL);
1724 		CU_ASSERT(g_bserrno == 0);
1725 		CU_ASSERT(g_blob !=  NULL);
1726 
1727 		rc = spdk_blob_resize(g_blob, 10);
1728 		CU_ASSERT(rc == 0);
1729 
1730 		g_bserrno = -1;
1731 		spdk_blob_close(g_blob, blob_op_complete, NULL);
1732 		CU_ASSERT(g_bserrno == 0);
1733 
1734 		CU_ASSERT(spdk_bs_total_data_cluster_count(g_bs) == clusters);
1735 	}
1736 
1737 	/* Reload the blob store to make sure that nothing changed */
1738 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
1739 	CU_ASSERT(g_bserrno == 0);
1740 	g_bs = NULL;
1741 
1742 	dev = init_dev();
1743 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
1744 	CU_ASSERT(g_bserrno == 0);
1745 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
1746 
1747 	CU_ASSERT(spdk_bs_total_data_cluster_count(g_bs) == clusters);
1748 
1749 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
1750 	CU_ASSERT(g_bserrno == 0);
1751 	g_bs = NULL;
1752 }
1753 
1754 /*
1755  * Test resizing of the metadata blob.  This requires creating enough blobs
1756  *  so that one cluster is not enough to fit the metadata for those blobs.
1757  *  To induce this condition to happen more quickly, we reduce the cluster
1758  *  size to 16KB, which means only 4 4KB blob metadata pages can fit.
1759  */
1760 static void
1761 bs_resize_md(void)
1762 {
1763 	const int CLUSTER_PAGE_COUNT = 4;
1764 	const int NUM_BLOBS = CLUSTER_PAGE_COUNT * 4;
1765 	struct spdk_bs_dev *dev;
1766 	struct spdk_bs_opts opts;
1767 	uint32_t cluster_sz;
1768 	spdk_blob_id blobids[NUM_BLOBS];
1769 	int i;
1770 
1771 
1772 	dev = init_dev();
1773 	spdk_bs_opts_init(&opts);
1774 	opts.cluster_sz = CLUSTER_PAGE_COUNT * 4096;
1775 	cluster_sz = opts.cluster_sz;
1776 
1777 	/* Initialize a new blob store */
1778 	spdk_bs_init(dev, &opts, bs_op_with_handle_complete, NULL);
1779 	CU_ASSERT(g_bserrno == 0);
1780 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
1781 
1782 	CU_ASSERT(spdk_bs_get_cluster_size(g_bs) == cluster_sz);
1783 
1784 	for (i = 0; i < NUM_BLOBS; i++) {
1785 		g_bserrno = -1;
1786 		g_blobid = SPDK_BLOBID_INVALID;
1787 		spdk_bs_create_blob(g_bs, blob_op_with_id_complete, NULL);
1788 		CU_ASSERT(g_bserrno == 0);
1789 		CU_ASSERT(g_blobid !=  SPDK_BLOBID_INVALID);
1790 		blobids[i] = g_blobid;
1791 	}
1792 
1793 	/* Unload the blob store */
1794 	g_bserrno = -1;
1795 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
1796 	CU_ASSERT(g_bserrno == 0);
1797 
1798 	/* Load an existing blob store */
1799 	g_bserrno = -1;
1800 	g_bs = NULL;
1801 	dev = init_dev();
1802 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
1803 	CU_ASSERT(g_bserrno == 0);
1804 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
1805 
1806 	CU_ASSERT(spdk_bs_get_cluster_size(g_bs) == cluster_sz);
1807 
1808 	for (i = 0; i < NUM_BLOBS; i++) {
1809 		g_bserrno = -1;
1810 		g_blob = NULL;
1811 		spdk_bs_open_blob(g_bs, blobids[i], blob_op_with_handle_complete, NULL);
1812 		CU_ASSERT(g_bserrno == 0);
1813 		CU_ASSERT(g_blob !=  NULL);
1814 		g_bserrno = -1;
1815 		spdk_blob_close(g_blob, blob_op_complete, NULL);
1816 		CU_ASSERT(g_bserrno == 0);
1817 	}
1818 
1819 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
1820 	CU_ASSERT(g_bserrno == 0);
1821 	g_bs = NULL;
1822 }
1823 
1824 static void
1825 bs_destroy(void)
1826 {
1827 	struct spdk_bs_dev *dev;
1828 	struct spdk_bs_opts opts;
1829 
1830 	g_scheduler_delay = true;
1831 
1832 	_bs_flush_scheduler();
1833 	CU_ASSERT(TAILQ_EMPTY(&g_scheduled_ops));
1834 
1835 	/* Initialize a new blob store */
1836 	dev = init_dev();
1837 	spdk_bs_opts_init(&opts);
1838 	spdk_bs_init(dev, &opts, bs_op_with_handle_complete, NULL);
1839 	CU_ASSERT(g_bserrno == 0);
1840 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
1841 
1842 	/* Destroy the blob store */
1843 	g_bserrno = -1;
1844 	spdk_bs_destroy(g_bs, bs_op_complete, NULL);
1845 	/* Callback is called after device is destroyed in next scheduler run. */
1846 	_bs_flush_scheduler();
1847 	CU_ASSERT(TAILQ_EMPTY(&g_scheduled_ops));
1848 	CU_ASSERT(g_bserrno == 0);
1849 
1850 	/* Loading an non-existent blob store should fail. */
1851 	g_bserrno = -1;
1852 	g_bs = NULL;
1853 	dev = init_dev();
1854 
1855 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
1856 	CU_ASSERT(g_bserrno != 0);
1857 	g_scheduler_delay = false;
1858 }
1859 
1860 /* Try to hit all of the corner cases associated with serializing
1861  * a blob to disk
1862  */
1863 static void
1864 blob_serialize(void)
1865 {
1866 	struct spdk_bs_dev *dev;
1867 	struct spdk_bs_opts opts;
1868 	struct spdk_blob_store *bs;
1869 	spdk_blob_id blobid[2];
1870 	struct spdk_blob *blob[2];
1871 	uint64_t i;
1872 	char *value;
1873 	int rc;
1874 
1875 	dev = init_dev();
1876 
1877 	/* Initialize a new blobstore with very small clusters */
1878 	spdk_bs_opts_init(&opts);
1879 	opts.cluster_sz = dev->blocklen * 8;
1880 	spdk_bs_init(dev, &opts, bs_op_with_handle_complete, NULL);
1881 	CU_ASSERT(g_bserrno == 0);
1882 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
1883 	bs = g_bs;
1884 
1885 	/* Create and open two blobs */
1886 	for (i = 0; i < 2; i++) {
1887 		spdk_bs_create_blob(bs, blob_op_with_id_complete, NULL);
1888 		CU_ASSERT(g_bserrno == 0);
1889 		CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
1890 		blobid[i] = g_blobid;
1891 
1892 		/* Open a blob */
1893 		spdk_bs_open_blob(bs, blobid[i], blob_op_with_handle_complete, NULL);
1894 		CU_ASSERT(g_bserrno == 0);
1895 		CU_ASSERT(g_blob != NULL);
1896 		blob[i] = g_blob;
1897 
1898 		/* Set a fairly large xattr on both blobs to eat up
1899 		 * metadata space
1900 		 */
1901 		value = calloc(dev->blocklen - 64, sizeof(char));
1902 		SPDK_CU_ASSERT_FATAL(value != NULL);
1903 		memset(value, i, dev->blocklen / 2);
1904 		rc = spdk_blob_set_xattr(blob[i], "name", value, dev->blocklen - 64);
1905 		CU_ASSERT(rc == 0);
1906 		free(value);
1907 	}
1908 
1909 	/* Resize the blobs, alternating 1 cluster at a time.
1910 	 * This thwarts run length encoding and will cause spill
1911 	 * over of the extents.
1912 	 */
1913 	for (i = 0; i < 6; i++) {
1914 		rc = spdk_blob_resize(blob[i % 2], (i / 2) + 1);
1915 		CU_ASSERT(rc == 0);
1916 	}
1917 
1918 	for (i = 0; i < 2; i++) {
1919 		spdk_blob_sync_md(blob[i], blob_op_complete, NULL);
1920 		CU_ASSERT(g_bserrno == 0);
1921 	}
1922 
1923 	/* Close the blobs */
1924 	for (i = 0; i < 2; i++) {
1925 		spdk_blob_close(blob[i], blob_op_complete, NULL);
1926 		CU_ASSERT(g_bserrno == 0);
1927 	}
1928 
1929 	/* Unload the blobstore */
1930 	spdk_bs_unload(bs, bs_op_complete, NULL);
1931 	CU_ASSERT(g_bserrno == 0);
1932 	g_bs = NULL;
1933 	g_blob = NULL;
1934 	g_blobid = 0;
1935 	bs = NULL;
1936 
1937 	dev = init_dev();
1938 	/* Load an existing blob store */
1939 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
1940 	CU_ASSERT(g_bserrno == 0);
1941 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
1942 	bs = g_bs;
1943 
1944 	for (i = 0; i < 2; i++) {
1945 		blob[i] = NULL;
1946 
1947 		spdk_bs_open_blob(bs, blobid[i], blob_op_with_handle_complete, NULL);
1948 		CU_ASSERT(g_bserrno == 0);
1949 		CU_ASSERT(g_blob != NULL);
1950 		blob[i] = g_blob;
1951 
1952 		CU_ASSERT(spdk_blob_get_num_clusters(blob[i]) == 3);
1953 
1954 		spdk_blob_close(blob[i], blob_op_complete, NULL);
1955 		CU_ASSERT(g_bserrno == 0);
1956 	}
1957 
1958 	spdk_bs_unload(bs, bs_op_complete, NULL);
1959 	CU_ASSERT(g_bserrno == 0);
1960 	g_bs = NULL;
1961 }
1962 
1963 static void
1964 blob_crc(void)
1965 {
1966 	struct spdk_blob_store *bs;
1967 	struct spdk_bs_dev *dev;
1968 	struct spdk_blob *blob;
1969 	spdk_blob_id blobid;
1970 	uint32_t page_num;
1971 	int index;
1972 	struct spdk_blob_md_page *page;
1973 
1974 	dev = init_dev();
1975 
1976 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
1977 	CU_ASSERT(g_bserrno == 0);
1978 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
1979 	bs = g_bs;
1980 
1981 	spdk_bs_create_blob(bs, blob_op_with_id_complete, NULL);
1982 	CU_ASSERT(g_bserrno == 0);
1983 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
1984 	blobid = g_blobid;
1985 
1986 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
1987 	CU_ASSERT(g_bserrno == 0);
1988 	CU_ASSERT(g_blob != NULL);
1989 	blob = g_blob;
1990 
1991 	spdk_blob_close(blob, blob_op_complete, NULL);
1992 	CU_ASSERT(g_bserrno == 0);
1993 
1994 	page_num = _spdk_bs_blobid_to_page(blobid);
1995 	index = DEV_BUFFER_BLOCKLEN * (bs->md_start + page_num);
1996 	page = (struct spdk_blob_md_page *)&g_dev_buffer[index];
1997 	page->crc = 0;
1998 
1999 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
2000 	CU_ASSERT(g_bserrno == -EINVAL);
2001 	CU_ASSERT(g_blob == NULL);
2002 	g_bserrno = 0;
2003 
2004 	spdk_bs_delete_blob(bs, blobid, blob_op_complete, NULL);
2005 	CU_ASSERT(g_bserrno == -EINVAL);
2006 
2007 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
2008 	CU_ASSERT(g_bserrno == 0);
2009 	g_bs = NULL;
2010 }
2011 
2012 static void
2013 super_block_crc(void)
2014 {
2015 	struct spdk_bs_dev *dev;
2016 	struct spdk_bs_super_block *super_block;
2017 	struct spdk_bs_opts opts;
2018 
2019 	dev = init_dev();
2020 	spdk_bs_opts_init(&opts);
2021 
2022 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
2023 	CU_ASSERT(g_bserrno == 0);
2024 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
2025 
2026 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
2027 	CU_ASSERT(g_bserrno == 0);
2028 	g_bs = NULL;
2029 
2030 	super_block = (struct spdk_bs_super_block *)g_dev_buffer;
2031 	super_block->crc = 0;
2032 	dev = init_dev();
2033 
2034 	g_scheduler_delay = true;
2035 	/* Load an existing blob store */
2036 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
2037 
2038 	CU_ASSERT(g_bserrno == -EILSEQ);
2039 	_bs_flush_scheduler();
2040 	CU_ASSERT(TAILQ_EMPTY(&g_scheduled_ops));
2041 
2042 	g_scheduler_delay = false;
2043 }
2044 
2045 /* For blob dirty shutdown test case we do the following sub-test cases:
2046  * 1 Initialize new blob store and create 1 blob with some xattrs, then we
2047  *   dirty shutdown and reload the blob store and verify the xattrs.
2048  * 2 Resize the blob from 10 clusters to 20 clusters and then dirty shutdown,
2049  *   reload the blob store and verify the clusters number.
2050  * 3 Create the second blob and then dirty shutdown, reload the blob store
2051  *   and verify the second blob.
2052  * 4 Delete the second blob and then dirty shutdown, reload teh blob store
2053  *   and verify the second blob is invalid.
2054  * 5 Create the second blob again and also create the third blob, modify the
2055  *   md of second blob which makes the md invalid, and then dirty shutdown,
2056  *   reload the blob store verify the second blob, it should invalid and also
2057  *   verify the third blob, it should correct.
2058  */
2059 static void
2060 blob_dirty_shutdown(void)
2061 {
2062 	int rc;
2063 	int index;
2064 	struct spdk_bs_dev *dev;
2065 	spdk_blob_id blobid1, blobid2, blobid3;
2066 	struct spdk_blob *blob;
2067 	uint64_t length;
2068 	uint64_t free_clusters;
2069 	const void *value;
2070 	size_t value_len;
2071 	uint32_t page_num;
2072 	struct spdk_blob_md_page *page;
2073 	struct spdk_bs_opts opts;
2074 
2075 	dev = init_dev();
2076 	spdk_bs_opts_init(&opts);
2077 	/* Initialize a new blob store */
2078 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
2079 	CU_ASSERT(g_bserrno == 0);
2080 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
2081 
2082 	/* Create first blob */
2083 	spdk_bs_create_blob(g_bs, blob_op_with_id_complete, NULL);
2084 	CU_ASSERT(g_bserrno == 0);
2085 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
2086 	blobid1 = g_blobid;
2087 
2088 	spdk_bs_open_blob(g_bs, blobid1, blob_op_with_handle_complete, NULL);
2089 	CU_ASSERT(g_bserrno == 0);
2090 	CU_ASSERT(g_blob != NULL);
2091 	blob = g_blob;
2092 
2093 	/* Set some xattrs */
2094 	rc = spdk_blob_set_xattr(blob, "name", "log.txt", strlen("log.txt") + 1);
2095 	CU_ASSERT(rc == 0);
2096 
2097 	length = 2345;
2098 	rc = spdk_blob_set_xattr(blob, "length", &length, sizeof(length));
2099 	CU_ASSERT(rc == 0);
2100 
2101 	/* Resize the blob */
2102 	rc = spdk_blob_resize(blob, 10);
2103 	CU_ASSERT(rc == 0);
2104 
2105 	free_clusters = spdk_bs_free_cluster_count(g_bs);
2106 
2107 	spdk_blob_close(blob, blob_op_complete, NULL);
2108 	blob = NULL;
2109 	g_blob = NULL;
2110 	g_blobid = SPDK_BLOBID_INVALID;
2111 
2112 	/* Dirty shutdown */
2113 	_spdk_bs_free(g_bs);
2114 
2115 	/* reload blobstore */
2116 	dev = init_dev();
2117 	spdk_bs_opts_init(&opts);
2118 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
2119 	CU_ASSERT(g_bserrno == 0);
2120 
2121 	spdk_bs_open_blob(g_bs, blobid1, blob_op_with_handle_complete, NULL);
2122 	CU_ASSERT(g_bserrno == 0);
2123 	CU_ASSERT(g_blob != NULL);
2124 	blob = g_blob;
2125 
2126 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(g_bs));
2127 
2128 	/* Get the xattrs */
2129 	value = NULL;
2130 	rc = spdk_blob_get_xattr_value(blob, "length", &value, &value_len);
2131 	CU_ASSERT(rc == 0);
2132 	SPDK_CU_ASSERT_FATAL(value != NULL);
2133 	CU_ASSERT(*(uint64_t *)value == length);
2134 	CU_ASSERT(value_len == 8);
2135 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 10);
2136 
2137 	/* Resize the blob */
2138 	rc = spdk_blob_resize(blob, 20);
2139 	CU_ASSERT(rc == 0);
2140 
2141 	free_clusters = spdk_bs_free_cluster_count(g_bs);
2142 
2143 	spdk_blob_close(blob, blob_op_complete, NULL);
2144 	CU_ASSERT(g_bserrno == 0);
2145 	blob = NULL;
2146 	g_blob = NULL;
2147 	g_blobid = SPDK_BLOBID_INVALID;
2148 
2149 	/* Dirty shutdown */
2150 	_spdk_bs_free(g_bs);
2151 
2152 	/* reload the blobstore */
2153 	dev = init_dev();
2154 	spdk_bs_opts_init(&opts);
2155 	/* Load an existing blob store */
2156 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
2157 	CU_ASSERT(g_bserrno == 0);
2158 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
2159 	spdk_bs_open_blob(g_bs, blobid1, blob_op_with_handle_complete, NULL);
2160 	CU_ASSERT(g_bserrno == 0);
2161 	CU_ASSERT(g_blob != NULL);
2162 	blob = g_blob;
2163 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 20);
2164 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(g_bs));
2165 
2166 	spdk_blob_close(blob, blob_op_complete, NULL);
2167 	CU_ASSERT(g_bserrno == 0);
2168 	blob = NULL;
2169 	g_blob = NULL;
2170 	g_blobid = SPDK_BLOBID_INVALID;
2171 
2172 	/* Create second blob */
2173 	spdk_bs_create_blob(g_bs, blob_op_with_id_complete, NULL);
2174 	CU_ASSERT(g_bserrno == 0);
2175 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
2176 	blobid2 = g_blobid;
2177 
2178 	spdk_bs_open_blob(g_bs, blobid2, blob_op_with_handle_complete, NULL);
2179 	CU_ASSERT(g_bserrno == 0);
2180 	CU_ASSERT(g_blob != NULL);
2181 	blob = g_blob;
2182 
2183 	/* Set some xattrs */
2184 	rc = spdk_blob_set_xattr(blob, "name", "log1.txt", strlen("log1.txt") + 1);
2185 	CU_ASSERT(rc == 0);
2186 
2187 	length = 5432;
2188 	rc = spdk_blob_set_xattr(blob, "length", &length, sizeof(length));
2189 	CU_ASSERT(rc == 0);
2190 
2191 	/* Resize the blob */
2192 	rc = spdk_blob_resize(blob, 10);
2193 	CU_ASSERT(rc == 0);
2194 
2195 	free_clusters = spdk_bs_free_cluster_count(g_bs);
2196 
2197 	spdk_blob_close(blob, blob_op_complete, NULL);
2198 	blob = NULL;
2199 	g_blob = NULL;
2200 	g_blobid = SPDK_BLOBID_INVALID;
2201 
2202 	/* Dirty shutdown */
2203 	_spdk_bs_free(g_bs);
2204 
2205 	/* reload the blobstore */
2206 	dev = init_dev();
2207 	spdk_bs_opts_init(&opts);
2208 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
2209 	CU_ASSERT(g_bserrno == 0);
2210 
2211 	spdk_bs_open_blob(g_bs, blobid2, blob_op_with_handle_complete, NULL);
2212 	CU_ASSERT(g_bserrno == 0);
2213 	CU_ASSERT(g_blob != NULL);
2214 	blob = g_blob;
2215 
2216 	/* Get the xattrs */
2217 	value = NULL;
2218 	rc = spdk_blob_get_xattr_value(blob, "length", &value, &value_len);
2219 	CU_ASSERT(rc == 0);
2220 	SPDK_CU_ASSERT_FATAL(value != NULL);
2221 	CU_ASSERT(*(uint64_t *)value == length);
2222 	CU_ASSERT(value_len == 8);
2223 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 10);
2224 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(g_bs));
2225 
2226 	spdk_blob_close(blob, blob_op_complete, NULL);
2227 	CU_ASSERT(g_bserrno == 0);
2228 	spdk_bs_delete_blob(g_bs, blobid2, blob_op_complete, NULL);
2229 	CU_ASSERT(g_bserrno == 0);
2230 
2231 	free_clusters = spdk_bs_free_cluster_count(g_bs);
2232 
2233 	/* Dirty shutdown */
2234 	_spdk_bs_free(g_bs);
2235 	/* reload the blobstore */
2236 	dev = init_dev();
2237 	spdk_bs_opts_init(&opts);
2238 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
2239 	CU_ASSERT(g_bserrno == 0);
2240 
2241 	spdk_bs_open_blob(g_bs, blobid2, blob_op_with_handle_complete, NULL);
2242 	CU_ASSERT(g_bserrno != 0);
2243 	CU_ASSERT(g_blob == NULL);
2244 
2245 	spdk_bs_open_blob(g_bs, blobid1, blob_op_with_handle_complete, NULL);
2246 	CU_ASSERT(g_bserrno == 0);
2247 	CU_ASSERT(g_blob != NULL);
2248 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(g_bs));
2249 	spdk_blob_close(g_blob, blob_op_complete, NULL);
2250 	CU_ASSERT(g_bserrno == 0);
2251 
2252 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
2253 	CU_ASSERT(g_bserrno == 0);
2254 	g_bs = NULL;
2255 
2256 	/* reload the blobstore */
2257 	dev = init_dev();
2258 	spdk_bs_opts_init(&opts);
2259 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
2260 	CU_ASSERT(g_bserrno == 0);
2261 
2262 	/* Create second blob */
2263 	spdk_bs_create_blob(g_bs, blob_op_with_id_complete, NULL);
2264 	CU_ASSERT(g_bserrno == 0);
2265 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
2266 	blobid2 = g_blobid;
2267 
2268 	/* Create third blob */
2269 	spdk_bs_create_blob(g_bs, blob_op_with_id_complete, NULL);
2270 	CU_ASSERT(g_bserrno == 0);
2271 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
2272 	blobid3 = g_blobid;
2273 
2274 	spdk_bs_open_blob(g_bs, blobid2, blob_op_with_handle_complete, NULL);
2275 	CU_ASSERT(g_bserrno == 0);
2276 	CU_ASSERT(g_blob != NULL);
2277 	blob = g_blob;
2278 
2279 	/* Set some xattrs for second blob */
2280 	rc = spdk_blob_set_xattr(blob, "name", "log1.txt", strlen("log1.txt") + 1);
2281 	CU_ASSERT(rc == 0);
2282 
2283 	length = 5432;
2284 	rc = spdk_blob_set_xattr(blob, "length", &length, sizeof(length));
2285 	CU_ASSERT(rc == 0);
2286 
2287 	spdk_blob_close(blob, blob_op_complete, NULL);
2288 	blob = NULL;
2289 	g_blob = NULL;
2290 	g_blobid = SPDK_BLOBID_INVALID;
2291 
2292 	spdk_bs_open_blob(g_bs, blobid3, blob_op_with_handle_complete, NULL);
2293 	CU_ASSERT(g_bserrno == 0);
2294 	CU_ASSERT(g_blob != NULL);
2295 	blob = g_blob;
2296 
2297 	/* Set some xattrs for third blob */
2298 	rc = spdk_blob_set_xattr(blob, "name", "log2.txt", strlen("log2.txt") + 1);
2299 	CU_ASSERT(rc == 0);
2300 
2301 	length = 5432;
2302 	rc = spdk_blob_set_xattr(blob, "length", &length, sizeof(length));
2303 	CU_ASSERT(rc == 0);
2304 
2305 	spdk_blob_close(blob, blob_op_complete, NULL);
2306 	blob = NULL;
2307 	g_blob = NULL;
2308 	g_blobid = SPDK_BLOBID_INVALID;
2309 
2310 	/* Mark second blob as invalid */
2311 	page_num = _spdk_bs_blobid_to_page(blobid2);
2312 
2313 	index = DEV_BUFFER_BLOCKLEN * (g_bs->md_start + page_num);
2314 	page = (struct spdk_blob_md_page *)&g_dev_buffer[index];
2315 	page->sequence_num = 1;
2316 	page->crc = _spdk_blob_md_page_calc_crc(page);
2317 
2318 	free_clusters = spdk_bs_free_cluster_count(g_bs);
2319 
2320 	/* Dirty shutdown */
2321 	_spdk_bs_free(g_bs);
2322 	/* reload the blobstore */
2323 	dev = init_dev();
2324 	spdk_bs_opts_init(&opts);
2325 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
2326 	CU_ASSERT(g_bserrno == 0);
2327 
2328 	spdk_bs_open_blob(g_bs, blobid2, blob_op_with_handle_complete, NULL);
2329 	CU_ASSERT(g_bserrno != 0);
2330 	CU_ASSERT(g_blob == NULL);
2331 
2332 	spdk_bs_open_blob(g_bs, blobid3, blob_op_with_handle_complete, NULL);
2333 	CU_ASSERT(g_bserrno == 0);
2334 	CU_ASSERT(g_blob != NULL);
2335 	blob = g_blob;
2336 
2337 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(g_bs));
2338 
2339 	spdk_blob_close(blob, blob_op_complete, NULL);
2340 	blob = NULL;
2341 	g_blob = NULL;
2342 	g_blobid = SPDK_BLOBID_INVALID;
2343 
2344 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
2345 	CU_ASSERT(g_bserrno == 0);
2346 	g_bs = NULL;
2347 }
2348 
2349 static void
2350 blob_flags(void)
2351 {
2352 	struct spdk_bs_dev *dev;
2353 	spdk_blob_id blobid_invalid, blobid_data_ro, blobid_md_ro;
2354 	struct spdk_blob *blob_invalid, *blob_data_ro, *blob_md_ro;
2355 	struct spdk_bs_opts opts;
2356 	int rc;
2357 
2358 	dev = init_dev();
2359 	spdk_bs_opts_init(&opts);
2360 
2361 	/* Initialize a new blob store */
2362 	spdk_bs_init(dev, &opts, bs_op_with_handle_complete, NULL);
2363 	CU_ASSERT(g_bserrno == 0);
2364 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
2365 
2366 	/* Create three blobs - one each for testing invalid, data_ro and md_ro flags. */
2367 	spdk_bs_create_blob(g_bs, blob_op_with_id_complete, NULL);
2368 	CU_ASSERT(g_bserrno == 0);
2369 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
2370 	blobid_invalid = g_blobid;
2371 
2372 	spdk_bs_create_blob(g_bs, blob_op_with_id_complete, NULL);
2373 	CU_ASSERT(g_bserrno == 0);
2374 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
2375 	blobid_data_ro = g_blobid;
2376 
2377 	spdk_bs_create_blob(g_bs, blob_op_with_id_complete, NULL);
2378 	CU_ASSERT(g_bserrno == 0);
2379 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
2380 	blobid_md_ro = g_blobid;
2381 
2382 	spdk_bs_open_blob(g_bs, blobid_invalid, blob_op_with_handle_complete, NULL);
2383 	CU_ASSERT(g_bserrno == 0);
2384 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
2385 	blob_invalid = g_blob;
2386 
2387 	spdk_bs_open_blob(g_bs, blobid_data_ro, blob_op_with_handle_complete, NULL);
2388 	CU_ASSERT(g_bserrno == 0);
2389 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
2390 	blob_data_ro = g_blob;
2391 
2392 	spdk_bs_open_blob(g_bs, blobid_md_ro, blob_op_with_handle_complete, NULL);
2393 	CU_ASSERT(g_bserrno == 0);
2394 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
2395 	blob_md_ro = g_blob;
2396 
2397 	/* Change the size of blob_data_ro to check if flags are serialized
2398 	 * when blob has non zero number of extents */
2399 	rc = spdk_blob_resize(blob_data_ro, 10);
2400 	CU_ASSERT(rc == 0);
2401 
2402 	/* Set the xattr to check if flags are serialized
2403 	 * when blob has non zero number of xattrs */
2404 	rc = spdk_blob_set_xattr(blob_md_ro, "name", "log.txt", strlen("log.txt") + 1);
2405 	CU_ASSERT(rc == 0);
2406 
2407 	__blob_to_data(blob_invalid)->invalid_flags = (1ULL << 63);
2408 	__blob_to_data(blob_invalid)->state = SPDK_BLOB_STATE_DIRTY;
2409 	__blob_to_data(blob_data_ro)->data_ro_flags = (1ULL << 62);
2410 	__blob_to_data(blob_data_ro)->state = SPDK_BLOB_STATE_DIRTY;
2411 	__blob_to_data(blob_md_ro)->md_ro_flags = (1ULL << 61);
2412 	__blob_to_data(blob_md_ro)->state = SPDK_BLOB_STATE_DIRTY;
2413 
2414 	g_bserrno = -1;
2415 	spdk_blob_sync_md(blob_invalid, blob_op_complete, NULL);
2416 	CU_ASSERT(g_bserrno == 0);
2417 	g_bserrno = -1;
2418 	spdk_blob_sync_md(blob_data_ro, blob_op_complete, NULL);
2419 	CU_ASSERT(g_bserrno == 0);
2420 	g_bserrno = -1;
2421 	spdk_blob_sync_md(blob_md_ro, blob_op_complete, NULL);
2422 	CU_ASSERT(g_bserrno == 0);
2423 
2424 	g_bserrno = -1;
2425 	spdk_blob_close(blob_invalid, blob_op_complete, NULL);
2426 	CU_ASSERT(g_bserrno == 0);
2427 	blob_invalid = NULL;
2428 	g_bserrno = -1;
2429 	spdk_blob_close(blob_data_ro, blob_op_complete, NULL);
2430 	CU_ASSERT(g_bserrno == 0);
2431 	blob_data_ro = NULL;
2432 	g_bserrno = -1;
2433 	spdk_blob_close(blob_md_ro, blob_op_complete, NULL);
2434 	CU_ASSERT(g_bserrno == 0);
2435 	blob_md_ro = NULL;
2436 
2437 	g_blob = NULL;
2438 	g_blobid = SPDK_BLOBID_INVALID;
2439 
2440 	/* Unload the blob store */
2441 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
2442 	CU_ASSERT(g_bserrno == 0);
2443 	g_bs = NULL;
2444 
2445 	/* Load an existing blob store */
2446 	dev = init_dev();
2447 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
2448 	CU_ASSERT(g_bserrno == 0);
2449 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
2450 
2451 	g_blob = NULL;
2452 	g_bserrno = 0;
2453 	spdk_bs_open_blob(g_bs, blobid_invalid, blob_op_with_handle_complete, NULL);
2454 	CU_ASSERT(g_bserrno != 0);
2455 	CU_ASSERT(g_blob == NULL);
2456 
2457 	g_blob = NULL;
2458 	g_bserrno = -1;
2459 	spdk_bs_open_blob(g_bs, blobid_data_ro, blob_op_with_handle_complete, NULL);
2460 	CU_ASSERT(g_bserrno == 0);
2461 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
2462 	blob_data_ro = g_blob;
2463 	/* If an unknown data_ro flag was found, the blob should be marked both data and md read-only. */
2464 	CU_ASSERT(__blob_to_data(blob_data_ro)->data_ro == true);
2465 	CU_ASSERT(__blob_to_data(blob_data_ro)->md_ro == true);
2466 	CU_ASSERT(spdk_blob_get_num_clusters(blob_data_ro) == 10);
2467 
2468 	g_blob = NULL;
2469 	g_bserrno = -1;
2470 	spdk_bs_open_blob(g_bs, blobid_md_ro, blob_op_with_handle_complete, NULL);
2471 	CU_ASSERT(g_bserrno == 0);
2472 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
2473 	blob_md_ro = g_blob;
2474 	CU_ASSERT(__blob_to_data(blob_md_ro)->data_ro == false);
2475 	CU_ASSERT(__blob_to_data(blob_md_ro)->md_ro == true);
2476 
2477 	g_bserrno = -1;
2478 	spdk_blob_sync_md(blob_md_ro, blob_op_complete, NULL);
2479 	CU_ASSERT(g_bserrno == 0);
2480 
2481 	spdk_blob_close(blob_data_ro, blob_op_complete, NULL);
2482 	CU_ASSERT(g_bserrno == 0);
2483 	spdk_blob_close(blob_md_ro, blob_op_complete, NULL);
2484 	CU_ASSERT(g_bserrno == 0);
2485 
2486 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
2487 	CU_ASSERT(g_bserrno == 0);
2488 }
2489 
2490 static void
2491 bs_version(void)
2492 {
2493 	struct spdk_bs_super_block *super;
2494 	struct spdk_bs_dev *dev;
2495 	struct spdk_bs_opts opts;
2496 	spdk_blob_id blobid;
2497 
2498 	dev = init_dev();
2499 	spdk_bs_opts_init(&opts);
2500 
2501 	/* Initialize a new blob store */
2502 	spdk_bs_init(dev, &opts, bs_op_with_handle_complete, NULL);
2503 	CU_ASSERT(g_bserrno == 0);
2504 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
2505 
2506 	/* Unload the blob store */
2507 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
2508 	CU_ASSERT(g_bserrno == 0);
2509 	g_bs = NULL;
2510 
2511 	/*
2512 	 * Change the bs version on disk.  This will allow us to
2513 	 *  test that the version does not get modified automatically
2514 	 *  when loading and unloading the blobstore.
2515 	 */
2516 	super = (struct spdk_bs_super_block *)&g_dev_buffer[0];
2517 	CU_ASSERT(super->version == SPDK_BS_VERSION);
2518 	CU_ASSERT(super->clean == 1);
2519 	super->version = 2;
2520 	/*
2521 	 * Version 2 metadata does not have a used blobid mask, so clear
2522 	 *  those fields in the super block and zero the corresponding
2523 	 *  region on "disk".  We will use this to ensure blob IDs are
2524 	 *  correctly reconstructed.
2525 	 */
2526 	memset(&g_dev_buffer[super->used_blobid_mask_start * SPDK_BS_PAGE_SIZE], 0,
2527 	       super->used_blobid_mask_len * SPDK_BS_PAGE_SIZE);
2528 	super->used_blobid_mask_start = 0;
2529 	super->used_blobid_mask_len = 0;
2530 	super->crc = _spdk_blob_md_page_calc_crc(super);
2531 
2532 	/* Load an existing blob store */
2533 	dev = init_dev();
2534 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
2535 	CU_ASSERT(g_bserrno == 0);
2536 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
2537 	CU_ASSERT(super->clean == 0);
2538 
2539 	/*
2540 	 * Create a blob - just to make sure that when we unload it
2541 	 *  results in writing the super block (since metadata pages
2542 	 *  were allocated.
2543 	 */
2544 	spdk_bs_create_blob(g_bs, blob_op_with_id_complete, NULL);
2545 	CU_ASSERT(g_bserrno == 0);
2546 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
2547 	blobid = g_blobid;
2548 
2549 	/* Unload the blob store */
2550 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
2551 	CU_ASSERT(g_bserrno == 0);
2552 	g_bs = NULL;
2553 	CU_ASSERT(super->version == 2);
2554 	CU_ASSERT(super->used_blobid_mask_start == 0);
2555 	CU_ASSERT(super->used_blobid_mask_len == 0);
2556 
2557 	dev = init_dev();
2558 	spdk_bs_load(dev, &opts, bs_op_with_handle_complete, NULL);
2559 	CU_ASSERT(g_bserrno == 0);
2560 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
2561 
2562 	g_blob = NULL;
2563 	spdk_bs_open_blob(g_bs, blobid, blob_op_with_handle_complete, NULL);
2564 	CU_ASSERT(g_bserrno == 0);
2565 	CU_ASSERT(g_blob != NULL);
2566 
2567 	spdk_blob_close(g_blob, blob_op_complete, NULL);
2568 	CU_ASSERT(g_bserrno == 0);
2569 
2570 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
2571 	CU_ASSERT(g_bserrno == 0);
2572 	g_bs = NULL;
2573 	CU_ASSERT(super->version == 2);
2574 	CU_ASSERT(super->used_blobid_mask_start == 0);
2575 	CU_ASSERT(super->used_blobid_mask_len == 0);
2576 }
2577 
2578 static void
2579 _get_xattr_value(void *arg, const char *name,
2580 		 const void **value, size_t *value_len)
2581 {
2582 	uint64_t i;
2583 
2584 	SPDK_CU_ASSERT_FATAL(value_len != NULL);
2585 	SPDK_CU_ASSERT_FATAL(value != NULL);
2586 	CU_ASSERT(arg == &g_ctx)
2587 
2588 	for (i = 0; i < sizeof(g_xattr_names); i++) {
2589 		if (!strcmp(name, g_xattr_names[i])) {
2590 			*value_len = strlen(g_xattr_values[i]);
2591 			*value = g_xattr_values[i];
2592 			break;
2593 		}
2594 	}
2595 }
2596 
2597 static void
2598 _get_xattr_value_null(void *arg, const char *name,
2599 		      const void **value, size_t *value_len)
2600 {
2601 	SPDK_CU_ASSERT_FATAL(value_len != NULL);
2602 	SPDK_CU_ASSERT_FATAL(value != NULL);
2603 	CU_ASSERT(arg == NULL)
2604 
2605 	*value_len = 0;
2606 	*value = NULL;
2607 }
2608 
2609 static void
2610 blob_set_xattrs(void)
2611 {
2612 	struct spdk_blob_store *bs;
2613 	struct spdk_bs_dev *dev;
2614 	struct spdk_blob *blob;
2615 	struct spdk_blob_opts opts;
2616 	spdk_blob_id blobid;
2617 	const void *value;
2618 	size_t value_len;
2619 	int rc;
2620 
2621 	dev = init_dev();
2622 
2623 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
2624 	CU_ASSERT(g_bserrno == 0);
2625 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
2626 	bs = g_bs;
2627 
2628 	/* Create blob with extra attributes */
2629 	spdk_blob_opts_init(&opts);
2630 
2631 	opts.xattrs.names = g_xattr_names;
2632 	opts.xattrs.get_value = _get_xattr_value;
2633 	opts.xattrs.count = 3;
2634 	opts.xattrs.ctx = &g_ctx;
2635 
2636 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
2637 	CU_ASSERT(g_bserrno == 0);
2638 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
2639 	blobid = g_blobid;
2640 
2641 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
2642 	CU_ASSERT(g_bserrno == 0);
2643 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
2644 	blob = g_blob;
2645 
2646 	/* Get the xattrs */
2647 	value = NULL;
2648 
2649 	rc = spdk_blob_get_xattr_value(blob, g_xattr_names[0], &value, &value_len);
2650 	CU_ASSERT(rc == 0);
2651 	SPDK_CU_ASSERT_FATAL(value != NULL);
2652 	CU_ASSERT(value_len == strlen(g_xattr_values[0]));
2653 	CU_ASSERT_NSTRING_EQUAL_FATAL(value, g_xattr_values[0], value_len);
2654 
2655 	rc = spdk_blob_get_xattr_value(blob, g_xattr_names[1], &value, &value_len);
2656 	CU_ASSERT(rc == 0);
2657 	SPDK_CU_ASSERT_FATAL(value != NULL);
2658 	CU_ASSERT(value_len == strlen(g_xattr_values[1]));
2659 	CU_ASSERT_NSTRING_EQUAL((char *)value, g_xattr_values[1], value_len);
2660 
2661 	rc = spdk_blob_get_xattr_value(blob, g_xattr_names[2], &value, &value_len);
2662 	CU_ASSERT(rc == 0);
2663 	SPDK_CU_ASSERT_FATAL(value != NULL);
2664 	CU_ASSERT(value_len == strlen(g_xattr_values[2]));
2665 	CU_ASSERT_NSTRING_EQUAL((char *)value, g_xattr_values[2], value_len);
2666 
2667 	/* Try to get non existing attribute */
2668 
2669 	rc = spdk_blob_get_xattr_value(blob, "foobar", &value, &value_len);
2670 	CU_ASSERT(rc == -ENOENT);
2671 
2672 	spdk_blob_close(blob, blob_op_complete, NULL);
2673 	CU_ASSERT(g_bserrno == 0);
2674 	blob = NULL;
2675 	g_blob = NULL;
2676 	g_blobid = SPDK_BLOBID_INVALID;
2677 
2678 	/* NULL callback */
2679 	spdk_blob_opts_init(&opts);
2680 	opts.xattrs.names = g_xattr_names;
2681 	opts.xattrs.get_value = NULL;
2682 	opts.xattrs.count = 1;
2683 	opts.xattrs.ctx = &g_ctx;
2684 
2685 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
2686 	CU_ASSERT(g_bserrno == -EINVAL);
2687 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
2688 
2689 	/* NULL values */
2690 	spdk_blob_opts_init(&opts);
2691 	opts.xattrs.names = g_xattr_names;
2692 	opts.xattrs.get_value = _get_xattr_value_null;
2693 	opts.xattrs.count = 1;
2694 	opts.xattrs.ctx = NULL;
2695 
2696 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
2697 	CU_ASSERT(g_bserrno == -EINVAL);
2698 
2699 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
2700 	CU_ASSERT(g_bserrno == 0);
2701 	g_bs = NULL;
2702 
2703 }
2704 
2705 static void
2706 blob_thin_prov_alloc(void)
2707 {
2708 	struct spdk_blob_store *bs;
2709 	struct spdk_bs_dev *dev;
2710 	struct spdk_blob *blob;
2711 	struct spdk_blob_data *blob_data;
2712 	struct spdk_blob_opts opts;
2713 	spdk_blob_id blobid;
2714 	uint64_t free_clusters;
2715 	int rc;
2716 
2717 	dev = init_dev();
2718 
2719 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
2720 	CU_ASSERT(g_bserrno == 0);
2721 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
2722 	bs = g_bs;
2723 	free_clusters = spdk_bs_free_cluster_count(bs);
2724 
2725 	/* Set blob as thin provisioned */
2726 	spdk_blob_opts_init(&opts);
2727 	opts.thin_provision = true;
2728 
2729 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
2730 	CU_ASSERT(g_bserrno == 0);
2731 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
2732 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
2733 	blobid = g_blobid;
2734 
2735 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
2736 	CU_ASSERT(g_bserrno == 0);
2737 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
2738 	blob = g_blob;
2739 	blob_data = __blob_to_data(blob);
2740 
2741 	CU_ASSERT(blob_data->active.num_clusters == 0);
2742 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 0);
2743 
2744 	/* The blob started at 0 clusters. Resize it to be 5, but still unallocated. */
2745 	rc = spdk_blob_resize(blob, 5);
2746 	CU_ASSERT(rc == 0);
2747 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
2748 	CU_ASSERT(blob_data->active.num_clusters == 5);
2749 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 5);
2750 
2751 	/* Shrink the blob to 3 clusters - still unallocated */
2752 	rc = spdk_blob_resize(blob, 3);
2753 	CU_ASSERT(rc == 0);
2754 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
2755 	CU_ASSERT(blob_data->active.num_clusters == 3);
2756 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 3);
2757 
2758 	spdk_blob_sync_md(blob, blob_op_complete, NULL);
2759 	CU_ASSERT(g_bserrno == 0);
2760 	/* Sync must not change anything */
2761 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
2762 	CU_ASSERT(blob_data->active.num_clusters == 3);
2763 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 3);
2764 
2765 	spdk_blob_close(blob, blob_op_complete, NULL);
2766 	CU_ASSERT(g_bserrno == 0);
2767 
2768 	/* Unload the blob store */
2769 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
2770 	CU_ASSERT(g_bserrno == 0);
2771 	g_bs = NULL;
2772 	g_blob = NULL;
2773 	g_blobid = 0;
2774 
2775 	/* Load an existing blob store */
2776 	dev = init_dev();
2777 	spdk_bs_load(dev, NULL, bs_op_with_handle_complete, NULL);
2778 	CU_ASSERT(g_bserrno == 0);
2779 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
2780 
2781 	bs = g_bs;
2782 
2783 	spdk_bs_open_blob(g_bs, blobid, blob_op_with_handle_complete, NULL);
2784 	CU_ASSERT(g_bserrno == 0);
2785 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
2786 	blob = g_blob;
2787 	blob_data = __blob_to_data(blob);
2788 
2789 	/* Check that clusters allocation and size is still the same */
2790 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
2791 	CU_ASSERT(blob_data->active.num_clusters == 3);
2792 
2793 	spdk_blob_close(blob, blob_op_complete, NULL);
2794 	CU_ASSERT(g_bserrno == 0);
2795 
2796 	spdk_bs_delete_blob(bs, blobid, blob_op_complete, NULL);
2797 	CU_ASSERT(g_bserrno == 0);
2798 
2799 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
2800 	CU_ASSERT(g_bserrno == 0);
2801 	g_bs = NULL;
2802 }
2803 
2804 static void
2805 blob_insert_cluster_msg(void)
2806 {
2807 	struct spdk_blob_store *bs;
2808 	struct spdk_bs_dev *dev;
2809 	struct spdk_blob *blob;
2810 	struct spdk_blob_data *blob_data;
2811 	struct spdk_blob_opts opts;
2812 	spdk_blob_id blobid;
2813 	uint64_t free_clusters;
2814 
2815 	dev = init_dev();
2816 
2817 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
2818 	CU_ASSERT(g_bserrno == 0);
2819 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
2820 	bs = g_bs;
2821 	free_clusters = spdk_bs_free_cluster_count(bs);
2822 
2823 	/* Set blob as thin provisioned */
2824 	spdk_blob_opts_init(&opts);
2825 	opts.thin_provision = true;
2826 	opts.num_clusters = 4;
2827 
2828 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
2829 	CU_ASSERT(g_bserrno == 0);
2830 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
2831 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
2832 	blobid = g_blobid;
2833 
2834 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
2835 	CU_ASSERT(g_bserrno == 0);
2836 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
2837 	blob = g_blob;
2838 	blob_data = __blob_to_data(blob);
2839 
2840 	CU_ASSERT(blob_data->active.num_clusters == 4);
2841 	CU_ASSERT(spdk_blob_get_num_clusters(blob) == 4);
2842 	CU_ASSERT(blob_data->active.clusters[1] == 0);
2843 
2844 	_spdk_bs_claim_cluster(bs, 0xF);
2845 	_spdk_blob_insert_cluster_on_md_thread(blob_data, 1, 0xF, blob_op_complete, NULL);
2846 
2847 	CU_ASSERT(blob_data->active.clusters[1] != 0);
2848 
2849 	spdk_blob_close(blob, blob_op_complete, NULL);
2850 	CU_ASSERT(g_bserrno == 0);
2851 
2852 	/* Unload the blob store */
2853 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
2854 	CU_ASSERT(g_bserrno == 0);
2855 	g_bs = NULL;
2856 	g_blob = NULL;
2857 	g_blobid = 0;
2858 
2859 	/* Load an existing blob store */
2860 	dev = init_dev();
2861 	spdk_bs_load(dev, NULL, bs_op_with_handle_complete, NULL);
2862 	CU_ASSERT(g_bserrno == 0);
2863 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
2864 
2865 	bs = g_bs;
2866 
2867 	spdk_bs_open_blob(g_bs, blobid, blob_op_with_handle_complete, NULL);
2868 	CU_ASSERT(g_bserrno == 0);
2869 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
2870 	blob = g_blob;
2871 	blob_data = __blob_to_data(blob);
2872 
2873 	CU_ASSERT(blob_data->active.clusters[1] != 0);
2874 
2875 	spdk_blob_close(blob, blob_op_complete, NULL);
2876 	CU_ASSERT(g_bserrno == 0);
2877 
2878 	spdk_bs_delete_blob(bs, blobid, blob_op_complete, NULL);
2879 	CU_ASSERT(g_bserrno == 0);
2880 
2881 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
2882 	CU_ASSERT(g_bserrno == 0);
2883 	g_bs = NULL;
2884 }
2885 
2886 static void
2887 blob_thin_prov_rw(void)
2888 {
2889 	static const uint8_t zero[10 * 4096] = { 0 };
2890 	struct spdk_blob_store *bs;
2891 	struct spdk_bs_dev *dev;
2892 	struct spdk_blob *blob;
2893 	struct spdk_blob_data *blob_data;
2894 	struct spdk_io_channel *channel;
2895 	struct spdk_blob_opts 	opts;
2896 	spdk_blob_id blobid;
2897 	uint64_t free_clusters;
2898 	uint8_t payload_read[10 * 4096];
2899 	uint8_t payload_write[10 * 4096];
2900 	int rc;
2901 
2902 	dev = init_dev();
2903 
2904 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
2905 	CU_ASSERT(g_bserrno == 0);
2906 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
2907 	bs = g_bs;
2908 	free_clusters = spdk_bs_free_cluster_count(bs);
2909 
2910 	channel = spdk_bs_alloc_io_channel(bs);
2911 	CU_ASSERT(channel != NULL);
2912 
2913 	spdk_blob_opts_init(&opts);
2914 	opts.thin_provision = true;
2915 
2916 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
2917 	CU_ASSERT(g_bserrno == 0);
2918 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
2919 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
2920 	blobid = g_blobid;
2921 
2922 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
2923 	CU_ASSERT(g_bserrno == 0);
2924 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
2925 	blob = g_blob;
2926 	blob_data = __blob_to_data(blob);
2927 
2928 	CU_ASSERT(blob_data->active.num_clusters == 0);
2929 
2930 	/* The blob started at 0 clusters. Resize it to be 5, but still unallocated. */
2931 	rc = spdk_blob_resize(blob, 5);
2932 	CU_ASSERT(rc == 0);
2933 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
2934 	CU_ASSERT(blob_data->active.num_clusters == 5);
2935 
2936 	spdk_blob_sync_md(blob, blob_op_complete, NULL);
2937 	CU_ASSERT(g_bserrno == 0);
2938 	/* Sync must not change anything */
2939 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
2940 	CU_ASSERT(blob_data->active.num_clusters == 5);
2941 
2942 	/* Payload should be all zeros from unallocated clusters */
2943 	memset(payload_read, 0xFF, sizeof(payload_read));
2944 	spdk_bs_io_read_blob(blob, channel, payload_read, 4, 10, blob_op_complete, NULL);
2945 	CU_ASSERT(g_bserrno == 0);
2946 	CU_ASSERT(memcmp(zero, payload_read, 10 * 4096) == 0);
2947 
2948 	memset(payload_write, 0xE5, sizeof(payload_write));
2949 	spdk_bs_io_write_blob(blob, channel, payload_write, 4, 10, blob_op_complete, NULL);
2950 	CU_ASSERT(g_bserrno == 0);
2951 	CU_ASSERT(free_clusters != spdk_bs_free_cluster_count(bs));
2952 
2953 	spdk_bs_io_read_blob(blob, channel, payload_read, 4, 10, blob_op_complete, NULL);
2954 	CU_ASSERT(g_bserrno == 0);
2955 	CU_ASSERT(memcmp(payload_write, payload_read, 10 * 4096) == 0);
2956 
2957 	spdk_blob_close(blob, blob_op_complete, NULL);
2958 	CU_ASSERT(g_bserrno == 0);
2959 
2960 	spdk_bs_delete_blob(bs, blobid, blob_op_complete, NULL);
2961 	CU_ASSERT(g_bserrno == 0);
2962 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
2963 
2964 	spdk_bs_free_io_channel(channel);
2965 
2966 	/* Unload the blob store */
2967 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
2968 	CU_ASSERT(g_bserrno == 0);
2969 	g_bs = NULL;
2970 	g_blob = NULL;
2971 	g_blobid = 0;
2972 }
2973 
2974 static void
2975 blob_thin_prov_rw_iov(void)
2976 {
2977 	static const uint8_t zero[10 * 4096] = { 0 };
2978 	struct spdk_blob_store *bs;
2979 	struct spdk_bs_dev *dev;
2980 	struct spdk_blob *blob;
2981 	struct spdk_blob_data *blob_data;
2982 	struct spdk_io_channel *channel;
2983 	struct spdk_blob_opts 	opts;
2984 	spdk_blob_id blobid;
2985 	uint64_t free_clusters;
2986 	uint8_t payload_read[10 * 4096];
2987 	uint8_t payload_write[10 * 4096];
2988 	struct iovec iov_read[3];
2989 	struct iovec iov_write[3];
2990 
2991 	int rc;
2992 
2993 	dev = init_dev();
2994 
2995 	spdk_bs_init(dev, NULL, bs_op_with_handle_complete, NULL);
2996 	CU_ASSERT(g_bserrno == 0);
2997 	SPDK_CU_ASSERT_FATAL(g_bs != NULL);
2998 	bs = g_bs;
2999 	free_clusters = spdk_bs_free_cluster_count(bs);
3000 
3001 	channel = spdk_bs_alloc_io_channel(bs);
3002 	CU_ASSERT(channel != NULL);
3003 
3004 	spdk_blob_opts_init(&opts);
3005 	opts.thin_provision = true;
3006 
3007 	spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
3008 	CU_ASSERT(g_bserrno == 0);
3009 	CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
3010 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
3011 	blobid = g_blobid;
3012 
3013 	spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
3014 	CU_ASSERT(g_bserrno == 0);
3015 	SPDK_CU_ASSERT_FATAL(g_blob != NULL);
3016 	blob = g_blob;
3017 	blob_data = __blob_to_data(blob);
3018 
3019 	CU_ASSERT(blob_data->active.num_clusters == 0);
3020 
3021 	/* The blob started at 0 clusters. Resize it to be 5, but still unallocated. */
3022 	rc = spdk_blob_resize(blob, 5);
3023 	CU_ASSERT(rc == 0);
3024 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
3025 	CU_ASSERT(blob_data->active.num_clusters == 5);
3026 
3027 	spdk_blob_sync_md(blob, blob_op_complete, NULL);
3028 	CU_ASSERT(g_bserrno == 0);
3029 	/* Sync must not change anything */
3030 	CU_ASSERT(free_clusters == spdk_bs_free_cluster_count(bs));
3031 	CU_ASSERT(blob_data->active.num_clusters == 5);
3032 
3033 	/* Payload should be all zeros from unallocated clusters */
3034 	memset(payload_read, 0xAA, sizeof(payload_read));
3035 	iov_read[0].iov_base = payload_read;
3036 	iov_read[0].iov_len = 3 * 4096;
3037 	iov_read[1].iov_base = payload_read + 3 * 4096;
3038 	iov_read[1].iov_len = 4 * 4096;
3039 	iov_read[2].iov_base = payload_read + 7 * 4096;
3040 	iov_read[2].iov_len = 3 * 4096;
3041 	spdk_bs_io_readv_blob(blob, channel, iov_read, 3, 250, 10, blob_op_complete, NULL);
3042 	CU_ASSERT(g_bserrno == 0);
3043 	CU_ASSERT(memcmp(zero, payload_read, 10 * 4096) == 0);
3044 
3045 	memset(payload_write, 0xE5, sizeof(payload_write));
3046 	iov_write[0].iov_base = payload_write;
3047 	iov_write[0].iov_len = 1 * 4096;
3048 	iov_write[1].iov_base = payload_write + 1 * 4096;
3049 	iov_write[1].iov_len = 5 * 4096;
3050 	iov_write[2].iov_base = payload_write + 6 * 4096;
3051 	iov_write[2].iov_len = 4 * 4096;
3052 
3053 	spdk_bs_io_writev_blob(blob, channel, iov_write, 3, 250, 10, blob_op_complete, NULL);
3054 	CU_ASSERT(g_bserrno == 0);
3055 
3056 	memset(payload_read, 0xAA, sizeof(payload_read));
3057 	iov_read[0].iov_base = payload_read;
3058 	iov_read[0].iov_len = 3 * 4096;
3059 	iov_read[1].iov_base = payload_read + 3 * 4096;
3060 	iov_read[1].iov_len = 4 * 4096;
3061 	iov_read[2].iov_base = payload_read + 7 * 4096;
3062 	iov_read[2].iov_len = 3 * 4096;
3063 	spdk_bs_io_readv_blob(blob, channel, iov_read, 3, 250, 10, blob_op_complete, NULL);
3064 	CU_ASSERT(g_bserrno == 0);
3065 	CU_ASSERT(memcmp(payload_write, payload_read, 10 * 4096) == 0);
3066 
3067 	spdk_blob_close(blob, blob_op_complete, NULL);
3068 	CU_ASSERT(g_bserrno == 0);
3069 
3070 	spdk_bs_free_io_channel(channel);
3071 
3072 	/* Unload the blob store */
3073 	spdk_bs_unload(g_bs, bs_op_complete, NULL);
3074 	CU_ASSERT(g_bserrno == 0);
3075 	g_bs = NULL;
3076 	g_blob = NULL;
3077 	g_blobid = 0;
3078 }
3079 
3080 int main(int argc, char **argv)
3081 {
3082 	CU_pSuite	suite = NULL;
3083 	unsigned int	num_failures;
3084 
3085 	if (CU_initialize_registry() != CUE_SUCCESS) {
3086 		return CU_get_error();
3087 	}
3088 
3089 	suite = CU_add_suite("blob", NULL, NULL);
3090 	if (suite == NULL) {
3091 		CU_cleanup_registry();
3092 		return CU_get_error();
3093 	}
3094 
3095 	if (
3096 		CU_add_test(suite, "blob_init", blob_init) == NULL ||
3097 		CU_add_test(suite, "blob_open", blob_open) == NULL ||
3098 		CU_add_test(suite, "blob_create", blob_create) == NULL ||
3099 		CU_add_test(suite, "blob_thin_provision", blob_thin_provision) == NULL ||
3100 		CU_add_test(suite, "blob_delete", blob_delete) == NULL ||
3101 		CU_add_test(suite, "blob_resize", blob_resize) == NULL ||
3102 		CU_add_test(suite, "blob_read_only", blob_read_only) == NULL ||
3103 		CU_add_test(suite, "channel_ops", channel_ops) == NULL ||
3104 		CU_add_test(suite, "blob_super", blob_super) == NULL ||
3105 		CU_add_test(suite, "blob_write", blob_write) == NULL ||
3106 		CU_add_test(suite, "blob_read", blob_read) == NULL ||
3107 		CU_add_test(suite, "blob_rw_verify", blob_rw_verify) == NULL ||
3108 		CU_add_test(suite, "blob_rw_verify_iov", blob_rw_verify_iov) == NULL ||
3109 		CU_add_test(suite, "blob_rw_verify_iov_nomem", blob_rw_verify_iov_nomem) == NULL ||
3110 		CU_add_test(suite, "blob_rw_iov_read_only", blob_rw_iov_read_only) == NULL ||
3111 		CU_add_test(suite, "blob_unmap", blob_unmap) == NULL ||
3112 		CU_add_test(suite, "blob_iter", blob_iter) == NULL ||
3113 		CU_add_test(suite, "blob_xattr", blob_xattr) == NULL ||
3114 		CU_add_test(suite, "bs_load", bs_load) == NULL ||
3115 		CU_add_test(suite, "bs_unload", bs_unload) == NULL ||
3116 		CU_add_test(suite, "bs_cluster_sz", bs_cluster_sz) == NULL ||
3117 		CU_add_test(suite, "bs_usable_clusters", bs_usable_clusters) == NULL ||
3118 		CU_add_test(suite, "bs_resize_md", bs_resize_md) == NULL ||
3119 		CU_add_test(suite, "bs_destroy", bs_destroy) == NULL ||
3120 		CU_add_test(suite, "bs_type", bs_type) == NULL ||
3121 		CU_add_test(suite, "bs_super_block", bs_super_block) == NULL ||
3122 		CU_add_test(suite, "blob_serialize", blob_serialize) == NULL ||
3123 		CU_add_test(suite, "blob_crc", blob_crc) == NULL ||
3124 		CU_add_test(suite, "super_block_crc", super_block_crc) == NULL ||
3125 		CU_add_test(suite, "blob_dirty_shutdown", blob_dirty_shutdown) == NULL ||
3126 		CU_add_test(suite, "blob_flags", blob_flags) == NULL ||
3127 		CU_add_test(suite, "bs_version", bs_version) == NULL ||
3128 		CU_add_test(suite, "blob_set_xattrs", blob_set_xattrs) == NULL ||
3129 		CU_add_test(suite, "blob_thin_prov_alloc", blob_thin_prov_alloc) == NULL ||
3130 		CU_add_test(suite, "blob_insert_cluster_msg", blob_insert_cluster_msg) == NULL ||
3131 		CU_add_test(suite, "blob_thin_prov_rw", blob_thin_prov_rw) == NULL ||
3132 		CU_add_test(suite, "blob_thin_prov_rw_iov", blob_thin_prov_rw_iov) == NULL
3133 	) {
3134 		CU_cleanup_registry();
3135 		return CU_get_error();
3136 	}
3137 
3138 	g_dev_buffer = calloc(1, DEV_BUFFER_SIZE);
3139 	spdk_allocate_thread(_bs_send_msg, NULL, NULL, NULL, "thread0");
3140 	CU_basic_set_mode(CU_BRM_VERBOSE);
3141 	CU_basic_run_tests();
3142 	num_failures = CU_get_number_of_failures();
3143 	CU_cleanup_registry();
3144 	spdk_free_thread();
3145 	free(g_dev_buffer);
3146 	return num_failures;
3147 }
3148