]>
Commit | Line | Data |
---|---|---|
428870ff BB |
1 | /* |
2 | * CDDL HEADER START | |
3 | * | |
4 | * The contents of this file are subject to the terms of the | |
5 | * Common Development and Distribution License (the "License"). | |
6 | * You may not use this file except in compliance with the License. | |
7 | * | |
8 | * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE | |
9 | * or http://www.opensolaris.org/os/licensing. | |
10 | * See the License for the specific language governing permissions | |
11 | * and limitations under the License. | |
12 | * | |
13 | * When distributing Covered Code, include this CDDL HEADER in each | |
14 | * file and include the License file at usr/src/OPENSOLARIS.LICENSE. | |
15 | * If applicable, add the following below this CDDL HEADER, with the | |
16 | * fields enclosed by brackets "[]" replaced with your own identifying | |
17 | * information: Portions Copyright [yyyy] [name of copyright owner] | |
18 | * | |
19 | * CDDL HEADER END | |
20 | */ | |
21 | /* | |
22 | * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. | |
330d06f9 | 23 | * Copyright (c) 2011 by Delphix. All rights reserved. |
428870ff BB |
24 | */ |
25 | ||
26 | #include <sys/bpobj.h> | |
27 | #include <sys/zfs_context.h> | |
28 | #include <sys/refcount.h> | |
330d06f9 | 29 | #include <sys/dsl_pool.h> |
428870ff BB |
30 | |
31 | uint64_t | |
32 | bpobj_alloc(objset_t *os, int blocksize, dmu_tx_t *tx) | |
33 | { | |
34 | int size; | |
35 | ||
36 | if (spa_version(dmu_objset_spa(os)) < SPA_VERSION_BPOBJ_ACCOUNT) | |
37 | size = BPOBJ_SIZE_V0; | |
38 | else if (spa_version(dmu_objset_spa(os)) < SPA_VERSION_DEADLISTS) | |
39 | size = BPOBJ_SIZE_V1; | |
40 | else | |
41 | size = sizeof (bpobj_phys_t); | |
42 | ||
43 | return (dmu_object_alloc(os, DMU_OT_BPOBJ, blocksize, | |
44 | DMU_OT_BPOBJ_HDR, size, tx)); | |
45 | } | |
46 | ||
47 | void | |
48 | bpobj_free(objset_t *os, uint64_t obj, dmu_tx_t *tx) | |
49 | { | |
50 | int64_t i; | |
51 | bpobj_t bpo; | |
52 | dmu_object_info_t doi; | |
53 | int epb; | |
54 | dmu_buf_t *dbuf = NULL; | |
55 | ||
56 | VERIFY3U(0, ==, bpobj_open(&bpo, os, obj)); | |
57 | ||
58 | mutex_enter(&bpo.bpo_lock); | |
59 | ||
60 | if (!bpo.bpo_havesubobj || bpo.bpo_phys->bpo_subobjs == 0) | |
61 | goto out; | |
62 | ||
63 | VERIFY3U(0, ==, dmu_object_info(os, bpo.bpo_phys->bpo_subobjs, &doi)); | |
64 | epb = doi.doi_data_block_size / sizeof (uint64_t); | |
65 | ||
66 | for (i = bpo.bpo_phys->bpo_num_subobjs - 1; i >= 0; i--) { | |
67 | uint64_t *objarray; | |
68 | uint64_t offset, blkoff; | |
69 | ||
70 | offset = i * sizeof (uint64_t); | |
71 | blkoff = P2PHASE(i, epb); | |
72 | ||
73 | if (dbuf == NULL || dbuf->db_offset > offset) { | |
74 | if (dbuf) | |
75 | dmu_buf_rele(dbuf, FTAG); | |
76 | VERIFY3U(0, ==, dmu_buf_hold(os, | |
77 | bpo.bpo_phys->bpo_subobjs, offset, FTAG, &dbuf, 0)); | |
78 | } | |
79 | ||
80 | ASSERT3U(offset, >=, dbuf->db_offset); | |
81 | ASSERT3U(offset, <, dbuf->db_offset + dbuf->db_size); | |
82 | ||
83 | objarray = dbuf->db_data; | |
84 | bpobj_free(os, objarray[blkoff], tx); | |
85 | } | |
86 | if (dbuf) { | |
87 | dmu_buf_rele(dbuf, FTAG); | |
88 | dbuf = NULL; | |
89 | } | |
90 | VERIFY3U(0, ==, dmu_object_free(os, bpo.bpo_phys->bpo_subobjs, tx)); | |
91 | ||
92 | out: | |
93 | mutex_exit(&bpo.bpo_lock); | |
94 | bpobj_close(&bpo); | |
95 | ||
96 | VERIFY3U(0, ==, dmu_object_free(os, obj, tx)); | |
97 | } | |
98 | ||
99 | int | |
100 | bpobj_open(bpobj_t *bpo, objset_t *os, uint64_t object) | |
101 | { | |
102 | dmu_object_info_t doi; | |
103 | int err; | |
104 | ||
105 | err = dmu_object_info(os, object, &doi); | |
106 | if (err) | |
107 | return (err); | |
108 | ||
109 | bzero(bpo, sizeof (*bpo)); | |
110 | mutex_init(&bpo->bpo_lock, NULL, MUTEX_DEFAULT, NULL); | |
111 | ||
112 | ASSERT(bpo->bpo_dbuf == NULL); | |
113 | ASSERT(bpo->bpo_phys == NULL); | |
114 | ASSERT(object != 0); | |
115 | ASSERT3U(doi.doi_type, ==, DMU_OT_BPOBJ); | |
116 | ASSERT3U(doi.doi_bonus_type, ==, DMU_OT_BPOBJ_HDR); | |
117 | ||
572e2857 BB |
118 | err = dmu_bonus_hold(os, object, bpo, &bpo->bpo_dbuf); |
119 | if (err) | |
120 | return (err); | |
121 | ||
428870ff BB |
122 | bpo->bpo_os = os; |
123 | bpo->bpo_object = object; | |
124 | bpo->bpo_epb = doi.doi_data_block_size >> SPA_BLKPTRSHIFT; | |
125 | bpo->bpo_havecomp = (doi.doi_bonus_size > BPOBJ_SIZE_V0); | |
126 | bpo->bpo_havesubobj = (doi.doi_bonus_size > BPOBJ_SIZE_V1); | |
428870ff BB |
127 | bpo->bpo_phys = bpo->bpo_dbuf->db_data; |
128 | return (0); | |
129 | } | |
130 | ||
131 | void | |
132 | bpobj_close(bpobj_t *bpo) | |
133 | { | |
134 | /* Lame workaround for closing a bpobj that was never opened. */ | |
135 | if (bpo->bpo_object == 0) | |
136 | return; | |
137 | ||
138 | dmu_buf_rele(bpo->bpo_dbuf, bpo); | |
139 | if (bpo->bpo_cached_dbuf != NULL) | |
140 | dmu_buf_rele(bpo->bpo_cached_dbuf, bpo); | |
141 | bpo->bpo_dbuf = NULL; | |
142 | bpo->bpo_phys = NULL; | |
143 | bpo->bpo_cached_dbuf = NULL; | |
572e2857 | 144 | bpo->bpo_object = 0; |
428870ff BB |
145 | |
146 | mutex_destroy(&bpo->bpo_lock); | |
147 | } | |
148 | ||
149 | static int | |
150 | bpobj_iterate_impl(bpobj_t *bpo, bpobj_itor_t func, void *arg, dmu_tx_t *tx, | |
151 | boolean_t free) | |
152 | { | |
153 | dmu_object_info_t doi; | |
154 | int epb; | |
155 | int64_t i; | |
156 | int err = 0; | |
157 | dmu_buf_t *dbuf = NULL; | |
158 | ||
159 | mutex_enter(&bpo->bpo_lock); | |
160 | ||
161 | if (free) | |
162 | dmu_buf_will_dirty(bpo->bpo_dbuf, tx); | |
163 | ||
164 | for (i = bpo->bpo_phys->bpo_num_blkptrs - 1; i >= 0; i--) { | |
165 | blkptr_t *bparray; | |
166 | blkptr_t *bp; | |
167 | uint64_t offset, blkoff; | |
168 | ||
169 | offset = i * sizeof (blkptr_t); | |
170 | blkoff = P2PHASE(i, bpo->bpo_epb); | |
171 | ||
172 | if (dbuf == NULL || dbuf->db_offset > offset) { | |
173 | if (dbuf) | |
174 | dmu_buf_rele(dbuf, FTAG); | |
175 | err = dmu_buf_hold(bpo->bpo_os, bpo->bpo_object, offset, | |
176 | FTAG, &dbuf, 0); | |
177 | if (err) | |
178 | break; | |
179 | } | |
180 | ||
181 | ASSERT3U(offset, >=, dbuf->db_offset); | |
182 | ASSERT3U(offset, <, dbuf->db_offset + dbuf->db_size); | |
183 | ||
184 | bparray = dbuf->db_data; | |
185 | bp = &bparray[blkoff]; | |
186 | err = func(arg, bp, tx); | |
187 | if (err) | |
188 | break; | |
189 | if (free) { | |
190 | bpo->bpo_phys->bpo_bytes -= | |
191 | bp_get_dsize_sync(dmu_objset_spa(bpo->bpo_os), bp); | |
192 | ASSERT3S(bpo->bpo_phys->bpo_bytes, >=, 0); | |
193 | if (bpo->bpo_havecomp) { | |
194 | bpo->bpo_phys->bpo_comp -= BP_GET_PSIZE(bp); | |
195 | bpo->bpo_phys->bpo_uncomp -= BP_GET_UCSIZE(bp); | |
196 | } | |
197 | bpo->bpo_phys->bpo_num_blkptrs--; | |
198 | ASSERT3S(bpo->bpo_phys->bpo_num_blkptrs, >=, 0); | |
199 | } | |
200 | } | |
201 | if (dbuf) { | |
202 | dmu_buf_rele(dbuf, FTAG); | |
203 | dbuf = NULL; | |
204 | } | |
205 | if (free) { | |
206 | i++; | |
207 | VERIFY3U(0, ==, dmu_free_range(bpo->bpo_os, bpo->bpo_object, | |
208 | i * sizeof (blkptr_t), -1ULL, tx)); | |
209 | } | |
210 | if (err || !bpo->bpo_havesubobj || bpo->bpo_phys->bpo_subobjs == 0) | |
211 | goto out; | |
212 | ||
213 | ASSERT(bpo->bpo_havecomp); | |
214 | err = dmu_object_info(bpo->bpo_os, bpo->bpo_phys->bpo_subobjs, &doi); | |
572e2857 BB |
215 | if (err) { |
216 | mutex_exit(&bpo->bpo_lock); | |
428870ff | 217 | return (err); |
572e2857 | 218 | } |
428870ff BB |
219 | epb = doi.doi_data_block_size / sizeof (uint64_t); |
220 | ||
221 | for (i = bpo->bpo_phys->bpo_num_subobjs - 1; i >= 0; i--) { | |
222 | uint64_t *objarray; | |
223 | uint64_t offset, blkoff; | |
224 | bpobj_t sublist; | |
225 | uint64_t used_before, comp_before, uncomp_before; | |
226 | uint64_t used_after, comp_after, uncomp_after; | |
227 | ||
228 | offset = i * sizeof (uint64_t); | |
229 | blkoff = P2PHASE(i, epb); | |
230 | ||
231 | if (dbuf == NULL || dbuf->db_offset > offset) { | |
232 | if (dbuf) | |
233 | dmu_buf_rele(dbuf, FTAG); | |
234 | err = dmu_buf_hold(bpo->bpo_os, | |
235 | bpo->bpo_phys->bpo_subobjs, offset, FTAG, &dbuf, 0); | |
236 | if (err) | |
237 | break; | |
238 | } | |
239 | ||
240 | ASSERT3U(offset, >=, dbuf->db_offset); | |
241 | ASSERT3U(offset, <, dbuf->db_offset + dbuf->db_size); | |
242 | ||
243 | objarray = dbuf->db_data; | |
244 | err = bpobj_open(&sublist, bpo->bpo_os, objarray[blkoff]); | |
245 | if (err) | |
246 | break; | |
247 | if (free) { | |
248 | err = bpobj_space(&sublist, | |
249 | &used_before, &comp_before, &uncomp_before); | |
250 | if (err) | |
251 | break; | |
252 | } | |
253 | err = bpobj_iterate_impl(&sublist, func, arg, tx, free); | |
254 | if (free) { | |
255 | VERIFY3U(0, ==, bpobj_space(&sublist, | |
256 | &used_after, &comp_after, &uncomp_after)); | |
257 | bpo->bpo_phys->bpo_bytes -= used_before - used_after; | |
258 | ASSERT3S(bpo->bpo_phys->bpo_bytes, >=, 0); | |
572e2857 | 259 | bpo->bpo_phys->bpo_comp -= comp_before - comp_after; |
428870ff BB |
260 | bpo->bpo_phys->bpo_uncomp -= |
261 | uncomp_before - uncomp_after; | |
262 | } | |
263 | ||
264 | bpobj_close(&sublist); | |
265 | if (err) | |
266 | break; | |
267 | if (free) { | |
268 | err = dmu_object_free(bpo->bpo_os, | |
269 | objarray[blkoff], tx); | |
270 | if (err) | |
271 | break; | |
272 | bpo->bpo_phys->bpo_num_subobjs--; | |
273 | ASSERT3S(bpo->bpo_phys->bpo_num_subobjs, >=, 0); | |
274 | } | |
275 | } | |
276 | if (dbuf) { | |
277 | dmu_buf_rele(dbuf, FTAG); | |
278 | dbuf = NULL; | |
279 | } | |
280 | if (free) { | |
281 | VERIFY3U(0, ==, dmu_free_range(bpo->bpo_os, | |
282 | bpo->bpo_phys->bpo_subobjs, | |
283 | (i + 1) * sizeof (uint64_t), -1ULL, tx)); | |
284 | } | |
285 | ||
286 | out: | |
287 | /* If there are no entries, there should be no bytes. */ | |
288 | ASSERT(bpo->bpo_phys->bpo_num_blkptrs > 0 || | |
289 | (bpo->bpo_havesubobj && bpo->bpo_phys->bpo_num_subobjs > 0) || | |
290 | bpo->bpo_phys->bpo_bytes == 0); | |
291 | ||
292 | mutex_exit(&bpo->bpo_lock); | |
293 | return (err); | |
294 | } | |
295 | ||
296 | /* | |
297 | * Iterate and remove the entries. If func returns nonzero, iteration | |
298 | * will stop and that entry will not be removed. | |
299 | */ | |
300 | int | |
301 | bpobj_iterate(bpobj_t *bpo, bpobj_itor_t func, void *arg, dmu_tx_t *tx) | |
302 | { | |
303 | return (bpobj_iterate_impl(bpo, func, arg, tx, B_TRUE)); | |
304 | } | |
305 | ||
306 | /* | |
307 | * Iterate the entries. If func returns nonzero, iteration will stop. | |
308 | */ | |
309 | int | |
310 | bpobj_iterate_nofree(bpobj_t *bpo, bpobj_itor_t func, void *arg, dmu_tx_t *tx) | |
311 | { | |
312 | return (bpobj_iterate_impl(bpo, func, arg, tx, B_FALSE)); | |
313 | } | |
314 | ||
315 | void | |
316 | bpobj_enqueue_subobj(bpobj_t *bpo, uint64_t subobj, dmu_tx_t *tx) | |
317 | { | |
318 | bpobj_t subbpo; | |
572e2857 | 319 | uint64_t used, comp, uncomp, subsubobjs; |
428870ff BB |
320 | |
321 | ASSERT(bpo->bpo_havesubobj); | |
322 | ASSERT(bpo->bpo_havecomp); | |
323 | ||
324 | VERIFY3U(0, ==, bpobj_open(&subbpo, bpo->bpo_os, subobj)); | |
325 | VERIFY3U(0, ==, bpobj_space(&subbpo, &used, &comp, &uncomp)); | |
428870ff BB |
326 | |
327 | if (used == 0) { | |
328 | /* No point in having an empty subobj. */ | |
572e2857 | 329 | bpobj_close(&subbpo); |
428870ff BB |
330 | bpobj_free(bpo->bpo_os, subobj, tx); |
331 | return; | |
332 | } | |
333 | ||
334 | dmu_buf_will_dirty(bpo->bpo_dbuf, tx); | |
335 | if (bpo->bpo_phys->bpo_subobjs == 0) { | |
336 | bpo->bpo_phys->bpo_subobjs = dmu_object_alloc(bpo->bpo_os, | |
337 | DMU_OT_BPOBJ_SUBOBJ, SPA_MAXBLOCKSIZE, DMU_OT_NONE, 0, tx); | |
338 | } | |
339 | ||
340 | mutex_enter(&bpo->bpo_lock); | |
341 | dmu_write(bpo->bpo_os, bpo->bpo_phys->bpo_subobjs, | |
342 | bpo->bpo_phys->bpo_num_subobjs * sizeof (subobj), | |
343 | sizeof (subobj), &subobj, tx); | |
344 | bpo->bpo_phys->bpo_num_subobjs++; | |
572e2857 BB |
345 | |
346 | /* | |
347 | * If subobj has only one block of subobjs, then move subobj's | |
348 | * subobjs to bpo's subobj list directly. This reduces | |
349 | * recursion in bpobj_iterate due to nested subobjs. | |
350 | */ | |
351 | subsubobjs = subbpo.bpo_phys->bpo_subobjs; | |
352 | if (subsubobjs != 0) { | |
353 | dmu_object_info_t doi; | |
354 | ||
355 | VERIFY3U(0, ==, dmu_object_info(bpo->bpo_os, subsubobjs, &doi)); | |
356 | if (doi.doi_max_offset == doi.doi_data_block_size) { | |
357 | dmu_buf_t *subdb; | |
358 | uint64_t numsubsub = subbpo.bpo_phys->bpo_num_subobjs; | |
359 | ||
360 | VERIFY3U(0, ==, dmu_buf_hold(bpo->bpo_os, subsubobjs, | |
361 | 0, FTAG, &subdb, 0)); | |
362 | dmu_write(bpo->bpo_os, bpo->bpo_phys->bpo_subobjs, | |
363 | bpo->bpo_phys->bpo_num_subobjs * sizeof (subobj), | |
364 | numsubsub * sizeof (subobj), subdb->db_data, tx); | |
365 | dmu_buf_rele(subdb, FTAG); | |
366 | bpo->bpo_phys->bpo_num_subobjs += numsubsub; | |
367 | ||
368 | dmu_buf_will_dirty(subbpo.bpo_dbuf, tx); | |
369 | subbpo.bpo_phys->bpo_subobjs = 0; | |
370 | VERIFY3U(0, ==, dmu_object_free(bpo->bpo_os, | |
371 | subsubobjs, tx)); | |
372 | } | |
373 | } | |
428870ff BB |
374 | bpo->bpo_phys->bpo_bytes += used; |
375 | bpo->bpo_phys->bpo_comp += comp; | |
376 | bpo->bpo_phys->bpo_uncomp += uncomp; | |
377 | mutex_exit(&bpo->bpo_lock); | |
572e2857 BB |
378 | |
379 | bpobj_close(&subbpo); | |
428870ff BB |
380 | } |
381 | ||
382 | void | |
383 | bpobj_enqueue(bpobj_t *bpo, const blkptr_t *bp, dmu_tx_t *tx) | |
384 | { | |
385 | blkptr_t stored_bp = *bp; | |
386 | uint64_t offset; | |
387 | int blkoff; | |
388 | blkptr_t *bparray; | |
389 | ||
390 | ASSERT(!BP_IS_HOLE(bp)); | |
391 | ||
392 | /* We never need the fill count. */ | |
393 | stored_bp.blk_fill = 0; | |
394 | ||
395 | /* The bpobj will compress better if we can leave off the checksum */ | |
396 | if (!BP_GET_DEDUP(bp)) | |
397 | bzero(&stored_bp.blk_cksum, sizeof (stored_bp.blk_cksum)); | |
398 | ||
399 | mutex_enter(&bpo->bpo_lock); | |
400 | ||
401 | offset = bpo->bpo_phys->bpo_num_blkptrs * sizeof (stored_bp); | |
402 | blkoff = P2PHASE(bpo->bpo_phys->bpo_num_blkptrs, bpo->bpo_epb); | |
403 | ||
404 | if (bpo->bpo_cached_dbuf == NULL || | |
405 | offset < bpo->bpo_cached_dbuf->db_offset || | |
406 | offset >= bpo->bpo_cached_dbuf->db_offset + | |
407 | bpo->bpo_cached_dbuf->db_size) { | |
408 | if (bpo->bpo_cached_dbuf) | |
409 | dmu_buf_rele(bpo->bpo_cached_dbuf, bpo); | |
410 | VERIFY3U(0, ==, dmu_buf_hold(bpo->bpo_os, bpo->bpo_object, | |
411 | offset, bpo, &bpo->bpo_cached_dbuf, 0)); | |
412 | } | |
413 | ||
414 | dmu_buf_will_dirty(bpo->bpo_cached_dbuf, tx); | |
415 | bparray = bpo->bpo_cached_dbuf->db_data; | |
416 | bparray[blkoff] = stored_bp; | |
417 | ||
418 | dmu_buf_will_dirty(bpo->bpo_dbuf, tx); | |
419 | bpo->bpo_phys->bpo_num_blkptrs++; | |
420 | bpo->bpo_phys->bpo_bytes += | |
421 | bp_get_dsize_sync(dmu_objset_spa(bpo->bpo_os), bp); | |
422 | if (bpo->bpo_havecomp) { | |
423 | bpo->bpo_phys->bpo_comp += BP_GET_PSIZE(bp); | |
424 | bpo->bpo_phys->bpo_uncomp += BP_GET_UCSIZE(bp); | |
425 | } | |
426 | mutex_exit(&bpo->bpo_lock); | |
427 | } | |
428 | ||
429 | struct space_range_arg { | |
430 | spa_t *spa; | |
431 | uint64_t mintxg; | |
432 | uint64_t maxtxg; | |
433 | uint64_t used; | |
434 | uint64_t comp; | |
435 | uint64_t uncomp; | |
436 | }; | |
437 | ||
438 | /* ARGSUSED */ | |
439 | static int | |
440 | space_range_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx) | |
441 | { | |
442 | struct space_range_arg *sra = arg; | |
443 | ||
444 | if (bp->blk_birth > sra->mintxg && bp->blk_birth <= sra->maxtxg) { | |
330d06f9 MA |
445 | if (dsl_pool_sync_context(spa_get_dsl(sra->spa))) |
446 | sra->used += bp_get_dsize_sync(sra->spa, bp); | |
447 | else | |
448 | sra->used += bp_get_dsize(sra->spa, bp); | |
428870ff BB |
449 | sra->comp += BP_GET_PSIZE(bp); |
450 | sra->uncomp += BP_GET_UCSIZE(bp); | |
451 | } | |
452 | return (0); | |
453 | } | |
454 | ||
455 | int | |
456 | bpobj_space(bpobj_t *bpo, uint64_t *usedp, uint64_t *compp, uint64_t *uncompp) | |
457 | { | |
458 | mutex_enter(&bpo->bpo_lock); | |
459 | ||
460 | *usedp = bpo->bpo_phys->bpo_bytes; | |
461 | if (bpo->bpo_havecomp) { | |
462 | *compp = bpo->bpo_phys->bpo_comp; | |
463 | *uncompp = bpo->bpo_phys->bpo_uncomp; | |
464 | mutex_exit(&bpo->bpo_lock); | |
465 | return (0); | |
466 | } else { | |
467 | mutex_exit(&bpo->bpo_lock); | |
468 | return (bpobj_space_range(bpo, 0, UINT64_MAX, | |
469 | usedp, compp, uncompp)); | |
470 | } | |
471 | } | |
472 | ||
473 | /* | |
474 | * Return the amount of space in the bpobj which is: | |
475 | * mintxg < blk_birth <= maxtxg | |
476 | */ | |
477 | int | |
478 | bpobj_space_range(bpobj_t *bpo, uint64_t mintxg, uint64_t maxtxg, | |
479 | uint64_t *usedp, uint64_t *compp, uint64_t *uncompp) | |
480 | { | |
481 | struct space_range_arg sra = { 0 }; | |
482 | int err; | |
483 | ||
484 | /* | |
485 | * As an optimization, if they want the whole txg range, just | |
486 | * get bpo_bytes rather than iterating over the bps. | |
487 | */ | |
488 | if (mintxg < TXG_INITIAL && maxtxg == UINT64_MAX && bpo->bpo_havecomp) | |
489 | return (bpobj_space(bpo, usedp, compp, uncompp)); | |
490 | ||
491 | sra.spa = dmu_objset_spa(bpo->bpo_os); | |
492 | sra.mintxg = mintxg; | |
493 | sra.maxtxg = maxtxg; | |
494 | ||
495 | err = bpobj_iterate_nofree(bpo, space_range_cb, &sra, NULL); | |
496 | *usedp = sra.used; | |
497 | *compp = sra.comp; | |
498 | *uncompp = sra.uncomp; | |
499 | return (err); | |
500 | } |