dmu_traverse.c (225736) | dmu_traverse.c (243674) |
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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 --- 6 unchanged lines hidden (view full) --- 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. | 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 --- 6 unchanged lines hidden (view full) --- 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. |
23 * Copyright (c) 2012 by Delphix. All rights reserved. |
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23 */ 24 25#include <sys/zfs_context.h> 26#include <sys/dmu_objset.h> 27#include <sys/dmu_traverse.h> 28#include <sys/dsl_dataset.h> 29#include <sys/dsl_dir.h> 30#include <sys/dsl_pool.h> --- 17 unchanged lines hidden (view full) --- 48 boolean_t pd_exited; 49} prefetch_data_t; 50 51typedef struct traverse_data { 52 spa_t *td_spa; 53 uint64_t td_objset; 54 blkptr_t *td_rootbp; 55 uint64_t td_min_txg; | 24 */ 25 26#include <sys/zfs_context.h> 27#include <sys/dmu_objset.h> 28#include <sys/dmu_traverse.h> 29#include <sys/dsl_dataset.h> 30#include <sys/dsl_dir.h> 31#include <sys/dsl_pool.h> --- 17 unchanged lines hidden (view full) --- 49 boolean_t pd_exited; 50} prefetch_data_t; 51 52typedef struct traverse_data { 53 spa_t *td_spa; 54 uint64_t td_objset; 55 blkptr_t *td_rootbp; 56 uint64_t td_min_txg; |
57 zbookmark_t *td_resume; |
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56 int td_flags; 57 prefetch_data_t *td_pfd; 58 blkptr_cb_t *td_func; 59 void *td_arg; 60} traverse_data_t; 61 62static int traverse_dnode(traverse_data_t *td, const dnode_phys_t *dnp, 63 arc_buf_t *buf, uint64_t objset, uint64_t object); | 58 int td_flags; 59 prefetch_data_t *td_pfd; 60 blkptr_cb_t *td_func; 61 void *td_arg; 62} traverse_data_t; 63 64static int traverse_dnode(traverse_data_t *td, const dnode_phys_t *dnp, 65 arc_buf_t *buf, uint64_t objset, uint64_t object); |
66static void prefetch_dnode_metadata(traverse_data_t *td, const dnode_phys_t *, 67 arc_buf_t *buf, uint64_t objset, uint64_t object); |
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64 65static int 66traverse_zil_block(zilog_t *zilog, blkptr_t *bp, void *arg, uint64_t claim_txg) 67{ 68 traverse_data_t *td = arg; 69 zbookmark_t zb; 70 71 if (bp->blk_birth == 0) --- 51 unchanged lines hidden (view full) --- 123 zilog = zil_alloc(spa_get_dsl(td->td_spa)->dp_meta_objset, zh); 124 125 (void) zil_parse(zilog, traverse_zil_block, traverse_zil_record, td, 126 claim_txg); 127 128 zil_free(zilog); 129} 130 | 68 69static int 70traverse_zil_block(zilog_t *zilog, blkptr_t *bp, void *arg, uint64_t claim_txg) 71{ 72 traverse_data_t *td = arg; 73 zbookmark_t zb; 74 75 if (bp->blk_birth == 0) --- 51 unchanged lines hidden (view full) --- 127 zilog = zil_alloc(spa_get_dsl(td->td_spa)->dp_meta_objset, zh); 128 129 (void) zil_parse(zilog, traverse_zil_block, traverse_zil_record, td, 130 claim_txg); 131 132 zil_free(zilog); 133} 134 |
135typedef enum resume_skip { 136 RESUME_SKIP_ALL, 137 RESUME_SKIP_NONE, 138 RESUME_SKIP_CHILDREN 139} resume_skip_t; 140 141/* 142 * Returns RESUME_SKIP_ALL if td indicates that we are resuming a traversal and 143 * the block indicated by zb does not need to be visited at all. Returns 144 * RESUME_SKIP_CHILDREN if we are resuming a post traversal and we reach the 145 * resume point. This indicates that this block should be visited but not its 146 * children (since they must have been visited in a previous traversal). 147 * Otherwise returns RESUME_SKIP_NONE. 148 */ 149static resume_skip_t 150resume_skip_check(traverse_data_t *td, const dnode_phys_t *dnp, 151 const zbookmark_t *zb) 152{ 153 if (td->td_resume != NULL && !ZB_IS_ZERO(td->td_resume)) { 154 /* 155 * If we already visited this bp & everything below, 156 * don't bother doing it again. 157 */ 158 if (zbookmark_is_before(dnp, zb, td->td_resume)) 159 return (RESUME_SKIP_ALL); 160 161 /* 162 * If we found the block we're trying to resume from, zero 163 * the bookmark out to indicate that we have resumed. 164 */ 165 ASSERT3U(zb->zb_object, <=, td->td_resume->zb_object); 166 if (bcmp(zb, td->td_resume, sizeof (*zb)) == 0) { 167 bzero(td->td_resume, sizeof (*zb)); 168 if (td->td_flags & TRAVERSE_POST) 169 return (RESUME_SKIP_CHILDREN); 170 } 171 } 172 return (RESUME_SKIP_NONE); 173} 174 175static void 176traverse_pause(traverse_data_t *td, const zbookmark_t *zb) 177{ 178 ASSERT(td->td_resume != NULL); 179 ASSERT0(zb->zb_level); 180 bcopy(zb, td->td_resume, sizeof (*td->td_resume)); 181} 182 183static void 184traverse_prefetch_metadata(traverse_data_t *td, 185 arc_buf_t *pbuf, const blkptr_t *bp, const zbookmark_t *zb) 186{ 187 uint32_t flags = ARC_NOWAIT | ARC_PREFETCH; 188 189 if (!(td->td_flags & TRAVERSE_PREFETCH_METADATA)) 190 return; 191 /* 192 * If we are in the process of resuming, don't prefetch, because 193 * some children will not be needed (and in fact may have already 194 * been freed). 195 */ 196 if (td->td_resume != NULL && !ZB_IS_ZERO(td->td_resume)) 197 return; 198 if (BP_IS_HOLE(bp) || bp->blk_birth <= td->td_min_txg) 199 return; 200 if (BP_GET_LEVEL(bp) == 0 && BP_GET_TYPE(bp) != DMU_OT_DNODE) 201 return; 202 203 (void) arc_read(NULL, td->td_spa, bp, 204 pbuf, NULL, NULL, ZIO_PRIORITY_ASYNC_READ, 205 ZIO_FLAG_CANFAIL, &flags, zb); 206} 207 |
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131static int 132traverse_visitbp(traverse_data_t *td, const dnode_phys_t *dnp, | 208static int 209traverse_visitbp(traverse_data_t *td, const dnode_phys_t *dnp, |
133 arc_buf_t *pbuf, blkptr_t *bp, const zbookmark_t *zb) | 210 arc_buf_t *pbuf, const blkptr_t *bp, const zbookmark_t *zb) |
134{ 135 zbookmark_t czb; 136 int err = 0, lasterr = 0; 137 arc_buf_t *buf = NULL; 138 prefetch_data_t *pd = td->td_pfd; 139 boolean_t hard = td->td_flags & TRAVERSE_HARD; | 211{ 212 zbookmark_t czb; 213 int err = 0, lasterr = 0; 214 arc_buf_t *buf = NULL; 215 prefetch_data_t *pd = td->td_pfd; 216 boolean_t hard = td->td_flags & TRAVERSE_HARD; |
217 boolean_t pause = B_FALSE; |
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140 | 218 |
141 if (bp->blk_birth == 0) { | 219 switch (resume_skip_check(td, dnp, zb)) { 220 case RESUME_SKIP_ALL: 221 return (0); 222 case RESUME_SKIP_CHILDREN: 223 goto post; 224 case RESUME_SKIP_NONE: 225 break; 226 default: 227 ASSERT(0); 228 } 229 230 if (BP_IS_HOLE(bp)) { |
142 err = td->td_func(td->td_spa, NULL, NULL, pbuf, zb, dnp, 143 td->td_arg); 144 return (err); 145 } 146 147 if (bp->blk_birth <= td->td_min_txg) 148 return (0); 149 --- 9 unchanged lines hidden (view full) --- 159 mutex_exit(&pd->pd_mtx); 160 } 161 162 if (td->td_flags & TRAVERSE_PRE) { 163 err = td->td_func(td->td_spa, NULL, bp, pbuf, zb, dnp, 164 td->td_arg); 165 if (err == TRAVERSE_VISIT_NO_CHILDREN) 166 return (0); | 231 err = td->td_func(td->td_spa, NULL, NULL, pbuf, zb, dnp, 232 td->td_arg); 233 return (err); 234 } 235 236 if (bp->blk_birth <= td->td_min_txg) 237 return (0); 238 --- 9 unchanged lines hidden (view full) --- 248 mutex_exit(&pd->pd_mtx); 249 } 250 251 if (td->td_flags & TRAVERSE_PRE) { 252 err = td->td_func(td->td_spa, NULL, bp, pbuf, zb, dnp, 253 td->td_arg); 254 if (err == TRAVERSE_VISIT_NO_CHILDREN) 255 return (0); |
167 if (err) 168 return (err); | 256 if (err == ERESTART) 257 pause = B_TRUE; /* handle pausing at a common point */ 258 if (err != 0) 259 goto post; |
169 } 170 171 if (BP_GET_LEVEL(bp) > 0) { 172 uint32_t flags = ARC_WAIT; 173 int i; 174 blkptr_t *cbp; 175 int epb = BP_GET_LSIZE(bp) >> SPA_BLKPTRSHIFT; 176 177 err = dsl_read(NULL, td->td_spa, bp, pbuf, 178 arc_getbuf_func, &buf, 179 ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb); 180 if (err) 181 return (err); | 260 } 261 262 if (BP_GET_LEVEL(bp) > 0) { 263 uint32_t flags = ARC_WAIT; 264 int i; 265 blkptr_t *cbp; 266 int epb = BP_GET_LSIZE(bp) >> SPA_BLKPTRSHIFT; 267 268 err = dsl_read(NULL, td->td_spa, bp, pbuf, 269 arc_getbuf_func, &buf, 270 ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb); 271 if (err) 272 return (err); |
273 cbp = buf->b_data; |
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182 | 274 |
275 for (i = 0; i < epb; i++) { 276 SET_BOOKMARK(&czb, zb->zb_objset, zb->zb_object, 277 zb->zb_level - 1, 278 zb->zb_blkid * epb + i); 279 traverse_prefetch_metadata(td, buf, &cbp[i], &czb); 280 } 281 |
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183 /* recursively visitbp() blocks below this */ | 282 /* recursively visitbp() blocks below this */ |
184 cbp = buf->b_data; 185 for (i = 0; i < epb; i++, cbp++) { | 283 for (i = 0; i < epb; i++) { |
186 SET_BOOKMARK(&czb, zb->zb_objset, zb->zb_object, 187 zb->zb_level - 1, 188 zb->zb_blkid * epb + i); | 284 SET_BOOKMARK(&czb, zb->zb_objset, zb->zb_object, 285 zb->zb_level - 1, 286 zb->zb_blkid * epb + i); |
189 err = traverse_visitbp(td, dnp, buf, cbp, &czb); | 287 err = traverse_visitbp(td, dnp, buf, &cbp[i], &czb); |
190 if (err) { 191 if (!hard) 192 break; 193 lasterr = err; 194 } 195 } 196 } else if (BP_GET_TYPE(bp) == DMU_OT_DNODE) { 197 uint32_t flags = ARC_WAIT; 198 int i; 199 int epb = BP_GET_LSIZE(bp) >> DNODE_SHIFT; 200 201 err = dsl_read(NULL, td->td_spa, bp, pbuf, 202 arc_getbuf_func, &buf, 203 ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb); 204 if (err) 205 return (err); | 288 if (err) { 289 if (!hard) 290 break; 291 lasterr = err; 292 } 293 } 294 } else if (BP_GET_TYPE(bp) == DMU_OT_DNODE) { 295 uint32_t flags = ARC_WAIT; 296 int i; 297 int epb = BP_GET_LSIZE(bp) >> DNODE_SHIFT; 298 299 err = dsl_read(NULL, td->td_spa, bp, pbuf, 300 arc_getbuf_func, &buf, 301 ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb); 302 if (err) 303 return (err); |
304 dnp = buf->b_data; |
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206 | 305 |
306 for (i = 0; i < epb; i++) { 307 prefetch_dnode_metadata(td, &dnp[i], buf, zb->zb_objset, 308 zb->zb_blkid * epb + i); 309 } 310 |
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207 /* recursively visitbp() blocks below this */ | 311 /* recursively visitbp() blocks below this */ |
208 dnp = buf->b_data; 209 for (i = 0; i < epb; i++, dnp++) { 210 err = traverse_dnode(td, dnp, buf, zb->zb_objset, | 312 for (i = 0; i < epb; i++) { 313 err = traverse_dnode(td, &dnp[i], buf, zb->zb_objset, |
211 zb->zb_blkid * epb + i); 212 if (err) { 213 if (!hard) 214 break; 215 lasterr = err; 216 } 217 } 218 } else if (BP_GET_TYPE(bp) == DMU_OT_OBJSET) { --- 4 unchanged lines hidden (view full) --- 223 err = dsl_read_nolock(NULL, td->td_spa, bp, 224 arc_getbuf_func, &buf, 225 ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb); 226 if (err) 227 return (err); 228 229 osp = buf->b_data; 230 dnp = &osp->os_meta_dnode; | 314 zb->zb_blkid * epb + i); 315 if (err) { 316 if (!hard) 317 break; 318 lasterr = err; 319 } 320 } 321 } else if (BP_GET_TYPE(bp) == DMU_OT_OBJSET) { --- 4 unchanged lines hidden (view full) --- 326 err = dsl_read_nolock(NULL, td->td_spa, bp, 327 arc_getbuf_func, &buf, 328 ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb); 329 if (err) 330 return (err); 331 332 osp = buf->b_data; 333 dnp = &osp->os_meta_dnode; |
334 prefetch_dnode_metadata(td, dnp, buf, zb->zb_objset, 335 DMU_META_DNODE_OBJECT); 336 if (arc_buf_size(buf) >= sizeof (objset_phys_t)) { 337 prefetch_dnode_metadata(td, &osp->os_userused_dnode, 338 buf, zb->zb_objset, DMU_USERUSED_OBJECT); 339 prefetch_dnode_metadata(td, &osp->os_groupused_dnode, 340 buf, zb->zb_objset, DMU_USERUSED_OBJECT); 341 } 342 |
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231 err = traverse_dnode(td, dnp, buf, zb->zb_objset, 232 DMU_META_DNODE_OBJECT); 233 if (err && hard) { 234 lasterr = err; 235 err = 0; 236 } 237 if (err == 0 && arc_buf_size(buf) >= sizeof (objset_phys_t)) { 238 dnp = &osp->os_userused_dnode; --- 9 unchanged lines hidden (view full) --- 248 err = traverse_dnode(td, dnp, buf, zb->zb_objset, 249 DMU_GROUPUSED_OBJECT); 250 } 251 } 252 253 if (buf) 254 (void) arc_buf_remove_ref(buf, &buf); 255 | 343 err = traverse_dnode(td, dnp, buf, zb->zb_objset, 344 DMU_META_DNODE_OBJECT); 345 if (err && hard) { 346 lasterr = err; 347 err = 0; 348 } 349 if (err == 0 && arc_buf_size(buf) >= sizeof (objset_phys_t)) { 350 dnp = &osp->os_userused_dnode; --- 9 unchanged lines hidden (view full) --- 360 err = traverse_dnode(td, dnp, buf, zb->zb_objset, 361 DMU_GROUPUSED_OBJECT); 362 } 363 } 364 365 if (buf) 366 (void) arc_buf_remove_ref(buf, &buf); 367 |
368post: |
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256 if (err == 0 && lasterr == 0 && (td->td_flags & TRAVERSE_POST)) { 257 err = td->td_func(td->td_spa, NULL, bp, pbuf, zb, dnp, 258 td->td_arg); | 369 if (err == 0 && lasterr == 0 && (td->td_flags & TRAVERSE_POST)) { 370 err = td->td_func(td->td_spa, NULL, bp, pbuf, zb, dnp, 371 td->td_arg); |
372 if (err == ERESTART) 373 pause = B_TRUE; |
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259 } 260 | 374 } 375 |
376 if (pause && td->td_resume != NULL) { 377 ASSERT3U(err, ==, ERESTART); 378 ASSERT(!hard); 379 traverse_pause(td, zb); 380 } 381 |
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261 return (err != 0 ? err : lasterr); 262} 263 | 382 return (err != 0 ? err : lasterr); 383} 384 |
385static void 386prefetch_dnode_metadata(traverse_data_t *td, const dnode_phys_t *dnp, 387 arc_buf_t *buf, uint64_t objset, uint64_t object) 388{ 389 int j; 390 zbookmark_t czb; 391 392 for (j = 0; j < dnp->dn_nblkptr; j++) { 393 SET_BOOKMARK(&czb, objset, object, dnp->dn_nlevels - 1, j); 394 traverse_prefetch_metadata(td, buf, &dnp->dn_blkptr[j], &czb); 395 } 396 397 if (dnp->dn_flags & DNODE_FLAG_SPILL_BLKPTR) { 398 SET_BOOKMARK(&czb, objset, object, 0, DMU_SPILL_BLKID); 399 traverse_prefetch_metadata(td, buf, &dnp->dn_spill, &czb); 400 } 401} 402 |
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264static int 265traverse_dnode(traverse_data_t *td, const dnode_phys_t *dnp, 266 arc_buf_t *buf, uint64_t objset, uint64_t object) 267{ 268 int j, err = 0, lasterr = 0; 269 zbookmark_t czb; 270 boolean_t hard = (td->td_flags & TRAVERSE_HARD); 271 272 for (j = 0; j < dnp->dn_nblkptr; j++) { 273 SET_BOOKMARK(&czb, objset, object, dnp->dn_nlevels - 1, j); | 403static int 404traverse_dnode(traverse_data_t *td, const dnode_phys_t *dnp, 405 arc_buf_t *buf, uint64_t objset, uint64_t object) 406{ 407 int j, err = 0, lasterr = 0; 408 zbookmark_t czb; 409 boolean_t hard = (td->td_flags & TRAVERSE_HARD); 410 411 for (j = 0; j < dnp->dn_nblkptr; j++) { 412 SET_BOOKMARK(&czb, objset, object, dnp->dn_nlevels - 1, j); |
274 err = traverse_visitbp(td, dnp, buf, 275 (blkptr_t *)&dnp->dn_blkptr[j], &czb); | 413 err = traverse_visitbp(td, dnp, buf, &dnp->dn_blkptr[j], &czb); |
276 if (err) { 277 if (!hard) 278 break; 279 lasterr = err; 280 } 281 } 282 283 if (dnp->dn_flags & DNODE_FLAG_SPILL_BLKPTR) { | 414 if (err) { 415 if (!hard) 416 break; 417 lasterr = err; 418 } 419 } 420 421 if (dnp->dn_flags & DNODE_FLAG_SPILL_BLKPTR) { |
284 SET_BOOKMARK(&czb, objset, 285 object, 0, DMU_SPILL_BLKID); 286 err = traverse_visitbp(td, dnp, buf, 287 (blkptr_t *)&dnp->dn_spill, &czb); | 422 SET_BOOKMARK(&czb, objset, object, 0, DMU_SPILL_BLKID); 423 err = traverse_visitbp(td, dnp, buf, &dnp->dn_spill, &czb); |
288 if (err) { 289 if (!hard) 290 return (err); 291 lasterr = err; 292 } 293 } 294 return (err != 0 ? err : lasterr); 295} --- 52 unchanged lines hidden (view full) --- 348 mutex_exit(&td_main->td_pfd->pd_mtx); 349} 350 351/* 352 * NB: dataset must not be changing on-disk (eg, is a snapshot or we are 353 * in syncing context). 354 */ 355static int | 424 if (err) { 425 if (!hard) 426 return (err); 427 lasterr = err; 428 } 429 } 430 return (err != 0 ? err : lasterr); 431} --- 52 unchanged lines hidden (view full) --- 484 mutex_exit(&td_main->td_pfd->pd_mtx); 485} 486 487/* 488 * NB: dataset must not be changing on-disk (eg, is a snapshot or we are 489 * in syncing context). 490 */ 491static int |
356traverse_impl(spa_t *spa, dsl_dataset_t *ds, blkptr_t *rootbp, 357 uint64_t txg_start, int flags, blkptr_cb_t func, void *arg) | 492traverse_impl(spa_t *spa, dsl_dataset_t *ds, uint64_t objset, blkptr_t *rootbp, 493 uint64_t txg_start, zbookmark_t *resume, int flags, 494 blkptr_cb_t func, void *arg) |
358{ 359 traverse_data_t td; 360 prefetch_data_t pd = { 0 }; 361 zbookmark_t czb; 362 int err; 363 | 495{ 496 traverse_data_t td; 497 prefetch_data_t pd = { 0 }; 498 zbookmark_t czb; 499 int err; 500 |
501 ASSERT(ds == NULL || objset == ds->ds_object); 502 ASSERT(!(flags & TRAVERSE_PRE) || !(flags & TRAVERSE_POST)); 503 504 /* 505 * The data prefetching mechanism (the prefetch thread) is incompatible 506 * with resuming from a bookmark. 507 */ 508 ASSERT(resume == NULL || !(flags & TRAVERSE_PREFETCH_DATA)); 509 |
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364 td.td_spa = spa; | 510 td.td_spa = spa; |
365 td.td_objset = ds ? ds->ds_object : 0; | 511 td.td_objset = objset; |
366 td.td_rootbp = rootbp; 367 td.td_min_txg = txg_start; | 512 td.td_rootbp = rootbp; 513 td.td_min_txg = txg_start; |
514 td.td_resume = resume; |
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368 td.td_func = func; 369 td.td_arg = arg; 370 td.td_pfd = &pd; 371 td.td_flags = flags; 372 373 pd.pd_blks_max = zfs_pd_blks_max; 374 pd.pd_flags = flags; 375 mutex_init(&pd.pd_mtx, NULL, MUTEX_DEFAULT, NULL); --- 5 unchanged lines hidden (view full) --- 381 382 err = dmu_objset_from_ds(ds, &os); 383 if (err) 384 return (err); 385 386 traverse_zil(&td, &os->os_zil_header); 387 } 388 | 515 td.td_func = func; 516 td.td_arg = arg; 517 td.td_pfd = &pd; 518 td.td_flags = flags; 519 520 pd.pd_blks_max = zfs_pd_blks_max; 521 pd.pd_flags = flags; 522 mutex_init(&pd.pd_mtx, NULL, MUTEX_DEFAULT, NULL); --- 5 unchanged lines hidden (view full) --- 528 529 err = dmu_objset_from_ds(ds, &os); 530 if (err) 531 return (err); 532 533 traverse_zil(&td, &os->os_zil_header); 534 } 535 |
389 if (!(flags & TRAVERSE_PREFETCH) || | 536 if (!(flags & TRAVERSE_PREFETCH_DATA) || |
390 0 == taskq_dispatch(system_taskq, traverse_prefetch_thread, 391 &td, TQ_NOQUEUE)) 392 pd.pd_exited = B_TRUE; 393 394 SET_BOOKMARK(&czb, td.td_objset, 395 ZB_ROOT_OBJECT, ZB_ROOT_LEVEL, ZB_ROOT_BLKID); 396 err = traverse_visitbp(&td, NULL, NULL, rootbp, &czb); 397 --- 13 unchanged lines hidden (view full) --- 411/* 412 * NB: dataset must not be changing on-disk (eg, is a snapshot or we are 413 * in syncing context). 414 */ 415int 416traverse_dataset(dsl_dataset_t *ds, uint64_t txg_start, int flags, 417 blkptr_cb_t func, void *arg) 418{ | 537 0 == taskq_dispatch(system_taskq, traverse_prefetch_thread, 538 &td, TQ_NOQUEUE)) 539 pd.pd_exited = B_TRUE; 540 541 SET_BOOKMARK(&czb, td.td_objset, 542 ZB_ROOT_OBJECT, ZB_ROOT_LEVEL, ZB_ROOT_BLKID); 543 err = traverse_visitbp(&td, NULL, NULL, rootbp, &czb); 544 --- 13 unchanged lines hidden (view full) --- 558/* 559 * NB: dataset must not be changing on-disk (eg, is a snapshot or we are 560 * in syncing context). 561 */ 562int 563traverse_dataset(dsl_dataset_t *ds, uint64_t txg_start, int flags, 564 blkptr_cb_t func, void *arg) 565{ |
419 return (traverse_impl(ds->ds_dir->dd_pool->dp_spa, ds, 420 &ds->ds_phys->ds_bp, txg_start, flags, func, arg)); | 566 return (traverse_impl(ds->ds_dir->dd_pool->dp_spa, ds, ds->ds_object, 567 &ds->ds_phys->ds_bp, txg_start, NULL, flags, func, arg)); |
421} 422 | 568} 569 |
570int 571traverse_dataset_destroyed(spa_t *spa, blkptr_t *blkptr, 572 uint64_t txg_start, zbookmark_t *resume, int flags, 573 blkptr_cb_t func, void *arg) 574{ 575 return (traverse_impl(spa, NULL, ZB_DESTROYED_OBJSET, 576 blkptr, txg_start, resume, flags, func, arg)); 577} 578 |
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423/* 424 * NB: pool must not be changing on-disk (eg, from zdb or sync context). 425 */ 426int 427traverse_pool(spa_t *spa, uint64_t txg_start, int flags, 428 blkptr_cb_t func, void *arg) 429{ 430 int err, lasterr = 0; 431 uint64_t obj; 432 dsl_pool_t *dp = spa_get_dsl(spa); 433 objset_t *mos = dp->dp_meta_objset; 434 boolean_t hard = (flags & TRAVERSE_HARD); 435 436 /* visit the MOS */ | 579/* 580 * NB: pool must not be changing on-disk (eg, from zdb or sync context). 581 */ 582int 583traverse_pool(spa_t *spa, uint64_t txg_start, int flags, 584 blkptr_cb_t func, void *arg) 585{ 586 int err, lasterr = 0; 587 uint64_t obj; 588 dsl_pool_t *dp = spa_get_dsl(spa); 589 objset_t *mos = dp->dp_meta_objset; 590 boolean_t hard = (flags & TRAVERSE_HARD); 591 592 /* visit the MOS */ |
437 err = traverse_impl(spa, NULL, spa_get_rootblkptr(spa), 438 txg_start, flags, func, arg); | 593 err = traverse_impl(spa, NULL, 0, spa_get_rootblkptr(spa), 594 txg_start, NULL, flags, func, arg); |
439 if (err) 440 return (err); 441 442 /* visit each dataset */ 443 for (obj = 1; err == 0 || (err != ESRCH && hard); 444 err = dmu_object_next(mos, &obj, FALSE, txg_start)) { 445 dmu_object_info_t doi; 446 --- 36 unchanged lines hidden --- | 595 if (err) 596 return (err); 597 598 /* visit each dataset */ 599 for (obj = 1; err == 0 || (err != ESRCH && hard); 600 err = dmu_object_next(mos, &obj, FALSE, txg_start)) { 601 dmu_object_info_t doi; 602 --- 36 unchanged lines hidden --- |