root/fs/xfs/xfs_rmap_item.c

DEFINITIONS

1. RUI_ITEM
2. xfs_rui_item_free
3. xfs_rui_release
4. xfs_rui_item_size
5. xfs_rui_item_format
6. xfs_rui_item_unpin
7. xfs_rui_item_release
8. xfs_rui_init
9. xfs_rui_copy_format
10. RUD_ITEM
11. xfs_rud_item_size
12. xfs_rud_item_format
13. xfs_rud_item_release
14. xfs_trans_get_rud
15. xfs_trans_set_rmap_flags
16. xfs_trans_log_finish_rmap_update
17. xfs_rmap_update_diff_items
18. xfs_rmap_update_create_intent
19. xfs_rmap_update_log_item
20. xfs_rmap_update_create_done
21. xfs_rmap_update_finish_item
22. xfs_rmap_update_finish_cleanup
23. xfs_rmap_update_abort_intent
24. xfs_rmap_update_cancel_item
25. xfs_rui_recover

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (C) 2016 Oracle.  All Rights Reserved.
   4  * Author: Darrick J. Wong <darrick.wong@oracle.com>
   5  */
   6 #include "xfs.h"
   7 #include "xfs_fs.h"
   8 #include "xfs_format.h"
   9 #include "xfs_log_format.h"
  10 #include "xfs_trans_resv.h"
  11 #include "xfs_bit.h"
  12 #include "xfs_shared.h"
  13 #include "xfs_mount.h"
  14 #include "xfs_defer.h"
  15 #include "xfs_trans.h"
  16 #include "xfs_trans_priv.h"
  17 #include "xfs_rmap_item.h"
  18 #include "xfs_log.h"
  19 #include "xfs_rmap.h"
  20 
  21 
  22 kmem_zone_t     *xfs_rui_zone;
  23 kmem_zone_t     *xfs_rud_zone;
  24 
  25 static inline struct xfs_rui_log_item *RUI_ITEM(struct xfs_log_item *lip)
  26 {
  27         return container_of(lip, struct xfs_rui_log_item, rui_item);
  28 }
  29 
  30 void
  31 xfs_rui_item_free(
  32         struct xfs_rui_log_item *ruip)
  33 {
  34         if (ruip->rui_format.rui_nextents > XFS_RUI_MAX_FAST_EXTENTS)
  35                 kmem_free(ruip);
  36         else
  37                 kmem_zone_free(xfs_rui_zone, ruip);
  38 }
  39 
  40 /*
  41  * Freeing the RUI requires that we remove it from the AIL if it has already
  42  * been placed there. However, the RUI may not yet have been placed in the AIL
  43  * when called by xfs_rui_release() from RUD processing due to the ordering of
  44  * committed vs unpin operations in bulk insert operations. Hence the reference
  45  * count to ensure only the last caller frees the RUI.
  46  */
  47 void
  48 xfs_rui_release(
  49         struct xfs_rui_log_item *ruip)
  50 {
  51         ASSERT(atomic_read(&ruip->rui_refcount) > 0);
  52         if (atomic_dec_and_test(&ruip->rui_refcount)) {
  53                 xfs_trans_ail_remove(&ruip->rui_item, SHUTDOWN_LOG_IO_ERROR);
  54                 xfs_rui_item_free(ruip);
  55         }
  56 }
  57 
  58 STATIC void
  59 xfs_rui_item_size(
  60         struct xfs_log_item     *lip,
  61         int                     *nvecs,
  62         int                     *nbytes)
  63 {
  64         struct xfs_rui_log_item *ruip = RUI_ITEM(lip);
  65 
  66         *nvecs += 1;
  67         *nbytes += xfs_rui_log_format_sizeof(ruip->rui_format.rui_nextents);
  68 }
  69 
  70 /*
  71  * This is called to fill in the vector of log iovecs for the
  72  * given rui log item. We use only 1 iovec, and we point that
  73  * at the rui_log_format structure embedded in the rui item.
  74  * It is at this point that we assert that all of the extent
  75  * slots in the rui item have been filled.
  76  */
  77 STATIC void
  78 xfs_rui_item_format(
  79         struct xfs_log_item     *lip,
  80         struct xfs_log_vec      *lv)
  81 {
  82         struct xfs_rui_log_item *ruip = RUI_ITEM(lip);
  83         struct xfs_log_iovec    *vecp = NULL;
  84 
  85         ASSERT(atomic_read(&ruip->rui_next_extent) ==
  86                         ruip->rui_format.rui_nextents);
  87 
  88         ruip->rui_format.rui_type = XFS_LI_RUI;
  89         ruip->rui_format.rui_size = 1;
  90 
  91         xlog_copy_iovec(lv, &vecp, XLOG_REG_TYPE_RUI_FORMAT, &ruip->rui_format,
  92                         xfs_rui_log_format_sizeof(ruip->rui_format.rui_nextents));
  93 }
  94 
  95 /*
  96  * The unpin operation is the last place an RUI is manipulated in the log. It is
  97  * either inserted in the AIL or aborted in the event of a log I/O error. In
  98  * either case, the RUI transaction has been successfully committed to make it
  99  * this far. Therefore, we expect whoever committed the RUI to either construct
 100  * and commit the RUD or drop the RUD's reference in the event of error. Simply
 101  * drop the log's RUI reference now that the log is done with it.
 102  */
 103 STATIC void
 104 xfs_rui_item_unpin(
 105         struct xfs_log_item     *lip,
 106         int                     remove)
 107 {
 108         struct xfs_rui_log_item *ruip = RUI_ITEM(lip);
 109 
 110         xfs_rui_release(ruip);
 111 }
 112 
 113 /*
 114  * The RUI has been either committed or aborted if the transaction has been
 115  * cancelled. If the transaction was cancelled, an RUD isn't going to be
 116  * constructed and thus we free the RUI here directly.
 117  */
 118 STATIC void
 119 xfs_rui_item_release(
 120         struct xfs_log_item     *lip)
 121 {
 122         xfs_rui_release(RUI_ITEM(lip));
 123 }
 124 
 125 static const struct xfs_item_ops xfs_rui_item_ops = {
 126         .iop_size       = xfs_rui_item_size,
 127         .iop_format     = xfs_rui_item_format,
 128         .iop_unpin      = xfs_rui_item_unpin,
 129         .iop_release    = xfs_rui_item_release,
 130 };
 131 
 132 /*
 133  * Allocate and initialize an rui item with the given number of extents.
 134  */
 135 struct xfs_rui_log_item *
 136 xfs_rui_init(
 137         struct xfs_mount                *mp,
 138         uint                            nextents)
 139 
 140 {
 141         struct xfs_rui_log_item         *ruip;
 142 
 143         ASSERT(nextents > 0);
 144         if (nextents > XFS_RUI_MAX_FAST_EXTENTS)
 145                 ruip = kmem_zalloc(xfs_rui_log_item_sizeof(nextents), 0);
 146         else
 147                 ruip = kmem_zone_zalloc(xfs_rui_zone, 0);
 148 
 149         xfs_log_item_init(mp, &ruip->rui_item, XFS_LI_RUI, &xfs_rui_item_ops);
 150         ruip->rui_format.rui_nextents = nextents;
 151         ruip->rui_format.rui_id = (uintptr_t)(void *)ruip;
 152         atomic_set(&ruip->rui_next_extent, 0);
 153         atomic_set(&ruip->rui_refcount, 2);
 154 
 155         return ruip;
 156 }
 157 
 158 /*
 159  * Copy an RUI format buffer from the given buf, and into the destination
 160  * RUI format structure.  The RUI/RUD items were designed not to need any
 161  * special alignment handling.
 162  */
 163 int
 164 xfs_rui_copy_format(
 165         struct xfs_log_iovec            *buf,
 166         struct xfs_rui_log_format       *dst_rui_fmt)
 167 {
 168         struct xfs_rui_log_format       *src_rui_fmt;
 169         uint                            len;
 170 
 171         src_rui_fmt = buf->i_addr;
 172         len = xfs_rui_log_format_sizeof(src_rui_fmt->rui_nextents);
 173 
 174         if (buf->i_len != len)
 175                 return -EFSCORRUPTED;
 176 
 177         memcpy(dst_rui_fmt, src_rui_fmt, len);
 178         return 0;
 179 }
 180 
 181 static inline struct xfs_rud_log_item *RUD_ITEM(struct xfs_log_item *lip)
 182 {
 183         return container_of(lip, struct xfs_rud_log_item, rud_item);
 184 }
 185 
 186 STATIC void
 187 xfs_rud_item_size(
 188         struct xfs_log_item     *lip,
 189         int                     *nvecs,
 190         int                     *nbytes)
 191 {
 192         *nvecs += 1;
 193         *nbytes += sizeof(struct xfs_rud_log_format);
 194 }
 195 
 196 /*
 197  * This is called to fill in the vector of log iovecs for the
 198  * given rud log item. We use only 1 iovec, and we point that
 199  * at the rud_log_format structure embedded in the rud item.
 200  * It is at this point that we assert that all of the extent
 201  * slots in the rud item have been filled.
 202  */
 203 STATIC void
 204 xfs_rud_item_format(
 205         struct xfs_log_item     *lip,
 206         struct xfs_log_vec      *lv)
 207 {
 208         struct xfs_rud_log_item *rudp = RUD_ITEM(lip);
 209         struct xfs_log_iovec    *vecp = NULL;
 210 
 211         rudp->rud_format.rud_type = XFS_LI_RUD;
 212         rudp->rud_format.rud_size = 1;
 213 
 214         xlog_copy_iovec(lv, &vecp, XLOG_REG_TYPE_RUD_FORMAT, &rudp->rud_format,
 215                         sizeof(struct xfs_rud_log_format));
 216 }
 217 
 218 /*
 219  * The RUD is either committed or aborted if the transaction is cancelled. If
 220  * the transaction is cancelled, drop our reference to the RUI and free the
 221  * RUD.
 222  */
 223 STATIC void
 224 xfs_rud_item_release(
 225         struct xfs_log_item     *lip)
 226 {
 227         struct xfs_rud_log_item *rudp = RUD_ITEM(lip);
 228 
 229         xfs_rui_release(rudp->rud_ruip);
 230         kmem_zone_free(xfs_rud_zone, rudp);
 231 }
 232 
 233 static const struct xfs_item_ops xfs_rud_item_ops = {
 234         .flags          = XFS_ITEM_RELEASE_WHEN_COMMITTED,
 235         .iop_size       = xfs_rud_item_size,
 236         .iop_format     = xfs_rud_item_format,
 237         .iop_release    = xfs_rud_item_release,
 238 };
 239 
 240 static struct xfs_rud_log_item *
 241 xfs_trans_get_rud(
 242         struct xfs_trans                *tp,
 243         struct xfs_rui_log_item         *ruip)
 244 {
 245         struct xfs_rud_log_item         *rudp;
 246 
 247         rudp = kmem_zone_zalloc(xfs_rud_zone, 0);
 248         xfs_log_item_init(tp->t_mountp, &rudp->rud_item, XFS_LI_RUD,
 249                           &xfs_rud_item_ops);
 250         rudp->rud_ruip = ruip;
 251         rudp->rud_format.rud_rui_id = ruip->rui_format.rui_id;
 252 
 253         xfs_trans_add_item(tp, &rudp->rud_item);
 254         return rudp;
 255 }
 256 
 257 /* Set the map extent flags for this reverse mapping. */
 258 static void
 259 xfs_trans_set_rmap_flags(
 260         struct xfs_map_extent           *rmap,
 261         enum xfs_rmap_intent_type       type,
 262         int                             whichfork,
 263         xfs_exntst_t                    state)
 264 {
 265         rmap->me_flags = 0;
 266         if (state == XFS_EXT_UNWRITTEN)
 267                 rmap->me_flags |= XFS_RMAP_EXTENT_UNWRITTEN;
 268         if (whichfork == XFS_ATTR_FORK)
 269                 rmap->me_flags |= XFS_RMAP_EXTENT_ATTR_FORK;
 270         switch (type) {
 271         case XFS_RMAP_MAP:
 272                 rmap->me_flags |= XFS_RMAP_EXTENT_MAP;
 273                 break;
 274         case XFS_RMAP_MAP_SHARED:
 275                 rmap->me_flags |= XFS_RMAP_EXTENT_MAP_SHARED;
 276                 break;
 277         case XFS_RMAP_UNMAP:
 278                 rmap->me_flags |= XFS_RMAP_EXTENT_UNMAP;
 279                 break;
 280         case XFS_RMAP_UNMAP_SHARED:
 281                 rmap->me_flags |= XFS_RMAP_EXTENT_UNMAP_SHARED;
 282                 break;
 283         case XFS_RMAP_CONVERT:
 284                 rmap->me_flags |= XFS_RMAP_EXTENT_CONVERT;
 285                 break;
 286         case XFS_RMAP_CONVERT_SHARED:
 287                 rmap->me_flags |= XFS_RMAP_EXTENT_CONVERT_SHARED;
 288                 break;
 289         case XFS_RMAP_ALLOC:
 290                 rmap->me_flags |= XFS_RMAP_EXTENT_ALLOC;
 291                 break;
 292         case XFS_RMAP_FREE:
 293                 rmap->me_flags |= XFS_RMAP_EXTENT_FREE;
 294                 break;
 295         default:
 296                 ASSERT(0);
 297         }
 298 }
 299 
 300 /*
 301  * Finish an rmap update and log it to the RUD. Note that the transaction is
 302  * marked dirty regardless of whether the rmap update succeeds or fails to
 303  * support the RUI/RUD lifecycle rules.
 304  */
 305 static int
 306 xfs_trans_log_finish_rmap_update(
 307         struct xfs_trans                *tp,
 308         struct xfs_rud_log_item         *rudp,
 309         enum xfs_rmap_intent_type       type,
 310         uint64_t                        owner,
 311         int                             whichfork,
 312         xfs_fileoff_t                   startoff,
 313         xfs_fsblock_t                   startblock,
 314         xfs_filblks_t                   blockcount,
 315         xfs_exntst_t                    state,
 316         struct xfs_btree_cur            **pcur)
 317 {
 318         int                             error;
 319 
 320         error = xfs_rmap_finish_one(tp, type, owner, whichfork, startoff,
 321                         startblock, blockcount, state, pcur);
 322 
 323         /*
 324          * Mark the transaction dirty, even on error. This ensures the
 325          * transaction is aborted, which:
 326          *
 327          * 1.) releases the RUI and frees the RUD
 328          * 2.) shuts down the filesystem
 329          */
 330         tp->t_flags |= XFS_TRANS_DIRTY;
 331         set_bit(XFS_LI_DIRTY, &rudp->rud_item.li_flags);
 332 
 333         return error;
 334 }
 335 
 336 /* Sort rmap intents by AG. */
 337 static int
 338 xfs_rmap_update_diff_items(
 339         void                            *priv,
 340         struct list_head                *a,
 341         struct list_head                *b)
 342 {
 343         struct xfs_mount                *mp = priv;
 344         struct xfs_rmap_intent          *ra;
 345         struct xfs_rmap_intent          *rb;
 346 
 347         ra = container_of(a, struct xfs_rmap_intent, ri_list);
 348         rb = container_of(b, struct xfs_rmap_intent, ri_list);
 349         return  XFS_FSB_TO_AGNO(mp, ra->ri_bmap.br_startblock) -
 350                 XFS_FSB_TO_AGNO(mp, rb->ri_bmap.br_startblock);
 351 }
 352 
 353 /* Get an RUI. */
 354 STATIC void *
 355 xfs_rmap_update_create_intent(
 356         struct xfs_trans                *tp,
 357         unsigned int                    count)
 358 {
 359         struct xfs_rui_log_item         *ruip;
 360 
 361         ASSERT(tp != NULL);
 362         ASSERT(count > 0);
 363 
 364         ruip = xfs_rui_init(tp->t_mountp, count);
 365         ASSERT(ruip != NULL);
 366 
 367         /*
 368          * Get a log_item_desc to point at the new item.
 369          */
 370         xfs_trans_add_item(tp, &ruip->rui_item);
 371         return ruip;
 372 }
 373 
 374 /* Log rmap updates in the intent item. */
 375 STATIC void
 376 xfs_rmap_update_log_item(
 377         struct xfs_trans                *tp,
 378         void                            *intent,
 379         struct list_head                *item)
 380 {
 381         struct xfs_rui_log_item         *ruip = intent;
 382         struct xfs_rmap_intent          *rmap;
 383         uint                            next_extent;
 384         struct xfs_map_extent           *map;
 385 
 386         rmap = container_of(item, struct xfs_rmap_intent, ri_list);
 387 
 388         tp->t_flags |= XFS_TRANS_DIRTY;
 389         set_bit(XFS_LI_DIRTY, &ruip->rui_item.li_flags);
 390 
 391         /*
 392          * atomic_inc_return gives us the value after the increment;
 393          * we want to use it as an array index so we need to subtract 1 from
 394          * it.
 395          */
 396         next_extent = atomic_inc_return(&ruip->rui_next_extent) - 1;
 397         ASSERT(next_extent < ruip->rui_format.rui_nextents);
 398         map = &ruip->rui_format.rui_extents[next_extent];
 399         map->me_owner = rmap->ri_owner;
 400         map->me_startblock = rmap->ri_bmap.br_startblock;
 401         map->me_startoff = rmap->ri_bmap.br_startoff;
 402         map->me_len = rmap->ri_bmap.br_blockcount;
 403         xfs_trans_set_rmap_flags(map, rmap->ri_type, rmap->ri_whichfork,
 404                         rmap->ri_bmap.br_state);
 405 }
 406 
 407 /* Get an RUD so we can process all the deferred rmap updates. */
 408 STATIC void *
 409 xfs_rmap_update_create_done(
 410         struct xfs_trans                *tp,
 411         void                            *intent,
 412         unsigned int                    count)
 413 {
 414         return xfs_trans_get_rud(tp, intent);
 415 }
 416 
 417 /* Process a deferred rmap update. */
 418 STATIC int
 419 xfs_rmap_update_finish_item(
 420         struct xfs_trans                *tp,
 421         struct list_head                *item,
 422         void                            *done_item,
 423         void                            **state)
 424 {
 425         struct xfs_rmap_intent          *rmap;
 426         int                             error;
 427 
 428         rmap = container_of(item, struct xfs_rmap_intent, ri_list);
 429         error = xfs_trans_log_finish_rmap_update(tp, done_item,
 430                         rmap->ri_type,
 431                         rmap->ri_owner, rmap->ri_whichfork,
 432                         rmap->ri_bmap.br_startoff,
 433                         rmap->ri_bmap.br_startblock,
 434                         rmap->ri_bmap.br_blockcount,
 435                         rmap->ri_bmap.br_state,
 436                         (struct xfs_btree_cur **)state);
 437         kmem_free(rmap);
 438         return error;
 439 }
 440 
 441 /* Clean up after processing deferred rmaps. */
 442 STATIC void
 443 xfs_rmap_update_finish_cleanup(
 444         struct xfs_trans        *tp,
 445         void                    *state,
 446         int                     error)
 447 {
 448         struct xfs_btree_cur    *rcur = state;
 449 
 450         xfs_rmap_finish_one_cleanup(tp, rcur, error);
 451 }
 452 
 453 /* Abort all pending RUIs. */
 454 STATIC void
 455 xfs_rmap_update_abort_intent(
 456         void                            *intent)
 457 {
 458         xfs_rui_release(intent);
 459 }
 460 
 461 /* Cancel a deferred rmap update. */
 462 STATIC void
 463 xfs_rmap_update_cancel_item(
 464         struct list_head                *item)
 465 {
 466         struct xfs_rmap_intent          *rmap;
 467 
 468         rmap = container_of(item, struct xfs_rmap_intent, ri_list);
 469         kmem_free(rmap);
 470 }
 471 
 472 const struct xfs_defer_op_type xfs_rmap_update_defer_type = {
 473         .max_items      = XFS_RUI_MAX_FAST_EXTENTS,
 474         .diff_items     = xfs_rmap_update_diff_items,
 475         .create_intent  = xfs_rmap_update_create_intent,
 476         .abort_intent   = xfs_rmap_update_abort_intent,
 477         .log_item       = xfs_rmap_update_log_item,
 478         .create_done    = xfs_rmap_update_create_done,
 479         .finish_item    = xfs_rmap_update_finish_item,
 480         .finish_cleanup = xfs_rmap_update_finish_cleanup,
 481         .cancel_item    = xfs_rmap_update_cancel_item,
 482 };
 483 
 484 /*
 485  * Process an rmap update intent item that was recovered from the log.
 486  * We need to update the rmapbt.
 487  */
 488 int
 489 xfs_rui_recover(
 490         struct xfs_mount                *mp,
 491         struct xfs_rui_log_item         *ruip)
 492 {
 493         int                             i;
 494         int                             error = 0;
 495         struct xfs_map_extent           *rmap;
 496         xfs_fsblock_t                   startblock_fsb;
 497         bool                            op_ok;
 498         struct xfs_rud_log_item         *rudp;
 499         enum xfs_rmap_intent_type       type;
 500         int                             whichfork;
 501         xfs_exntst_t                    state;
 502         struct xfs_trans                *tp;
 503         struct xfs_btree_cur            *rcur = NULL;
 504 
 505         ASSERT(!test_bit(XFS_RUI_RECOVERED, &ruip->rui_flags));
 506 
 507         /*
 508          * First check the validity of the extents described by the
 509          * RUI.  If any are bad, then assume that all are bad and
 510          * just toss the RUI.
 511          */
 512         for (i = 0; i < ruip->rui_format.rui_nextents; i++) {
 513                 rmap = &ruip->rui_format.rui_extents[i];
 514                 startblock_fsb = XFS_BB_TO_FSB(mp,
 515                                    XFS_FSB_TO_DADDR(mp, rmap->me_startblock));
 516                 switch (rmap->me_flags & XFS_RMAP_EXTENT_TYPE_MASK) {
 517                 case XFS_RMAP_EXTENT_MAP:
 518                 case XFS_RMAP_EXTENT_MAP_SHARED:
 519                 case XFS_RMAP_EXTENT_UNMAP:
 520                 case XFS_RMAP_EXTENT_UNMAP_SHARED:
 521                 case XFS_RMAP_EXTENT_CONVERT:
 522                 case XFS_RMAP_EXTENT_CONVERT_SHARED:
 523                 case XFS_RMAP_EXTENT_ALLOC:
 524                 case XFS_RMAP_EXTENT_FREE:
 525                         op_ok = true;
 526                         break;
 527                 default:
 528                         op_ok = false;
 529                         break;
 530                 }
 531                 if (!op_ok || startblock_fsb == 0 ||
 532                     rmap->me_len == 0 ||
 533                     startblock_fsb >= mp->m_sb.sb_dblocks ||
 534                     rmap->me_len >= mp->m_sb.sb_agblocks ||
 535                     (rmap->me_flags & ~XFS_RMAP_EXTENT_FLAGS)) {
 536                         /*
 537                          * This will pull the RUI from the AIL and
 538                          * free the memory associated with it.
 539                          */
 540                         set_bit(XFS_RUI_RECOVERED, &ruip->rui_flags);
 541                         xfs_rui_release(ruip);
 542                         return -EIO;
 543                 }
 544         }
 545 
 546         error = xfs_trans_alloc(mp, &M_RES(mp)->tr_itruncate,
 547                         mp->m_rmap_maxlevels, 0, XFS_TRANS_RESERVE, &tp);
 548         if (error)
 549                 return error;
 550         rudp = xfs_trans_get_rud(tp, ruip);
 551 
 552         for (i = 0; i < ruip->rui_format.rui_nextents; i++) {
 553                 rmap = &ruip->rui_format.rui_extents[i];
 554                 state = (rmap->me_flags & XFS_RMAP_EXTENT_UNWRITTEN) ?
 555                                 XFS_EXT_UNWRITTEN : XFS_EXT_NORM;
 556                 whichfork = (rmap->me_flags & XFS_RMAP_EXTENT_ATTR_FORK) ?
 557                                 XFS_ATTR_FORK : XFS_DATA_FORK;
 558                 switch (rmap->me_flags & XFS_RMAP_EXTENT_TYPE_MASK) {
 559                 case XFS_RMAP_EXTENT_MAP:
 560                         type = XFS_RMAP_MAP;
 561                         break;
 562                 case XFS_RMAP_EXTENT_MAP_SHARED:
 563                         type = XFS_RMAP_MAP_SHARED;
 564                         break;
 565                 case XFS_RMAP_EXTENT_UNMAP:
 566                         type = XFS_RMAP_UNMAP;
 567                         break;
 568                 case XFS_RMAP_EXTENT_UNMAP_SHARED:
 569                         type = XFS_RMAP_UNMAP_SHARED;
 570                         break;
 571                 case XFS_RMAP_EXTENT_CONVERT:
 572                         type = XFS_RMAP_CONVERT;
 573                         break;
 574                 case XFS_RMAP_EXTENT_CONVERT_SHARED:
 575                         type = XFS_RMAP_CONVERT_SHARED;
 576                         break;
 577                 case XFS_RMAP_EXTENT_ALLOC:
 578                         type = XFS_RMAP_ALLOC;
 579                         break;
 580                 case XFS_RMAP_EXTENT_FREE:
 581                         type = XFS_RMAP_FREE;
 582                         break;
 583                 default:
 584                         error = -EFSCORRUPTED;
 585                         goto abort_error;
 586                 }
 587                 error = xfs_trans_log_finish_rmap_update(tp, rudp, type,
 588                                 rmap->me_owner, whichfork,
 589                                 rmap->me_startoff, rmap->me_startblock,
 590                                 rmap->me_len, state, &rcur);
 591                 if (error)
 592                         goto abort_error;
 593 
 594         }
 595 
 596         xfs_rmap_finish_one_cleanup(tp, rcur, error);
 597         set_bit(XFS_RUI_RECOVERED, &ruip->rui_flags);
 598         error = xfs_trans_commit(tp);
 599         return error;
 600 
 601 abort_error:
 602         xfs_rmap_finish_one_cleanup(tp, rcur, error);
 603         xfs_trans_cancel(tp);
 604         return error;
 605 }