LCOV - code coverage report
Current view: top level - fs/xfs - xfs_inode_item_recover.c (source / functions) Hit Total Coverage
Test: fstests of 6.5.0-rc3-achx @ Mon Jul 31 20:08:12 PDT 2023 Lines: 161 249 64.7 %
Date: 2023-07-31 20:08:12 Functions: 6 7 85.7 %

          Line data    Source code
       1             : // SPDX-License-Identifier: GPL-2.0
       2             : /*
       3             :  * Copyright (c) 2000-2006 Silicon Graphics, Inc.
       4             :  * All Rights Reserved.
       5             :  */
       6             : #include "xfs.h"
       7             : #include "xfs_fs.h"
       8             : #include "xfs_shared.h"
       9             : #include "xfs_format.h"
      10             : #include "xfs_log_format.h"
      11             : #include "xfs_trans_resv.h"
      12             : #include "xfs_mount.h"
      13             : #include "xfs_inode.h"
      14             : #include "xfs_trans.h"
      15             : #include "xfs_inode_item.h"
      16             : #include "xfs_trace.h"
      17             : #include "xfs_trans_priv.h"
      18             : #include "xfs_buf_item.h"
      19             : #include "xfs_log.h"
      20             : #include "xfs_error.h"
      21             : #include "xfs_log_priv.h"
      22             : #include "xfs_log_recover.h"
      23             : #include "xfs_icache.h"
      24             : #include "xfs_bmap_btree.h"
      25             : 
      26             : STATIC void
      27     8993872 : xlog_recover_inode_ra_pass2(
      28             :         struct xlog                     *log,
      29             :         struct xlog_recover_item        *item)
      30             : {
      31     8993872 :         if (item->ri_buf[0].i_len == sizeof(struct xfs_inode_log_format)) {
      32     8993872 :                 struct xfs_inode_log_format     *ilfp = item->ri_buf[0].i_addr;
      33             : 
      34     8993872 :                 xlog_buf_readahead(log, ilfp->ilf_blkno, ilfp->ilf_len,
      35             :                                    &xfs_inode_buf_ra_ops);
      36             :         } else {
      37           0 :                 struct xfs_inode_log_format_32  *ilfp = item->ri_buf[0].i_addr;
      38             : 
      39           0 :                 xlog_buf_readahead(log, ilfp->ilf_blkno, ilfp->ilf_len,
      40             :                                    &xfs_inode_buf_ra_ops);
      41             :         }
      42     8993872 : }
      43             : 
      44             : /*
      45             :  * Inode fork owner changes
      46             :  *
      47             :  * If we have been told that we have to reparent the inode fork, it's because an
      48             :  * extent swap operation on a CRC enabled filesystem has been done and we are
      49             :  * replaying it. We need to walk the BMBT of the appropriate fork and change the
      50             :  * owners of it.
      51             :  *
      52             :  * The complexity here is that we don't have an inode context to work with, so
      53             :  * after we've replayed the inode we need to instantiate one.  This is where the
      54             :  * fun begins.
      55             :  *
      56             :  * We are in the middle of log recovery, so we can't run transactions. That
      57             :  * means we cannot use cache coherent inode instantiation via xfs_iget(), as
      58             :  * that will result in the corresponding iput() running the inode through
      59             :  * xfs_inactive(). If we've just replayed an inode core that changes the link
      60             :  * count to zero (i.e. it's been unlinked), then xfs_inactive() will run
      61             :  * transactions (bad!).
      62             :  *
      63             :  * So, to avoid this, we instantiate an inode directly from the inode core we've
      64             :  * just recovered. We have the buffer still locked, and all we really need to
      65             :  * instantiate is the inode core and the forks being modified. We can do this
      66             :  * manually, then run the inode btree owner change, and then tear down the
      67             :  * xfs_inode without having to run any transactions at all.
      68             :  *
      69             :  * Also, because we don't have a transaction context available here but need to
      70             :  * gather all the buffers we modify for writeback so we pass the buffer_list
      71             :  * instead for the operation to use.
      72             :  */
      73             : 
      74             : STATIC int
      75           0 : xfs_recover_inode_owner_change(
      76             :         struct xfs_mount        *mp,
      77             :         struct xfs_dinode       *dip,
      78             :         struct xfs_inode_log_format *in_f,
      79             :         struct list_head        *buffer_list)
      80             : {
      81           0 :         struct xfs_inode        *ip;
      82           0 :         int                     error;
      83             : 
      84           0 :         ASSERT(in_f->ilf_fields & (XFS_ILOG_DOWNER|XFS_ILOG_AOWNER));
      85             : 
      86           0 :         ip = xfs_inode_alloc(mp, in_f->ilf_ino);
      87           0 :         if (!ip)
      88             :                 return -ENOMEM;
      89             : 
      90             :         /* instantiate the inode */
      91           0 :         ASSERT(dip->di_version >= 3);
      92             : 
      93           0 :         error = xfs_inode_from_disk(ip, dip);
      94           0 :         if (error)
      95           0 :                 goto out_free_ip;
      96             : 
      97           0 :         if (in_f->ilf_fields & XFS_ILOG_DOWNER) {
      98           0 :                 ASSERT(in_f->ilf_fields & XFS_ILOG_DBROOT);
      99           0 :                 error = xfs_bmbt_change_owner(NULL, ip, XFS_DATA_FORK,
     100             :                                               ip->i_ino, buffer_list);
     101           0 :                 if (error)
     102           0 :                         goto out_free_ip;
     103             :         }
     104             : 
     105           0 :         if (in_f->ilf_fields & XFS_ILOG_AOWNER) {
     106           0 :                 ASSERT(in_f->ilf_fields & XFS_ILOG_ABROOT);
     107           0 :                 error = xfs_bmbt_change_owner(NULL, ip, XFS_ATTR_FORK,
     108             :                                               ip->i_ino, buffer_list);
     109           0 :                 if (error)
     110           0 :                         goto out_free_ip;
     111             :         }
     112             : 
     113           0 : out_free_ip:
     114           0 :         xfs_inode_free(ip);
     115           0 :         return error;
     116             : }
     117             : 
     118             : static inline bool xfs_log_dinode_has_bigtime(const struct xfs_log_dinode *ld)
     119             : {
     120   104761596 :         return ld->di_version >= 3 &&
     121    34920532 :                (ld->di_flags2 & XFS_DIFLAG2_BIGTIME);
     122             : }
     123             : 
     124             : /* Convert a log timestamp to an ondisk timestamp. */
     125             : static inline xfs_timestamp_t
     126    34920532 : xfs_log_dinode_to_disk_ts(
     127             :         struct xfs_log_dinode           *from,
     128             :         const xfs_log_timestamp_t       its)
     129             : {
     130    34920532 :         struct xfs_legacy_timestamp     *lts;
     131    34920532 :         struct xfs_log_legacy_timestamp *lits;
     132    34920532 :         xfs_timestamp_t                 ts;
     133             : 
     134    69841064 :         if (xfs_log_dinode_has_bigtime(from))
     135    34920532 :                 return cpu_to_be64(its);
     136             : 
     137           0 :         lts = (struct xfs_legacy_timestamp *)&ts;
     138           0 :         lits = (struct xfs_log_legacy_timestamp *)&its;
     139           0 :         lts->t_sec = cpu_to_be32(lits->t_sec);
     140           0 :         lts->t_nsec = cpu_to_be32(lits->t_nsec);
     141             : 
     142           0 :         return ts;
     143             : }
     144             : 
     145             : static inline bool xfs_log_dinode_has_large_extent_counts(
     146             :                 const struct xfs_log_dinode *ld)
     147             : {
     148    52380798 :         return ld->di_version >= 3 &&
     149    17460266 :                (ld->di_flags2 & XFS_DIFLAG2_NREXT64);
     150             : }
     151             : 
     152             : static inline void
     153     8730133 : xfs_log_dinode_to_disk_iext_counters(
     154             :         struct xfs_log_dinode   *from,
     155             :         struct xfs_dinode       *to)
     156             : {
     157    17460266 :         if (xfs_log_dinode_has_large_extent_counts(from)) {
     158     8730133 :                 to->di_big_nextents = cpu_to_be64(from->di_big_nextents);
     159     8730133 :                 to->di_big_anextents = cpu_to_be32(from->di_big_anextents);
     160     8730133 :                 to->di_nrext64_pad = cpu_to_be16(from->di_nrext64_pad);
     161             :         } else {
     162           0 :                 to->di_nextents = cpu_to_be32(from->di_nextents);
     163           0 :                 to->di_anextents = cpu_to_be16(from->di_anextents);
     164             :         }
     165             : 
     166     8730133 : }
     167             : 
     168             : STATIC void
     169     8730133 : xfs_log_dinode_to_disk(
     170             :         struct xfs_log_dinode   *from,
     171             :         struct xfs_dinode       *to,
     172             :         xfs_lsn_t               lsn)
     173             : {
     174     8730133 :         to->di_magic = cpu_to_be16(from->di_magic);
     175     8730133 :         to->di_mode = cpu_to_be16(from->di_mode);
     176     8730133 :         to->di_version = from->di_version;
     177     8730133 :         to->di_format = from->di_format;
     178     8730133 :         to->di_onlink = 0;
     179     8730133 :         to->di_uid = cpu_to_be32(from->di_uid);
     180     8730133 :         to->di_gid = cpu_to_be32(from->di_gid);
     181     8730133 :         to->di_nlink = cpu_to_be32(from->di_nlink);
     182     8730133 :         to->di_projid_lo = cpu_to_be16(from->di_projid_lo);
     183     8730133 :         to->di_projid_hi = cpu_to_be16(from->di_projid_hi);
     184             : 
     185     8730133 :         to->di_atime = xfs_log_dinode_to_disk_ts(from, from->di_atime);
     186     8730133 :         to->di_mtime = xfs_log_dinode_to_disk_ts(from, from->di_mtime);
     187     8730133 :         to->di_ctime = xfs_log_dinode_to_disk_ts(from, from->di_ctime);
     188             : 
     189     8730133 :         to->di_size = cpu_to_be64(from->di_size);
     190     8730133 :         to->di_nblocks = cpu_to_be64(from->di_nblocks);
     191     8730133 :         to->di_extsize = cpu_to_be32(from->di_extsize);
     192     8730133 :         to->di_forkoff = from->di_forkoff;
     193     8730133 :         to->di_aformat = from->di_aformat;
     194     8730133 :         to->di_dmevmask = cpu_to_be32(from->di_dmevmask);
     195     8730133 :         to->di_dmstate = cpu_to_be16(from->di_dmstate);
     196     8730133 :         to->di_flags = cpu_to_be16(from->di_flags);
     197     8730133 :         to->di_gen = cpu_to_be32(from->di_gen);
     198             : 
     199     8730133 :         if (from->di_version == 3) {
     200     8730133 :                 to->di_changecount = cpu_to_be64(from->di_changecount);
     201     8730133 :                 to->di_crtime = xfs_log_dinode_to_disk_ts(from,
     202             :                                                           from->di_crtime);
     203     8730133 :                 to->di_flags2 = cpu_to_be64(from->di_flags2);
     204     8730133 :                 to->di_cowextsize = cpu_to_be32(from->di_cowextsize);
     205     8730133 :                 to->di_ino = cpu_to_be64(from->di_ino);
     206     8730133 :                 to->di_lsn = cpu_to_be64(lsn);
     207     8730133 :                 memset(to->di_pad2, 0, sizeof(to->di_pad2));
     208     8730133 :                 uuid_copy(&to->di_uuid, &from->di_uuid);
     209     8730133 :                 to->di_v3_pad = 0;
     210             :         } else {
     211           0 :                 to->di_flushiter = cpu_to_be16(from->di_flushiter);
     212           0 :                 memset(to->di_v2_pad, 0, sizeof(to->di_v2_pad));
     213             :         }
     214             : 
     215     8730133 :         xfs_log_dinode_to_disk_iext_counters(from, to);
     216     8730133 : }
     217             : 
     218             : STATIC int
     219     8730133 : xlog_dinode_verify_extent_counts(
     220             :         struct xfs_mount        *mp,
     221             :         struct xfs_log_dinode   *ldip)
     222             : {
     223     8730133 :         xfs_extnum_t            nextents;
     224     8730133 :         xfs_aextnum_t           anextents;
     225             : 
     226    17460266 :         if (xfs_log_dinode_has_large_extent_counts(ldip)) {
     227     8730133 :                 if (!xfs_has_large_extent_counts(mp) ||
     228     8730133 :                     (ldip->di_nrext64_pad != 0)) {
     229           0 :                         XFS_CORRUPTION_ERROR(
     230             :                                 "Bad log dinode large extent count format",
     231             :                                 XFS_ERRLEVEL_LOW, mp, ldip, sizeof(*ldip));
     232           0 :                         xfs_alert(mp,
     233             :                                 "Bad inode 0x%llx, large extent counts %d, padding 0x%x",
     234             :                                 ldip->di_ino, xfs_has_large_extent_counts(mp),
     235             :                                 ldip->di_nrext64_pad);
     236           0 :                         return -EFSCORRUPTED;
     237             :                 }
     238             : 
     239     8730133 :                 nextents = ldip->di_big_nextents;
     240     8730133 :                 anextents = ldip->di_big_anextents;
     241             :         } else {
     242           0 :                 if (ldip->di_version == 3 && ldip->di_v3_pad != 0) {
     243           0 :                         XFS_CORRUPTION_ERROR(
     244             :                                 "Bad log dinode di_v3_pad",
     245             :                                 XFS_ERRLEVEL_LOW, mp, ldip, sizeof(*ldip));
     246           0 :                         xfs_alert(mp,
     247             :                                 "Bad inode 0x%llx, di_v3_pad 0x%llx",
     248             :                                 ldip->di_ino, ldip->di_v3_pad);
     249           0 :                         return -EFSCORRUPTED;
     250             :                 }
     251             : 
     252           0 :                 nextents = ldip->di_nextents;
     253           0 :                 anextents = ldip->di_anextents;
     254             :         }
     255             : 
     256     8730133 :         if (unlikely(nextents + anextents > ldip->di_nblocks)) {
     257           0 :                 XFS_CORRUPTION_ERROR("Bad log dinode extent counts",
     258             :                                 XFS_ERRLEVEL_LOW, mp, ldip, sizeof(*ldip));
     259           0 :                 xfs_alert(mp,
     260             :                         "Bad inode 0x%llx, large extent counts %d, nextents 0x%llx, anextents 0x%x, nblocks 0x%llx",
     261             :                         ldip->di_ino, xfs_has_large_extent_counts(mp), nextents,
     262             :                         anextents, ldip->di_nblocks);
     263           0 :                 return -EFSCORRUPTED;
     264             :         }
     265             : 
     266             :         return 0;
     267             : }
     268             : 
     269             : STATIC int
     270     8993872 : xlog_recover_inode_commit_pass2(
     271             :         struct xlog                     *log,
     272             :         struct list_head                *buffer_list,
     273             :         struct xlog_recover_item        *item,
     274             :         xfs_lsn_t                       current_lsn)
     275             : {
     276     8993872 :         struct xfs_inode_log_format     *in_f;
     277     8993872 :         struct xfs_mount                *mp = log->l_mp;
     278     8993872 :         struct xfs_buf                  *bp;
     279     8993872 :         struct xfs_dinode               *dip;
     280     8993872 :         int                             len;
     281     8993872 :         char                            *src;
     282     8993872 :         char                            *dest;
     283     8993872 :         int                             error;
     284     8993872 :         int                             attr_index;
     285     8993872 :         uint                            fields;
     286     8993872 :         struct xfs_log_dinode           *ldip;
     287     8993872 :         uint                            isize;
     288     8993872 :         int                             need_free = 0;
     289             : 
     290     8993872 :         if (item->ri_buf[0].i_len == sizeof(struct xfs_inode_log_format)) {
     291     8993872 :                 in_f = item->ri_buf[0].i_addr;
     292             :         } else {
     293           0 :                 in_f = kmem_alloc(sizeof(struct xfs_inode_log_format), 0);
     294           0 :                 need_free = 1;
     295           0 :                 error = xfs_inode_item_format_convert(&item->ri_buf[0], in_f);
     296           0 :                 if (error)
     297           0 :                         goto error;
     298             :         }
     299             : 
     300             :         /*
     301             :          * Inode buffers can be freed, look out for it,
     302             :          * and do not replay the inode.
     303             :          */
     304     8993872 :         if (xlog_is_buffer_cancelled(log, in_f->ilf_blkno, in_f->ilf_len)) {
     305      232179 :                 error = 0;
     306      232179 :                 trace_xfs_log_recover_inode_cancel(log, in_f);
     307      232179 :                 goto error;
     308             :         }
     309     8761693 :         trace_xfs_log_recover_inode_recover(log, in_f);
     310             : 
     311     8761693 :         error = xfs_buf_read(mp->m_ddev_targp, in_f->ilf_blkno, in_f->ilf_len,
     312             :                         0, &bp, &xfs_inode_buf_ops);
     313     8761693 :         if (error)
     314           0 :                 goto error;
     315     8761693 :         ASSERT(in_f->ilf_fields & XFS_ILOG_CORE);
     316     8761693 :         dip = xfs_buf_offset(bp, in_f->ilf_boffset);
     317             : 
     318             :         /*
     319             :          * Make sure the place we're flushing out to really looks
     320             :          * like an inode!
     321             :          */
     322     8761693 :         if (XFS_IS_CORRUPT(mp, !xfs_verify_magic16(bp, dip->di_magic))) {
     323           0 :                 xfs_alert(mp,
     324             :         "%s: Bad inode magic number, dip = "PTR_FMT", dino bp = "PTR_FMT", ino = %lld",
     325             :                         __func__, dip, bp, in_f->ilf_ino);
     326           0 :                 error = -EFSCORRUPTED;
     327           0 :                 goto out_release;
     328             :         }
     329     8761693 :         ldip = item->ri_buf[1].i_addr;
     330     8761693 :         if (XFS_IS_CORRUPT(mp, ldip->di_magic != XFS_DINODE_MAGIC)) {
     331           0 :                 xfs_alert(mp,
     332             :                         "%s: Bad inode log record, rec ptr "PTR_FMT", ino %lld",
     333             :                         __func__, item, in_f->ilf_ino);
     334           0 :                 error = -EFSCORRUPTED;
     335           0 :                 goto out_release;
     336             :         }
     337             : 
     338             :         /*
     339             :          * If the inode has an LSN in it, recover the inode only if the on-disk
     340             :          * inode's LSN is older than the lsn of the transaction we are
     341             :          * replaying. We can have multiple checkpoints with the same start LSN,
     342             :          * so the current LSN being equal to the on-disk LSN doesn't necessarily
     343             :          * mean that the on-disk inode is more recent than the change being
     344             :          * replayed.
     345             :          *
     346             :          * We must check the current_lsn against the on-disk inode
     347             :          * here because the we can't trust the log dinode to contain a valid LSN
     348             :          * (see comment below before replaying the log dinode for details).
     349             :          *
     350             :          * Note: we still need to replay an owner change even though the inode
     351             :          * is more recent than the transaction as there is no guarantee that all
     352             :          * the btree blocks are more recent than this transaction, too.
     353             :          */
     354     8761693 :         if (dip->di_version >= 3) {
     355     8761693 :                 xfs_lsn_t       lsn = be64_to_cpu(dip->di_lsn);
     356             : 
     357     8761693 :                 if (lsn && lsn != -1 && XFS_LSN_CMP(lsn, current_lsn) > 0) {
     358       31560 :                         trace_xfs_log_recover_inode_skip(log, in_f);
     359       31560 :                         error = 0;
     360       31560 :                         goto out_owner_change;
     361             :                 }
     362             :         }
     363             : 
     364             :         /*
     365             :          * di_flushiter is only valid for v1/2 inodes. All changes for v3 inodes
     366             :          * are transactional and if ordering is necessary we can determine that
     367             :          * more accurately by the LSN field in the V3 inode core. Don't trust
     368             :          * the inode versions we might be changing them here - use the
     369             :          * superblock flag to determine whether we need to look at di_flushiter
     370             :          * to skip replay when the on disk inode is newer than the log one
     371             :          */
     372     8730133 :         if (!xfs_has_v3inodes(mp) &&
     373           0 :             ldip->di_flushiter < be16_to_cpu(dip->di_flushiter)) {
     374             :                 /*
     375             :                  * Deal with the wrap case, DI_MAX_FLUSH is less
     376             :                  * than smaller numbers
     377             :                  */
     378           0 :                 if (be16_to_cpu(dip->di_flushiter) == DI_MAX_FLUSH &&
     379             :                     ldip->di_flushiter < (DI_MAX_FLUSH >> 1)) {
     380             :                         /* do nothing */
     381             :                 } else {
     382           0 :                         trace_xfs_log_recover_inode_skip(log, in_f);
     383           0 :                         error = 0;
     384           0 :                         goto out_release;
     385             :                 }
     386             :         }
     387             : 
     388             :         /* Take the opportunity to reset the flush iteration count */
     389     8730133 :         ldip->di_flushiter = 0;
     390             : 
     391     8730133 :         if (unlikely(S_ISREG(ldip->di_mode))) {
     392     7112683 :                 if ((ldip->di_format != XFS_DINODE_FMT_EXTENTS) &&
     393             :                     (ldip->di_format != XFS_DINODE_FMT_BTREE)) {
     394           0 :                         XFS_CORRUPTION_ERROR(
     395             :                                 "Bad log dinode data fork format for regular file",
     396             :                                 XFS_ERRLEVEL_LOW, mp, ldip, sizeof(*ldip));
     397           0 :                         xfs_alert(mp,
     398             :                                 "Bad inode 0x%llx, data fork format 0x%x",
     399             :                                 in_f->ilf_ino, ldip->di_format);
     400           0 :                         error = -EFSCORRUPTED;
     401           0 :                         goto out_release;
     402             :                 }
     403     1617450 :         } else if (unlikely(S_ISDIR(ldip->di_mode))) {
     404     1022548 :                 if ((ldip->di_format != XFS_DINODE_FMT_EXTENTS) &&
     405     1022548 :                     (ldip->di_format != XFS_DINODE_FMT_BTREE) &&
     406             :                     (ldip->di_format != XFS_DINODE_FMT_LOCAL)) {
     407           0 :                         XFS_CORRUPTION_ERROR(
     408             :                                 "Bad log dinode data fork format for directory",
     409             :                                 XFS_ERRLEVEL_LOW, mp, ldip, sizeof(*ldip));
     410           0 :                         xfs_alert(mp,
     411             :                                 "Bad inode 0x%llx, data fork format 0x%x",
     412             :                                 in_f->ilf_ino, ldip->di_format);
     413           0 :                         error = -EFSCORRUPTED;
     414           0 :                         goto out_release;
     415             :                 }
     416             :         }
     417             : 
     418     8730133 :         error = xlog_dinode_verify_extent_counts(mp, ldip);
     419     8730133 :         if (error)
     420           0 :                 goto out_release;
     421             : 
     422     8730133 :         if (unlikely(ldip->di_forkoff > mp->m_sb.sb_inodesize)) {
     423           0 :                 XFS_CORRUPTION_ERROR("Bad log dinode fork offset",
     424             :                                 XFS_ERRLEVEL_LOW, mp, ldip, sizeof(*ldip));
     425           0 :                 xfs_alert(mp,
     426             :                         "Bad inode 0x%llx, di_forkoff 0x%x",
     427             :                         in_f->ilf_ino, ldip->di_forkoff);
     428           0 :                 error = -EFSCORRUPTED;
     429           0 :                 goto out_release;
     430             :         }
     431     8730133 :         isize = xfs_log_dinode_size(mp);
     432     8730133 :         if (unlikely(item->ri_buf[1].i_len > isize)) {
     433           0 :                 XFS_CORRUPTION_ERROR("Bad log dinode size", XFS_ERRLEVEL_LOW,
     434             :                                      mp, ldip, sizeof(*ldip));
     435           0 :                 xfs_alert(mp,
     436             :                         "Bad inode 0x%llx log dinode size 0x%x",
     437             :                         in_f->ilf_ino, item->ri_buf[1].i_len);
     438           0 :                 error = -EFSCORRUPTED;
     439           0 :                 goto out_release;
     440             :         }
     441             : 
     442             :         /*
     443             :          * Recover the log dinode inode into the on disk inode.
     444             :          *
     445             :          * The LSN in the log dinode is garbage - it can be zero or reflect
     446             :          * stale in-memory runtime state that isn't coherent with the changes
     447             :          * logged in this transaction or the changes written to the on-disk
     448             :          * inode.  Hence we write the current lSN into the inode because that
     449             :          * matches what xfs_iflush() would write inode the inode when flushing
     450             :          * the changes in this transaction.
     451             :          */
     452     8730133 :         xfs_log_dinode_to_disk(ldip, dip, current_lsn);
     453             : 
     454     8730133 :         fields = in_f->ilf_fields;
     455     8730133 :         if (fields & XFS_ILOG_DEV)
     456      268811 :                 xfs_dinode_put_rdev(dip, in_f->ilf_u.ilfu_rdev);
     457             : 
     458     8730133 :         if (in_f->ilf_size == 2)
     459     2310153 :                 goto out_owner_change;
     460     6419980 :         len = item->ri_buf[2].i_len;
     461     6419980 :         src = item->ri_buf[2].i_addr;
     462     6419980 :         ASSERT(in_f->ilf_size <= 4);
     463     6419980 :         ASSERT((in_f->ilf_size == 3) || (fields & XFS_ILOG_AFORK));
     464     6419980 :         ASSERT(!(fields & XFS_ILOG_DFORK) ||
     465             :                (len == xlog_calc_iovec_len(in_f->ilf_dsize)));
     466             : 
     467     6419980 :         switch (fields & XFS_ILOG_DFORK) {
     468     4668565 :         case XFS_ILOG_DDATA:
     469             :         case XFS_ILOG_DEXT:
     470     9337130 :                 memcpy(XFS_DFORK_DPTR(dip), src, len);
     471     4668565 :                 break;
     472             : 
     473      768403 :         case XFS_ILOG_DBROOT:
     474     2305209 :                 xfs_bmbt_to_bmdr(mp, (struct xfs_btree_block *)src, len,
     475      768403 :                                  (struct xfs_bmdr_block *)XFS_DFORK_DPTR(dip),
     476      768403 :                                  XFS_DFORK_DSIZE(dip, mp));
     477      768403 :                 break;
     478             : 
     479      983012 :         default:
     480             :                 /*
     481             :                  * There are no data fork flags set.
     482             :                  */
     483      983012 :                 ASSERT((fields & XFS_ILOG_DFORK) == 0);
     484             :                 break;
     485             :         }
     486             : 
     487             :         /*
     488             :          * If we logged any attribute data, recover it.  There may or
     489             :          * may not have been any other non-core data logged in this
     490             :          * transaction.
     491             :          */
     492     6419980 :         if (in_f->ilf_fields & XFS_ILOG_AFORK) {
     493     5342093 :                 if (in_f->ilf_fields & XFS_ILOG_DFORK) {
     494             :                         attr_index = 3;
     495             :                 } else {
     496      983012 :                         attr_index = 2;
     497             :                 }
     498     5342093 :                 len = item->ri_buf[attr_index].i_len;
     499     5342093 :                 src = item->ri_buf[attr_index].i_addr;
     500     5342093 :                 ASSERT(len == xlog_calc_iovec_len(in_f->ilf_asize));
     501             : 
     502     5342093 :                 switch (in_f->ilf_fields & XFS_ILOG_AFORK) {
     503     5342051 :                 case XFS_ILOG_ADATA:
     504             :                 case XFS_ILOG_AEXT:
     505     5342051 :                         dest = XFS_DFORK_APTR(dip);
     506     5342051 :                         ASSERT(len <= XFS_DFORK_ASIZE(dip, mp));
     507    10684102 :                         memcpy(dest, src, len);
     508     5342051 :                         break;
     509             : 
     510          42 :                 case XFS_ILOG_ABROOT:
     511          42 :                         dest = XFS_DFORK_APTR(dip);
     512          42 :                         xfs_bmbt_to_bmdr(mp, (struct xfs_btree_block *)src,
     513             :                                          len, (struct xfs_bmdr_block *)dest,
     514          42 :                                          XFS_DFORK_ASIZE(dip, mp));
     515          42 :                         break;
     516             : 
     517           0 :                 default:
     518           0 :                         xfs_warn(log->l_mp, "%s: Invalid flag", __func__);
     519           0 :                         ASSERT(0);
     520           0 :                         error = -EFSCORRUPTED;
     521           0 :                         goto out_release;
     522             :                 }
     523             :         }
     524             : 
     525     1077887 : out_owner_change:
     526             :         /* Recover the swapext owner change unless inode has been deleted */
     527     8761693 :         if ((in_f->ilf_fields & (XFS_ILOG_DOWNER|XFS_ILOG_AOWNER)) &&
     528           0 :             (dip->di_mode != 0))
     529           0 :                 error = xfs_recover_inode_owner_change(mp, dip, in_f,
     530             :                                                        buffer_list);
     531             :         /* re-generate the checksum. */
     532     8761693 :         xfs_dinode_calc_crc(log->l_mp, dip);
     533             : 
     534     8761693 :         ASSERT(bp->b_mount == mp);
     535     8761693 :         bp->b_flags |= _XBF_LOGRECOVERY;
     536     8761693 :         xfs_buf_delwri_queue(bp, buffer_list);
     537             : 
     538     8761693 : out_release:
     539     8761693 :         xfs_buf_relse(bp);
     540     8993872 : error:
     541     8993872 :         if (need_free)
     542           0 :                 kmem_free(in_f);
     543     8993872 :         return error;
     544             : }
     545             : 
     546             : const struct xlog_recover_item_ops xlog_inode_item_ops = {
     547             :         .item_type              = XFS_LI_INODE,
     548             :         .ra_pass2               = xlog_recover_inode_ra_pass2,
     549             :         .commit_pass2           = xlog_recover_inode_commit_pass2,
     550             : };

Generated by: LCOV version 1.14