diff options
| author | Darrick J. Wong <djwong@kernel.org> | 2023-04-11 19:00:05 -0700 |
|---|---|---|
| committer | Darrick J. Wong <djwong@kernel.org> | 2023-04-11 19:00:05 -0700 |
| commit | 6a3bd8fcf9afb47c703cb268f30f60aa2e7af86a (patch) | |
| tree | f8853f97098e6394e60fdd7cc07ae74d48257d72 /fs/xfs/libxfs/xfs_bmap.c | |
| parent | ee12eaaa435a7be17152ac50943ee77249de624a (diff) | |
xfs: complain about bad file mapping records in the ondisk bmbt
Similar to what we've just done for the other btrees, create a function
to log corrupt bmbt records and call it whenever we encounter a bad
record in the ondisk btree.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Diffstat (limited to 'fs/xfs/libxfs/xfs_bmap.c')
| -rw-r--r-- | fs/xfs/libxfs/xfs_bmap.c | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index 0b4fb3979bdc..5e66807737c5 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -1083,6 +1083,34 @@ struct xfs_iread_state { xfs_extnum_t loaded; }; +int +xfs_bmap_complain_bad_rec( + struct xfs_inode *ip, + int whichfork, + xfs_failaddr_t fa, + const struct xfs_bmbt_irec *irec) +{ + struct xfs_mount *mp = ip->i_mount; + const char *forkname; + + switch (whichfork) { + case XFS_DATA_FORK: forkname = "data"; break; + case XFS_ATTR_FORK: forkname = "attr"; break; + case XFS_COW_FORK: forkname = "CoW"; break; + default: forkname = "???"; break; + } + + xfs_warn(mp, + "Bmap BTree record corruption in inode 0x%llx %s fork detected at %pS!", + ip->i_ino, forkname, fa); + xfs_warn(mp, + "Offset 0x%llx, start block 0x%llx, block count 0x%llx state 0x%x", + irec->br_startoff, irec->br_startblock, irec->br_blockcount, + irec->br_state); + + return -EFSCORRUPTED; +} + /* Stuff every bmbt record from this block into the incore extent map. */ static int xfs_iread_bmbt_block( @@ -1125,7 +1153,8 @@ xfs_iread_bmbt_block( xfs_inode_verifier_error(ip, -EFSCORRUPTED, "xfs_iread_extents(2)", frp, sizeof(*frp), fa); - return -EFSCORRUPTED; + return xfs_bmap_complain_bad_rec(ip, whichfork, fa, + &new); } xfs_iext_insert(ip, &ir->icur, &new, xfs_bmap_fork_to_state(whichfork)); |