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| author | Darrick J. Wong <darrick.wong@oracle.com> | 2019-02-01 09:08:53 -0800 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2019-02-11 16:06:40 -0800 |
| commit | f8c1d7023e252df853efbb3566c6d47b148609fe (patch) | |
| tree | 83db817c7b120cc401db5d22dd947733b5b60ffa /fs/xfs/libxfs | |
| parent | 3258cb208caba74258ffdd8bd59972bbda9bfee1 (diff) | |
| download | linux-stable-f8c1d7023e252df853efbb3566c6d47b148609fe.tar.gz linux-stable-f8c1d7023e252df853efbb3566c6d47b148609fe.tar.bz2 linux-stable-f8c1d7023e252df853efbb3566c6d47b148609fe.zip | |
xfs: scrub should flag dir/attr offsets that aren't mappable with xfs_dablk_t
Teach scrub to flag extent maps that exceed the range that can be mapped
with a xfs_dablk_t.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Diffstat (limited to 'fs/xfs/libxfs')
| -rw-r--r-- | fs/xfs/libxfs/xfs_types.c | 11 | ||||
| -rw-r--r-- | fs/xfs/libxfs/xfs_types.h | 1 |
2 files changed, 12 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_types.c b/fs/xfs/libxfs/xfs_types.c index 3306fc42cfad..451608b5a37b 100644 --- a/fs/xfs/libxfs/xfs_types.c +++ b/fs/xfs/libxfs/xfs_types.c @@ -204,3 +204,14 @@ xfs_verify_icount( xfs_icount_range(mp, &min, &max); return icount >= min && icount <= max; } + +/* Sanity-checking of dir/attr block offsets. */ +bool +xfs_verify_dablk( + struct xfs_mount *mp, + xfs_fileoff_t dabno) +{ + xfs_dablk_t max_dablk = -1U; + + return dabno <= max_dablk; +} diff --git a/fs/xfs/libxfs/xfs_types.h b/fs/xfs/libxfs/xfs_types.h index 8f02855a019a..704b4f308780 100644 --- a/fs/xfs/libxfs/xfs_types.h +++ b/fs/xfs/libxfs/xfs_types.h @@ -188,5 +188,6 @@ bool xfs_internal_inum(struct xfs_mount *mp, xfs_ino_t ino); bool xfs_verify_dir_ino(struct xfs_mount *mp, xfs_ino_t ino); bool xfs_verify_rtbno(struct xfs_mount *mp, xfs_rtblock_t rtbno); bool xfs_verify_icount(struct xfs_mount *mp, unsigned long long icount); +bool xfs_verify_dablk(struct xfs_mount *mp, xfs_fileoff_t off); #endif /* __XFS_TYPES_H__ */ |