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xfs: scrub rmap btrees

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Check the reverse mapping records to make sure that the contents
make sense.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
This commit is contained in:
Darrick J. Wong
2017-10-17 21:37:41 -07:00
parent 3daa664191
commit c7e693d983
6 changed files with 149 additions and 1 deletions
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3
fs/xfs/libxfs/xfs_fs.h
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@@ -492,9 +492,10 @@ struct xfs_scrub_metadata {
#define XFS_SCRUB_TYPE_CNTBT 6 /* freesp by length btree */
#define XFS_SCRUB_TYPE_INOBT 7 /* inode btree */
#define XFS_SCRUB_TYPE_FINOBT 8 /* free inode btree */
#define XFS_SCRUB_TYPE_RMAPBT 9 /* reverse mapping btree */
/* Number of scrub subcommands. */
#define XFS_SCRUB_TYPE_NR 9
#define XFS_SCRUB_TYPE_NR 10
/* i: Repair this metadata. */
#define XFS_SCRUB_IFLAG_REPAIR (1 << 0)