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| author | Darrick J. Wong <darrick.wong@oracle.com> | 2019-04-26 04:26:24 +0300 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2019-04-30 18:19:13 +0300 |
| commit | 75efa57d0bf5fcf650a183f0ce0dc011ba8c4bc8 (patch) | |
| tree | d6dfd62d2680be7cdb73e61e857e833f12ae0a78 /fs/xfs/scrub/common.h | |
| parent | 94079285756d66b1aded4e36d35452cb1f9c953a (diff) | |
| download | linux-75efa57d0bf5fcf650a183f0ce0dc011ba8c4bc8.tar.xz | |
xfs: add online scrub for superblock counters
Teach online scrub how to check the filesystem summary counters. We use
the incore delalloc block counter along with the incore AG headers to
compute expected values for fdblocks, icount, and ifree, and then check
that the percpu counter is within a certain threshold of the expected
value. This is done to avoid having to freeze or otherwise lock the
filesystem, which means that we're only checking that the counters are
fairly close, not that they're exactly correct.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Diffstat (limited to 'fs/xfs/scrub/common.h')
| -rw-r--r-- | fs/xfs/scrub/common.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/xfs/scrub/common.h b/fs/xfs/scrub/common.h index 84900bfad852..003a772cd26c 100644 --- a/fs/xfs/scrub/common.h +++ b/fs/xfs/scrub/common.h @@ -39,6 +39,7 @@ void xchk_block_set_preen(struct xfs_scrub *sc, struct xfs_buf *bp); void xchk_ino_set_preen(struct xfs_scrub *sc, xfs_ino_t ino); +void xchk_set_corrupt(struct xfs_scrub *sc); void xchk_block_set_corrupt(struct xfs_scrub *sc, struct xfs_buf *bp); void xchk_ino_set_corrupt(struct xfs_scrub *sc, xfs_ino_t ino); @@ -105,6 +106,7 @@ xchk_setup_quota(struct xfs_scrub *sc, struct xfs_inode *ip) return -ENOENT; } #endif +int xchk_setup_fscounters(struct xfs_scrub *sc, struct xfs_inode *ip); void xchk_ag_free(struct xfs_scrub *sc, struct xchk_ag *sa); int xchk_ag_init(struct xfs_scrub *sc, xfs_agnumber_t agno, |