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xfs: scrub the secondary superblocks

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Ensure that the geometry presented in the backup superblocks matches
the primary superblock so that repair can recover the filesystem if
that primary gets corrupted.

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 21:37:38 -07:00
parent b6c1beb967
commit 21fb4cb198
6 changed files with 340 additions and 1 deletions
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fs/xfs/scrub/common.h
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@@ -76,6 +76,8 @@ void xfs_scrub_set_incomplete(struct xfs_scrub_context *sc);
/* Setup functions */
int xfs_scrub_setup_fs(struct xfs_scrub_context *sc, struct xfs_inode *ip);
int xfs_scrub_setup_ag_header(struct xfs_scrub_context *sc,
struct xfs_inode *ip);
void xfs_scrub_ag_free(struct xfs_scrub_context *sc, struct xfs_scrub_ag *sa);
int xfs_scrub_ag_init(struct xfs_scrub_context *sc, xfs_agnumber_t agno,