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[06/24] xfs: scrub the backup superblocks

Message ID 147216935683.6398.16296815516315936549.stgit@birch.djwong.org (mailing list archive)
State Superseded, archived
Headers show

Commit Message

Darrick J. Wong Aug. 25, 2016, 11:55 p.m. UTC 
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>
---
 libxfs/xfs_fs.h |    1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/libxfs/xfs_fs.h b/libxfs/xfs_fs.h
index 6cb3cff..64c7b43 100644
--- a/libxfs/xfs_fs.h
+++ b/libxfs/xfs_fs.h
@@ -559,6 +559,7 @@  struct xfs_scrub_metadata {
 /*
  * Metadata types and flags for scrub operation.
  */
+#define XFS_SCRUB_TYPE_SB	0	/* superblock */
 #define XFS_SCRUB_TYPE_MAX	0
 
 #define XFS_SCRUB_FLAGS_ALL	0x0	/* no flags yet */