[PATCH 013/110] xfs: implement live quotacheck inode scan

Darrick J. Wong
2024-03-26T03:31:48Z

From: Darrick J. Wong <djwong@kernel.org>

Source kernel commit: 48dd9117a34fe9a34a6be0b1dba5694e0f19cbd4

Create a new trio of scrub functions to check quota counters. While the
dquots themselves are filesystem metadata and should be checked early,
the dquot counter values are computed from other metadata and are
therefore summary counters. We don't plug these into the scrub dispatch
just yet, because we still need to be able to watch quota updates while
doing our scan.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
---
libxfs/xfs_fs.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libxfs/xfs_fs.h b/libxfs/xfs_fs.h
index 711e0fc7efab..07acbed9235c 100644
--- a/libxfs/xfs_fs.h
+++ b/libxfs/xfs_fs.h
@@ -710,9 +710,10 @@ struct xfs_scrub_metadata {
#define XFS_SCRUB_TYPE_GQUOTA 22 /* group quotas */
#define XFS_SCRUB_TYPE_PQUOTA 23 /* project quotas */
#define XFS_SCRUB_TYPE_FSCOUNTERS 24 /* fs summary counters */
+#define XFS_SCRUB_TYPE_QUOTACHECK 25 /* quota counters */

/* Number of scrub subcommands. */
-#define XFS_SCRUB_TYPE_NR 25
+#define XFS_SCRUB_TYPE_NR 26

/* i: Repair this metadata. */
#define XFS_SCRUB_IFLAG_REPAIR (1u << 0)