[PATCH 24/36] xfs: repair realtime group superblock

Darrick J. Wong
2024-10-11T01:07:56Z

Repair the realtime superblock if it has become out of date with the
primary superblock.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
---
fs/xfs/scrub/repair.h | 3 +++
fs/xfs/scrub/rgsuper.c | 16 ++++++++++++++++
fs/xfs/scrub/scrub.c | 2 +-
3 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/fs/xfs/scrub/repair.h b/fs/xfs/scrub/repair.h
index 4052185743910d..b649da1a93eb8c 100644
--- a/fs/xfs/scrub/repair.h
+++ b/fs/xfs/scrub/repair.h
@@ -146,9 +146,11 @@ int xrep_metapath(struct xfs_scrub *sc);
#ifdef CONFIG_XFS_RT
int xrep_rtbitmap(struct xfs_scrub *sc);
int xrep_rtsummary(struct xfs_scrub *sc);
+int xrep_rgsuperblock(struct xfs_scrub *sc);
#else
# define xrep_rtbitmap xrep_notsupported
# define xrep_rtsummary xrep_notsupported
+# define xrep_rgsuperblock xrep_notsupported
#endif /* CONFIG_XFS_RT */

#ifdef CONFIG_XFS_QUOTA
@@ -253,6 +255,7 @@ static inline int xrep_setup_symlink(struct xfs_scrub *sc, unsigned int *x)
#define xrep_symlink xrep_notsupported
#define xrep_dirtree xrep_notsupported
#define xrep_metapath xrep_notsupported
+#define xrep_rgsuperblock xrep_notsupported

#endif /* CONFIG_XFS_ONLINE_REPAIR */

diff --git a/fs/xfs/scrub/rgsuper.c b/fs/xfs/scrub/rgsuper.c
index 00dfe043dfea7f..463b3573bb761b 100644
--- a/fs/xfs/scrub/rgsuper.c
+++ b/fs/xfs/scrub/rgsuper.c
@@ -10,8 +10,12 @@
#include "xfs_trans_resv.h"
#include "xfs_mount.h"
#include "xfs_rtgroup.h"
+#include "xfs_log_format.h"
+#include "xfs_trans.h"
+#include "xfs_sb.h"
#include "scrub/scrub.h"
#include "scrub/common.h"
+#include "scrub/repair.h"

/* Set us up with a transaction and an empty context. */
int
@@ -66,3 +70,15 @@ xchk_rgsuperblock(
xchk_rgsuperblock_xref(sc);
return 0;
}
+
+#ifdef CONFIG_XFS_ONLINE_REPAIR
+int
+xrep_rgsuperblock(
+ struct xfs_scrub *sc)
+{
+ ASSERT(rtg_rgno(sc->sr.rtg) == 0);
+
+ xfs_log_sb(sc->tp);
+ return 0;
+}
+#endif /* CONFIG_XFS_ONLINE_REPAIR */
diff --git a/fs/xfs/scrub/scrub.c b/fs/xfs/scrub/scrub.c
index fc8476c522746e..c255882fc5e40b 100644
--- a/fs/xfs/scrub/scrub.c
+++ b/fs/xfs/scrub/scrub.c
@@ -456,7 +456,7 @@ static const struct xchk_meta_ops meta_scrub_ops[] = {
.setup = xchk_setup_rgsuperblock,
.scrub = xchk_rgsuperblock,
.has = xfs_has_rtsb,
- .repair = xrep_notsupported,
+ .repair = xrep_rgsuperblock,
},
};