[3/5] libfrog: add online scrub/repair for superblock counters

Commit Message

Darrick J. Wong Sept. 25, 2019, 9:31 p.m. UTC

From: Darrick J. Wong <[e-mail]>

Wire up the new superblock summary counter ioctls.

Signed-off-by: Darrick J. Wong <[e-mail]>
Reviewed-by: Dave Chinner <[e-mail]>
---
 libfrog/scrub.c |    6 ++++++
 libfrog/scrub.h |    7 +++++++
 scrub/scrub.c   |    2 ++
 3 files changed, 15 insertions(+)

Patch

diff --git a/libfrog/scrub.c b/libfrog/scrub.c
index 12c0926f..e9671da2 100644
--- a/libfrog/scrub.c
+++ b/libfrog/scrub.c
@@ -129,6 +129,12 @@  const struct xfrog_scrub_descr xfrog_scrubbers[XFS_SCRUB_TYPE_NR] = {
 		.descr	= "project quotas",
 		.type	= XFROG_SCRUB_TYPE_FS,
 	},
+	[XFS_SCRUB_TYPE_FSCOUNTERS] = {
+		.name	= "fscounters",
+		.descr	= "filesystem summary counters",
+		.type	= XFROG_SCRUB_TYPE_FS,
+		.flags	= XFROG_SCRUB_DESCR_SUMMARY,
+	},
 };
 
 int
diff --git a/libfrog/scrub.h b/libfrog/scrub.h
index 6fda8975..e43d8c24 100644
--- a/libfrog/scrub.h
+++ b/libfrog/scrub.h
@@ -20,8 +20,15 @@  struct xfrog_scrub_descr {
 	const char		*name;
 	const char		*descr;
 	enum xfrog_scrub_type	type;
+	unsigned int		flags;
 };
 
+/*
+ * The type of metadata checked by this scrubber is a summary of other types
+ * of metadata.  This scrubber should be run after all the others.
+ */
+#define XFROG_SCRUB_DESCR_SUMMARY	(1 << 0)
+
 extern const struct xfrog_scrub_descr xfrog_scrubbers[XFS_SCRUB_TYPE_NR];
 
 int xfrog_scrub_metadata(struct xfs_fd *xfd, struct xfs_scrub_metadata *meta);
diff --git a/scrub/scrub.c b/scrub/scrub.c
index 153d29d5..083ed9a1 100644
--- a/scrub/scrub.c
+++ b/scrub/scrub.c
@@ -293,6 +293,8 @@  xfs_scrub_metadata(
 	for (type = 0; type < XFS_SCRUB_TYPE_NR; type++, sc++) {
 		if (sc->type != scrub_type)
 			continue;
+		if (sc->flags & XFROG_SCRUB_DESCR_SUMMARY)
+			continue;
 
 		meta.sm_type = type;
 		meta.sm_flags = 0;