From: Darrick J. Wong <djwong@xxxxxxxxxx>
Check the realtime reverse mapping btree against the rtbitmap, and
modify the rtbitmap scrub to check against the rtrmapbt.
Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx>
---
libxfs/xfs_fs.h | 3 ++-
man/man2/ioctl_xfs_scrub_metadata.2 | 8 ++++++--
2 files changed, 8 insertions(+), 3 deletions(-)
diff --git a/libxfs/xfs_fs.h b/libxfs/xfs_fs.h
index 102b9273360..dcf048aae8c 100644
--- a/libxfs/xfs_fs.h
+++ b/libxfs/xfs_fs.h
@@ -737,9 +737,10 @@ struct xfs_scrub_metadata {
#define XFS_SCRUB_TYPE_METAPATH 29 /* metadata directory tree paths */
#define XFS_SCRUB_TYPE_RGSUPER 30 /* realtime superblock */
#define XFS_SCRUB_TYPE_RGBITMAP 31 /* realtime group bitmap */
+#define XFS_SCRUB_TYPE_RTRMAPBT 32 /* rtgroup reverse mapping btree */
/* Number of scrub subcommands. */
-#define XFS_SCRUB_TYPE_NR 32
+#define XFS_SCRUB_TYPE_NR 33
/*
* This special type code only applies to the vectored scrub implementation.
diff --git a/man/man2/ioctl_xfs_scrub_metadata.2 b/man/man2/ioctl_xfs_scrub_metadata.2
index dc439897c98..79875968d1c 100644
--- a/man/man2/ioctl_xfs_scrub_metadata.2
+++ b/man/man2/ioctl_xfs_scrub_metadata.2
@@ -98,9 +98,13 @@ The realtime allocation group number must be given in
must be zero.
.PP
-.TP
+.nf
.B XFS_SCRUB_TYPE_RGBITMAP
-Examine a given realtime allocation group's free space bitmap.
+.fi
+.TP
+.B XFS_SCRUB_TYPE_RTRMAPBT
+Examine a given realtime allocation group's free space bitmap or reverse
+mapping btree, respectively.
Records are checked for obviously incorrect values and cross-referenced
with other allocation group metadata records to ensure that there are no
conflicts.
