[PATCH 50/56] xfs: scrub the realtime refcount btree

Darrick J. Wong
2025-02-06T22:48:10Z

Source kernel commit: c27929670de144ec76a0dab2f3a168cb4897b314

Add code to scrub realtime refcount btrees. Similar to the refcount
btree checking code for the data device, we walk the rmap btree for each
refcount record to confirm that the reference counts are correct.

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 ea9e58a89d92d3..a4bd6a39c6ba71 100644
--- a/libxfs/xfs_fs.h
+++ b/libxfs/xfs_fs.h
@@ -738,9 +738,10 @@ 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_RTRMAPBT 31 /* rtgroup reverse mapping btree */
+#define XFS_SCRUB_TYPE_RTREFCBT 32 /* realtime reference count 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.