[PATCH 15/24] xfs: scrub realtime bitmap/summary

[Darrick J. Wong]

Perform simple tests of the realtime bitmap and summary.

Signed-off-by: Darrick J. Wong <darrick.wong at oracle.com>
---
 libxfs/xfs_format.h   |    5 +++++
 libxfs/xfs_fs.h       |    4 +++-
 libxfs/xfs_rtbitmap.c |    2 +-
 3 files changed, 9 insertions(+), 2 deletions(-)


diff --git a/libxfs/xfs_format.h b/libxfs/xfs_format.h
index df6518e..ed36809 100644
--- a/libxfs/xfs_format.h
+++ b/libxfs/xfs_format.h
@@ -315,6 +315,11 @@ static inline bool xfs_sb_good_version(struct xfs_sb *sbp)
 	return false;
 }
 
+static inline bool xfs_sb_version_hasrealtime(struct xfs_sb *sbp)
+{
+	return sbp->sb_rblocks > 0;
+}
+
 /*
  * Detect a mismatched features2 field.  Older kernels read/wrote
  * this into the wrong slot, so to be safe we keep them in sync.
diff --git a/libxfs/xfs_fs.h b/libxfs/xfs_fs.h
index 9829a6a..fd2dd80 100644
--- a/libxfs/xfs_fs.h
+++ b/libxfs/xfs_fs.h
@@ -573,7 +573,9 @@ struct xfs_scrub_metadata {
 #define XFS_SCRUB_TYPE_BMBTD	11	/* data fork block mapping */
 #define XFS_SCRUB_TYPE_BMBTA	12	/* attr fork block mapping */
 #define XFS_SCRUB_TYPE_BMBTC	13	/* CoW fork block mapping */
-#define XFS_SCRUB_TYPE_MAX	13
+#define XFS_SCRUB_TYPE_RTBITMAP	14	/* realtime bitmap */
+#define XFS_SCRUB_TYPE_RTSUM	15	/* realtime summary */
+#define XFS_SCRUB_TYPE_MAX	15
 
 #define XFS_SCRUB_FLAGS_ALL	0x0	/* no flags yet */
 
diff --git a/libxfs/xfs_rtbitmap.c b/libxfs/xfs_rtbitmap.c
index 36fe323..70ea975 100644
--- a/libxfs/xfs_rtbitmap.c
+++ b/libxfs/xfs_rtbitmap.c
@@ -65,7 +65,7 @@ const struct xfs_buf_ops xfs_rtbuf_ops = {
  * Get a buffer for the bitmap or summary file block specified.
  * The buffer is returned read and locked.
  */
-static int
+int
 xfs_rtbuf_get(
 	xfs_mount_t	*mp,		/* file system mount structure */
 	xfs_trans_t	*tp,		/* transaction pointer */