From: Darrick J. Wong <djwong@xxxxxxxxxx>
Advertise the existence of the metadata directory feature; this will be
used by scrub to decide if it needs to scan the metadir too.
Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx>
---
libxfs/xfs_fs.h | 1 +
libxfs/xfs_sb.c | 2 ++
man/man2/ioctl_xfs_fsgeometry.2 | 3 +++
3 files changed, 6 insertions(+)
diff --git a/libxfs/xfs_fs.h b/libxfs/xfs_fs.h
index 77fbca573e1..2e31fc2240e 100644
--- a/libxfs/xfs_fs.h
+++ b/libxfs/xfs_fs.h
@@ -239,6 +239,7 @@ typedef struct xfs_fsop_resblks {
#define XFS_FSOP_GEOM_FLAGS_BIGTIME (1 << 21) /* 64-bit nsec timestamps */
#define XFS_FSOP_GEOM_FLAGS_INOBTCNT (1 << 22) /* inobt btree counter */
#define XFS_FSOP_GEOM_FLAGS_NREXT64 (1 << 23) /* large extent counters */
+#define XFS_FSOP_GEOM_FLAGS_METADIR (1U << 29) /* metadata directories */
#define XFS_FSOP_GEOM_FLAGS_PARENT (1U << 30) /* parent pointers */
/* atomic file extent swap available to userspace */
diff --git a/libxfs/xfs_sb.c b/libxfs/xfs_sb.c
index b74a170605d..719da346d36 100644
--- a/libxfs/xfs_sb.c
+++ b/libxfs/xfs_sb.c
@@ -1296,6 +1296,8 @@ xfs_fs_geometry(
geo->flags |= XFS_FSOP_GEOM_FLAGS_NREXT64;
if (xfs_atomic_swap_supported(mp))
geo->flags |= XFS_FSOP_GEOM_FLAGS_ATOMIC_SWAP;
+ if (xfs_has_metadir(mp))
+ geo->flags |= XFS_FSOP_GEOM_FLAGS_METADIR;
geo->rtsectsize = sbp->sb_blocksize;
geo->dirblocksize = xfs_dir2_dirblock_bytes(sbp);
diff --git a/man/man2/ioctl_xfs_fsgeometry.2 b/man/man2/ioctl_xfs_fsgeometry.2
index 4c7ff9a270b..9c0ad165cbe 100644
--- a/man/man2/ioctl_xfs_fsgeometry.2
+++ b/man/man2/ioctl_xfs_fsgeometry.2
@@ -214,6 +214,9 @@ Filesystem supports sharing blocks between files.
.TP
.B XFS_FSOP_GEOM_FLAGS_ATOMICSWAP
Filesystem can exchange file contents atomically via XFS_IOC_EXCHANGE_RANGE.
+.TP
+.B XFS_FSOP_GEOM_FLAGS_METADIR
+Filesystem contains a metadata directory tree.
.RE
.SH XFS METADATA HEALTH REPORTING
.PP
