libxfs: expose inobtcount in xfs geometry

As xfs supports the feature of inode btree block counters now, expose
this feature flag in xfs geometry, for userspace can check if the
inobtcnt is enabled or not.

Signed-off-by: Zorro Lang <zlang@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>

diff --git a/fs/xfs/libxfs/xfs_fs.h b/fs/xfs/libxfs/xfs_fs.h
index 2a2e3cf..6fad140 100644 (file)
--- a/fs/xfs/libxfs/xfs_fs.h
+++ b/fs/xfs/libxfs/xfs_fs.h
@@ -250,6 +250,7 @@ typedef struct xfs_fsop_resblks {
 #define XFS_FSOP_GEOM_FLAGS_RMAPBT     (1 << 19) /* reverse mapping btree */
 #define XFS_FSOP_GEOM_FLAGS_REFLINK    (1 << 20) /* files can share blocks */
 #define XFS_FSOP_GEOM_FLAGS_BIGTIME    (1 << 21) /* 64-bit nsec timestamps */
+#define XFS_FSOP_GEOM_FLAGS_INOBTCNT   (1 << 22) /* inobt btree counter */
 
 /*
  * Minimum and maximum sizes need for growth checks.

diff --git a/fs/xfs/libxfs/xfs_sb.c b/fs/xfs/libxfs/xfs_sb.c
index bbda117..60e6d25 100644 (file)
--- a/fs/xfs/libxfs/xfs_sb.c
+++ b/fs/xfs/libxfs/xfs_sb.c
@@ -1138,6 +1138,8 @@ xfs_fs_geometry(
                geo->flags |= XFS_FSOP_GEOM_FLAGS_REFLINK;
        if (xfs_sb_version_hasbigtime(sbp))
                geo->flags |= XFS_FSOP_GEOM_FLAGS_BIGTIME;
+       if (xfs_sb_version_hasinobtcounts(sbp))
+               geo->flags |= XFS_FSOP_GEOM_FLAGS_INOBTCNT;
        if (xfs_sb_version_hassector(sbp))
                geo->logsectsize = sbp->sb_logsectsize;
        else