[26/58] xfs: add rmap btree geometry feature flag
diff mbox

Message ID 20151007045759.30457.55415.stgit@birch.djwong.org
State New
Headers show

Commit Message

Darrick J. Wong Oct. 7, 2015, 4:57 a.m. UTC
>From : Dave Chinner <dchinner@redhat.com>

So xfs_info and other userspace utilities know the filesystem is
using this feature.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
---
 fs/xfs/libxfs/xfs_fs.h |    1 +
 fs/xfs/xfs_fsops.c     |    4 +++-
 2 files changed, 4 insertions(+), 1 deletion(-)



--
To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Patch
diff mbox

diff --git a/fs/xfs/libxfs/xfs_fs.h b/fs/xfs/libxfs/xfs_fs.h
index 89689c6..9fbdb86 100644
--- a/fs/xfs/libxfs/xfs_fs.h
+++ b/fs/xfs/libxfs/xfs_fs.h
@@ -240,6 +240,7 @@  typedef struct xfs_fsop_resblks {
 #define XFS_FSOP_GEOM_FLAGS_FTYPE	0x10000	/* inode directory types */
 #define XFS_FSOP_GEOM_FLAGS_FINOBT	0x20000	/* free inode btree */
 #define XFS_FSOP_GEOM_FLAGS_SPINODES	0x40000	/* sparse inode chunks	*/
+#define XFS_FSOP_GEOM_FLAGS_RMAPBT	0x80000	/* Reverse mapping btree */
 
 /*
  * Minimum and maximum sizes need for growth checks.
diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c
index 031dd92..64bb02b 100644
--- a/fs/xfs/xfs_fsops.c
+++ b/fs/xfs/xfs_fsops.c
@@ -104,7 +104,9 @@  xfs_fs_geometry(
 			(xfs_sb_version_hasfinobt(&mp->m_sb) ?
 				XFS_FSOP_GEOM_FLAGS_FINOBT : 0) |
 			(xfs_sb_version_hassparseinodes(&mp->m_sb) ?
-				XFS_FSOP_GEOM_FLAGS_SPINODES : 0);
+				XFS_FSOP_GEOM_FLAGS_SPINODES : 0) |
+			(xfs_sb_version_hasrmapbt(&mp->m_sb) ?
+				XFS_FSOP_GEOM_FLAGS_RMAPBT : 0);
 		geo->logsectsize = xfs_sb_version_hassector(&mp->m_sb) ?
 				mp->m_sb.sb_logsectsize : BBSIZE;
 		geo->rtsectsize = mp->m_sb.sb_blocksize;