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authorDarrick J. Wong <darrick.wong@oracle.com>2016-08-03 12:16:44 +1000
committerDave Chinner <david@fromorbit.com>2016-08-03 12:16:44 +1000
commit5d650e90a101557a7a652989c6d5eb657ae2476b (patch)
tree1a90e45ebc517fce0480cc34e5e772bb97982358 /fs/xfs
parent9c19464469556a0cd342fc40a24926ab46d7d243 (diff)
xfs: add rmap btree geometry feature flag
Originally-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> Reviewed-by: Brian Foster <bfoster@redhat.com> Signed-off-by: Dave Chinner <david@fromorbit.com>
Diffstat (limited to 'fs/xfs')
-rw-r--r--fs/xfs/libxfs/xfs_fs.h1
-rw-r--r--fs/xfs/xfs_fsops.c4
2 files changed, 4 insertions, 1 deletions
diff --git a/fs/xfs/libxfs/xfs_fs.h b/fs/xfs/libxfs/xfs_fs.h
index f5ec9c5ccae6..79455058b752 100644
--- a/fs/xfs/libxfs/xfs_fs.h
+++ b/fs/xfs/libxfs/xfs_fs.h
@@ -206,6 +206,7 @@ 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 83304d54e6d4..0f96847b90e1 100644
--- a/fs/xfs/xfs_fsops.c
+++ b/fs/xfs/xfs_fsops.c
@@ -106,7 +106,9 @@ 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;