xfs: enable the rmap btree functionality

Source kernel commit: 1c0607ace9bd639d22ad1bd453ffeb7d55913f88

Originally-From: Dave Chinner <dchinner@redhat.com>

Add the feature flag to the supported matrix so that the kernel can
mount and use rmap btree enabled filesystems

Signed-off-by: Dave Chinner <dchinner@redhat.com>
[darrick.wong@oracle.com: move the experimental tag]
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>

diff --git a/libxfs/xfs_format.h b/libxfs/xfs_format.h
index e0034d3163dc8b1a2123bfea8c4cd54a442f1702..8ddbd1e2cc4dc71d94afed58787c9e2efa2780f9 100644 (file)
--- a/libxfs/xfs_format.h
+++ b/libxfs/xfs_format.h
@@ -457,7 +457,8 @@ xfs_sb_has_compat_feature(
 #define XFS_SB_FEAT_RO_COMPAT_FINOBT   (1 << 0)                /* free inode btree */
 #define XFS_SB_FEAT_RO_COMPAT_RMAPBT   (1 << 1)                /* reverse map btree */
 #define XFS_SB_FEAT_RO_COMPAT_ALL \
-               (XFS_SB_FEAT_RO_COMPAT_FINOBT)
+               (XFS_SB_FEAT_RO_COMPAT_FINOBT | \
+                XFS_SB_FEAT_RO_COMPAT_RMAPBT)
 #define XFS_SB_FEAT_RO_COMPAT_UNKNOWN  ~XFS_SB_FEAT_RO_COMPAT_ALL
 static inline bool
 xfs_sb_has_ro_compat_feature(