From: Dave Chinner <dchinner@xxxxxxxxxx> Add the feature flag to the supported matrix so that the kernel can mount and use rmap btree enabled filesystems v2: Move the EXPERIMENTAL message to fill_super so it only prints once. Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx> [darrick.wong@xxxxxxxxxx: move the experimental tag] Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx> Reviewed-by: Brian Foster <bfoster@xxxxxxxxxx> --- fs/xfs/libxfs/xfs_format.h | 3 ++- fs/xfs/xfs_super.c | 4 ++++ 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h index f6a0641..f814d42 100644 --- a/fs/xfs/libxfs/xfs_format.h +++ b/fs/xfs/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( diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index b8d4473..fbfe6c7 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -1578,6 +1578,10 @@ xfs_fs_fill_super( xfs_alert(mp, "EXPERIMENTAL sparse inode feature enabled. Use at your own risk!"); + if (xfs_sb_version_hasrmapbt(&mp->m_sb)) + xfs_alert(mp, + "EXPERIMENTAL reverse mapping btree feature enabled. Use at your own risk!"); + error = xfs_mountfs(mp); if (error) goto out_filestream_unmount; _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
