On Thu, Jun 16, 2016 at 06:23:05PM -0700, Darrick J. Wong wrote: > 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 6efc7a3..1b08237 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 a8300e4..9328821 100644 > --- a/fs/xfs/xfs_super.c > +++ b/fs/xfs/xfs_super.c > @@ -1571,6 +1571,10 @@ 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 _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
