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| author | Darrick J. Wong | 2016-10-03 18:11:52 +0200 |
|---|---|---|
| committer | Darrick J. Wong | 2016-10-06 01:26:31 +0200 |
| commit | e54b5bf9d7aeb92d92c7f5115035e6a851d0f0c5 (patch) | |
| tree | bb8475324ce9e718d2f16d79a18e6414fb97269d /fs/xfs/xfs_super.c | |
| parent | xfs: simulate per-AG reservations being critically low (diff) | |
| download | kernel-qcow2-linux-e54b5bf9d7aeb92d92c7f5115035e6a851d0f0c5.tar.gz kernel-qcow2-linux-e54b5bf9d7aeb92d92c7f5115035e6a851d0f0c5.tar.xz kernel-qcow2-linux-e54b5bf9d7aeb92d92c7f5115035e6a851d0f0c5.zip | |
xfs: recognize the reflink feature bit
Add the reflink feature flag to the set of recognized feature flags.
This enables users to write to reflink filesystems.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'fs/xfs/xfs_super.c')
| -rw-r--r-- | fs/xfs/xfs_super.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index 15b9fcd16c67..72bde2811bd7 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -1614,6 +1614,9 @@ xfs_fs_fill_super( "DAX unsupported by block device. Turning off DAX."); mp->m_flags &= ~XFS_MOUNT_DAX; } + if (xfs_sb_version_hasreflink(&mp->m_sb)) + xfs_alert(mp, + "DAX and reflink have not been tested together!"); } if (xfs_sb_version_hasrmapbt(&mp->m_sb)) { @@ -1627,6 +1630,10 @@ xfs_fs_fill_super( "EXPERIMENTAL reverse mapping btree feature enabled. Use at your own risk!"); } + if (xfs_sb_version_hasreflink(&mp->m_sb)) + xfs_alert(mp, + "EXPERIMENTAL reflink feature enabled. Use at your own risk!"); + error = xfs_mountfs(mp); if (error) goto out_filestream_unmount; |