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| author | Darrick J. Wong <darrick.wong@oracle.com> | 2016-10-03 16:11:50 (GMT) |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2016-10-05 23:26:31 (GMT) |
| commit | 4f435ebe7d0422af61cdcddbbcc659888645a1e1 (patch) | |
| tree | 49f6833f8b5b9e71c2df1b540fcbe933dfcd7087 /fs/xfs/libxfs | |
| parent | c8e156ac336d82f67d7adc014404a2251e9dad09 (diff) | |
| download | linux-4f435ebe7d0422af61cdcddbbcc659888645a1e1.tar.xz | |
xfs: don't mix reflink and DAX mode for now
Since we don't have a strategy for handling both DAX and reflink,
for now we'll just prohibit both being set at the same time.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'fs/xfs/libxfs')
| -rw-r--r-- | fs/xfs/libxfs/xfs_inode_buf.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_inode_buf.c b/fs/xfs/libxfs/xfs_inode_buf.c index f1b9d97..8de9a3a 100644 --- a/fs/xfs/libxfs/xfs_inode_buf.c +++ b/fs/xfs/libxfs/xfs_inode_buf.c @@ -407,6 +407,10 @@ xfs_dinode_verify( if ((flags2 & XFS_DIFLAG2_REFLINK) && (flags & XFS_DIFLAG_REALTIME)) return false; + /* don't let reflink and dax mix */ + if ((flags2 & XFS_DIFLAG2_REFLINK) && (flags2 & XFS_DIFLAG2_DAX)) + return false; + return true; } |