xfs: don't mix reflink and DAX mode for now
authorDarrick J. Wong <darrick.wong@oracle.com>
Mon, 3 Oct 2016 16:11:50 +0000 (09:11 -0700)
committerDarrick J. Wong <darrick.wong@oracle.com>
Wed, 5 Oct 2016 23:26:31 +0000 (16:26 -0700)
commit4f435ebe7d0422af61cdcddbbcc659888645a1e1
tree49f6833f8b5b9e71c2df1b540fcbe933dfcd7087
parentc8e156ac336d82f67d7adc014404a2251e9dad09
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>
fs/xfs/libxfs/xfs_inode_buf.c
fs/xfs/xfs_file.c
fs/xfs/xfs_ioctl.c
fs/xfs/xfs_iops.c