xfs: set cowblocks tag for direct cow writes too
authorDarrick J. Wong <darrick.wong@oracle.com>
Thu, 14 Dec 2017 23:46:06 +0000 (15:46 -0800)
committerDarrick J. Wong <darrick.wong@oracle.com>
Thu, 21 Dec 2017 16:47:37 +0000 (08:47 -0800)
commit86d692bfad1b0097fa866f5fcfa5f5adf4cd82e8
treeacd6e1b0bbf99471cb783be8183077aa298841ba
parent10ddf64e420f7f6c1a871bfb4ff2de08faef8235
xfs: set cowblocks tag for direct cow writes too

If a user performs a direct CoW write, we end up loading the CoW fork
with preallocated extents.  Therefore, we must set the cowblocks tag so
that they can be cleared out if we run low on space.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
fs/xfs/xfs_reflink.c