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)
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

index e49e6db..47aea2e 100644 (file)
@@ -454,6 +454,8 @@ retry:
        if (error)
                goto out_bmap_cancel;
 
+       xfs_inode_set_cowblocks_tag(ip);
+
        /* Finish up. */
        error = xfs_defer_finish(&tp, &dfops);
        if (error)