xfs: refactor swapext code
authorDarrick J. Wong <darrick.wong@oracle.com>
Mon, 3 Oct 2016 16:11:53 +0000 (09:11 -0700)
committerDarrick J. Wong <darrick.wong@oracle.com>
Wed, 5 Oct 2016 23:26:32 +0000 (16:26 -0700)
commit39aff5fdb91e8fee6a2c28910a263a5228619ba2
tree3ede2916e779d0e15642eb215fbebbe697fbfb18
parente06259aa08fbc88c824130764c8667a8cc68c4d1
xfs: refactor swapext code

Refactor the swapext function to pull out the fork swapping piece
into a separate function.  In the next patch we'll add in the bit
we need to make it work with rmap filesystems.

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