xfs: minor cleanup for xfs_reflink_end_cow
authorChristoph Hellwig <hch@lst.de>
Wed, 14 Mar 2018 06:15:33 +0000 (23:15 -0700)
committerDarrick J. Wong <darrick.wong@oracle.com>
Thu, 15 Mar 2018 17:31:38 +0000 (10:31 -0700)
commitdf79b81b2e6a801c134c3e06c647715a316b4a92
treea744eb0c45de9d6fc72361cc7434d80bdb4bf45e
parent1d4352de511f4c9b6f4466c8fd4cfc25b14869b7
xfs: minor cleanup for xfs_reflink_end_cow

Use xfs_iext_prev_extent to skip to the previous extent instead of
opencoding it.

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