Btrfs: handle operations for device replace separately

Since this part is mostly independent, this moves it to a separate
function.

Reviewed-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Liu Bo 2017-03-14 13:33:58 -07:00 • committed by David Sterba
commit 73c0f22825