Btrfs: use wait_event instead of a single function

Since TASK_UNINTERRUPTIBLE has been used here, wait_event() can do the
same job.

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 2017-09-01 16:14:29 -06:00 • committed by David Sterba
commit 45bac0f3d2