dm: convert wait loops to use autoremove_wake_function()
Use autoremove_wake_function() instead of default_wake_function()
to make the dm wait loops more similar to other wait loops in the
kernel. This patch does not change any functionality.
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index 15db5e9..c777d38 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -1193,21 +1193,17 @@
static void multipath_wait_for_pg_init_completion(struct multipath *m)
{
- DECLARE_WAITQUEUE(wait, current);
-
- add_wait_queue(&m->pg_init_wait, &wait);
+ DEFINE_WAIT(wait);
while (1) {
- set_current_state(TASK_UNINTERRUPTIBLE);
+ prepare_to_wait(&m->pg_init_wait, &wait, TASK_UNINTERRUPTIBLE);
if (!atomic_read(&m->pg_init_in_progress))
break;
io_schedule();
}
- set_current_state(TASK_RUNNING);
-
- remove_wait_queue(&m->pg_init_wait, &wait);
+ finish_wait(&m->pg_init_wait, &wait);
}
static void flush_multipath_work(struct multipath *m)