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dm: use signal_pending_state() in dm_wait_for_completion()

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Use signal_pending_state() instead of open-coding it.  This patch does
not change any functionality but makes it possible to pass TASK_KILLABLE
as the second argument of dm_wait_for_completion().  See also commit
16882c1e96 ("sched: fix TASK_WAKEKILL vs SIGKILL race").

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>.
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
This commit is contained in:
Bart Van Assche
2016-08-31 15:16:22 -07:00
committed by Mike Snitzer
parent b48633f83f
commit e3fabdfdf7
1 changed files with 1 additions and 2 deletions
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3
drivers/md/dm.c
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@@ -1954,8 +1954,7 @@ static int dm_wait_for_completion(struct mapped_device *md, long task_state)
if (!md_in_flight(md))
break;
if (task_state == TASK_INTERRUPTIBLE &&
signal_pending(current)) {
if (signal_pending_state(task_state, current)) {
r = -EINTR;
break;
}