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-rw-r--r--drivers/md/dm.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 2011704b8ba..cd2f7e77b62 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -512,9 +512,11 @@ static void end_io_acct(struct dm_io *io)
*/
static void queue_io(struct mapped_device *md, struct bio *bio)
{
- spin_lock_irq(&md->deferred_lock);
+ unsigned long flags;
+
+ spin_lock_irqsave(&md->deferred_lock, flags);
bio_list_add(&md->deferred, bio);
- spin_unlock_irq(&md->deferred_lock);
+ spin_unlock_irqrestore(&md->deferred_lock, flags);
queue_work(md->wq, &md->work);
}