dm: merge __flush_deferred_io into caller
Merge __flush_deferred_io() into the only caller, dm_wq_work().
There's no need to have a function that has only one caller.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 385c2e8..4ba0811 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -1401,14 +1401,20 @@
/*
* Process the deferred bios
*/
-static void __flush_deferred_io(struct mapped_device *md)
+static void dm_wq_work(struct work_struct *work)
{
+ struct mapped_device *md = container_of(work, struct mapped_device,
+ work);
struct bio *c;
+ down_write(&md->io_lock);
+
while ((c = bio_list_pop(&md->deferred)))
__split_and_process_bio(md, c);
clear_bit(DMF_BLOCK_IO, &md->flags);
+
+ up_write(&md->io_lock);
}
static void __merge_pushback_list(struct mapped_device *md)
@@ -1422,16 +1428,6 @@
spin_unlock_irqrestore(&md->pushback_lock, flags);
}
-static void dm_wq_work(struct work_struct *work)
-{
- struct mapped_device *md = container_of(work, struct mapped_device,
- work);
-
- down_write(&md->io_lock);
- __flush_deferred_io(md);
- up_write(&md->io_lock);
-}
-
static void dm_queue_flush(struct mapped_device *md)
{
queue_work(md->wq, &md->work);