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Commit df12ee99 authored by Alasdair G Kergon's avatar Alasdair G Kergon
Browse files

dm: rearrange dm_wq_work 



Refactor dm_wq_work() to make later patch more readable.

Signed-off-by: default avatarAlasdair G Kergon <agk@redhat.com>
parent 692d0eb9

drivers/md/dm.c

+9 −8
Original line number Diff line number Diff line
@@ -1437,17 +1437,18 @@ static void dm_wq_work(struct work_struct *work) 


	down_write(&md->io_lock);



next_bio:

	while (1) {

		spin_lock_irq(&md->deferred_lock);

		c = bio_list_pop(&md->deferred);

		spin_unlock_irq(&md->deferred_lock);



	if (c) {

		__split_and_process_bio(md, c);

		goto next_bio;

		if (!c) {

			clear_bit(DMF_BLOCK_IO, &md->flags);

			break;

		}



	clear_bit(DMF_BLOCK_IO, &md->flags);

		__split_and_process_bio(md, c);

	}



	up_write(&md->io_lock);

}