Commit ad3ab8b6 authored by Jes Sorensen's avatar Jes Sorensen Committed by NeilBrown
Browse files

md: do_release_stripe(): No need to call md_wakeup_thread() twice 



67f45548 introduced a call to
md_wakeup_thread() when adding to the delayed_list. However the md
thread is woken up unconditionally just below.

Remove the unnecessary wakeup call.

Signed-off-by: default avatarJes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: default avatarNeilBrown <neilb@suse.de>
parent 75aaf4c3

drivers/md/raid5.c

+2 −5
Original line number Diff line number Diff line
@@ -296,12 +296,9 @@ static void do_release_stripe(struct r5conf *conf, struct stripe_head *sh, 
	BUG_ON(atomic_read(&conf->active_stripes)==0);

	if (test_bit(STRIPE_HANDLE, &sh->state)) {

		if (test_bit(STRIPE_DELAYED, &sh->state) &&

		    !test_bit(STRIPE_PREREAD_ACTIVE, &sh->state)) {

		    !test_bit(STRIPE_PREREAD_ACTIVE, &sh->state))

			list_add_tail(&sh->lru, &conf->delayed_list);

			if (atomic_read(&conf->preread_active_stripes)

			    < IO_THRESHOLD)

				md_wakeup_thread(conf->mddev->thread);

		} else if (test_bit(STRIPE_BIT_DELAY, &sh->state) &&

		else if (test_bit(STRIPE_BIT_DELAY, &sh->state) &&

			   sh->bm_seq - conf->seq_write > 0)

			list_add_tail(&sh->lru, &conf->bitmap_list);

		else {