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

67f455486d2ea20b2d94d6adf5b9b783d079e321 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: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: NeilBrown <neilb@suse.de>

1 files changed, 2 insertions, 5 deletions

diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index b98765f6f77f..274db1834d43 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -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 {