md/raid5: ensure whole batch is delayed for all required bitmap updates. (2b6b2457) · Commits · 戴 / test

drivers/md/raid5.c

+9 −0

Original line number	Diff line number	Diff line
		@@ -837,6 +837,15 @@ static void stripe_add_to_batch_list(struct r5conf conf, struct stripe_head sh
		< IO_THRESHOLD)
		md_wakeup_thread(conf->mddev->thread);

		if (test_and_clear_bit(STRIPE_BIT_DELAY, &sh->state)) {
		int seq = sh->bm_seq;
		if (test_bit(STRIPE_BIT_DELAY, &sh->batch_head->state) &&
		sh->batch_head->bm_seq > seq)
		seq = sh->batch_head->bm_seq;
		set_bit(STRIPE_BIT_DELAY, &sh->batch_head->state);
		sh->batch_head->bm_seq = seq;
		}

		atomic_inc(&sh->count);
		unlock_out:
		unlock_two_stripes(head, sh);