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-rw-r--r--drivers/md/md.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 6f25e3f1a1cf..9767bb33df56 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -344,6 +344,7 @@ static blk_qc_t md_make_request(struct request_queue *q, struct bio *bio)
void mddev_suspend(struct mddev *mddev)
{
WARN_ON_ONCE(mddev->thread && current == mddev->thread->tsk);
+ lockdep_assert_held(&mddev->reconfig_mutex);
if (mddev->suspended++)
return;
synchronize_rcu();
@@ -357,6 +358,7 @@ EXPORT_SYMBOL_GPL(mddev_suspend);
void mddev_resume(struct mddev *mddev)
{
+ lockdep_assert_held(&mddev->reconfig_mutex);
if (--mddev->suspended)
return;
wake_up(&mddev->sb_wait);
@@ -663,6 +665,7 @@ void mddev_unlock(struct mddev *mddev)
*/
spin_lock(&pers_lock);
md_wakeup_thread(mddev->thread);
+ wake_up(&mddev->sb_wait);
spin_unlock(&pers_lock);
}
EXPORT_SYMBOL_GPL(mddev_unlock);