diff --git a/fs/gfs2/ops_super.c b/fs/gfs2/ops_super.c
index e06ef8d..9130d0d 100644
--- a/fs/gfs2/ops_super.c
+++ b/fs/gfs2/ops_super.c
@@ -74,10 +74,10 @@
 
 	/*  Unfreeze the filesystem, if we need to  */
 
-	down(&sdp->sd_freeze_lock);
+	mutex_lock(&sdp->sd_freeze_lock);
 	if (sdp->sd_freeze_count)
 		gfs2_glock_dq_uninit(&sdp->sd_freeze_gh);
-	up(&sdp->sd_freeze_lock);
+	mutex_unlock(&sdp->sd_freeze_lock);
 
 	kthread_stop(sdp->sd_inoded_process);
 	kthread_stop(sdp->sd_quotad_process);