diff --git a/sys/dev/md/md.c b/sys/dev/md/md.c
--- a/sys/dev/md/md.c
+++ b/sys/dev/md/md.c
@@ -917,11 +917,13 @@
 	 */
 
 	if (bp->bio_cmd == BIO_FLUSH) {
-		(void) vn_start_write(vp, &mp, V_WAIT);
-		vn_lock(vp, LK_EXCLUSIVE | LK_RETRY);
-		error = VOP_FSYNC(vp, MNT_WAIT, td);
-		VOP_UNLOCK(vp);
-		vn_finished_write(mp);
+		do {
+			(void) vn_start_write(vp, &mp, V_WAIT);
+			vn_lock(vp, LK_EXCLUSIVE | LK_RETRY);
+			error = VOP_FSYNC(vp, MNT_WAIT, td);
+			VOP_UNLOCK(vp);
+			vn_finished_write(mp);
+		} while (error == ERELOOKUP);
 		return (error);
 	} else if (bp->bio_cmd == BIO_DELETE) {
 		error = vn_deallocate(vp, &off, &len, 0,
diff --git a/sys/vm/vm_object.c b/sys/vm/vm_object.c
--- a/sys/vm/vm_object.c
+++ b/sys/vm/vm_object.c
@@ -1233,8 +1233,22 @@
 		res = vm_object_page_clean(object, offset, offset + size,
 		    flags);
 		VM_OBJECT_WUNLOCK(object);
-		if (fsync_after)
+		if (fsync_after) {
 			error = VOP_FSYNC(vp, MNT_WAIT, curthread);
+			for (;;) {
+				if (error != ERELOOKUP)
+					break;
+				VOP_UNLOCK(vp);
+				vn_finished_write(mp);
+				/*
+				 * Allow SU/bufdaemon to handle more
+				 * dependencies meantime.
+				 */
+				(void) vn_start_write(vp, &mp, V_WAIT);
+				vn_lock(vp, LK_EXCLUSIVE | LK_RETRY);
+				error = VOP_FSYNC(vp, MNT_WAIT, curthread);
+			}
+		}
 		VOP_UNLOCK(vp);
 		vn_finished_write(mp);
 		if (error != 0)