diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 6786873..a623b00 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -242,11 +242,14 @@
 
 static int wb_priority(struct writeback_control *wbc)
 {
+	int ret = 0;
 	if (wbc->for_reclaim)
 		return FLUSH_HIGHPRI | FLUSH_STABLE;
+	if (wbc->sync_mode == WB_SYNC_ALL)
+		ret = FLUSH_COND_STABLE;
 	if (wbc->for_kupdate || wbc->for_background)
-		return FLUSH_LOWPRI | FLUSH_COND_STABLE;
-	return FLUSH_COND_STABLE;
+		ret |= FLUSH_LOWPRI;
+	return ret;
 }
 
 /*