From d2138455286f9db8fbff9b50b53b51766f6c1f92 Mon Sep 17 00:00:00 2001
From: "Yan, Zheng" <zyan@redhat.com>
Date: Tue, 17 May 2016 11:52:48 +0800
Subject: [PATCH] FS-Cache: wake write waiter after invalidating writes

Signed-off-by: Yan, Zheng <zyan@redhat.com>
Acked-by: David Howells <dhowells@redhat.com>
---
 fs/fscache/page.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/fscache/page.c b/fs/fscache/page.c
index 3078b679fcd1..c8c4f79c7ce1 100644
--- a/fs/fscache/page.c
+++ b/fs/fscache/page.c
@@ -887,6 +887,8 @@ void fscache_invalidate_writes(struct fscache_cookie *cookie)
 			put_page(results[i]);
 	}
 
+	wake_up_bit(&cookie->flags, 0);
+
 	_leave("");
 }