linux-kernel - [PATCH 1/1] fs/cachefiles: fix sparse context imbalance warning

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Message-Id: <1411061927-8497-1-git-send-email-fabf@skynet.be>
Date:	Thu, 18 Sep 2014 19:38:47 +0200
From:	Fabian Frederick <fabf@...net.be>
To:	linux-kernel@...r.kernel.org
Cc:	Fabian Frederick <fabf@...net.be>,
	David Howells <dhowells@...hat.com>, linux-cachefs@...hat.com
Subject: [PATCH 1/1] fs/cachefiles: fix sparse context imbalance warning

Annotate cachefiles_uncache_page to avoid the following sparse warning:
fs/cachefiles/rdwr.c:972:20: warning: context imbalance in 'cachefiles_uncache_page' - unexpected unlock

Signed-off-by: Fabian Frederick <fabf@...net.be>
---
 fs/cachefiles/rdwr.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/cachefiles/rdwr.c b/fs/cachefiles/rdwr.c
index 616db0e7..ee52f4c 100644
--- a/fs/cachefiles/rdwr.c
+++ b/fs/cachefiles/rdwr.c
@@ -953,6 +953,7 @@ int cachefiles_write_page(struct fscache_storage *op, struct page *page)
  * - cache withdrawal is prevented by the caller
  */
 void cachefiles_uncache_page(struct fscache_object *_object, struct page *page)
+	__releases(&object->fscache.cookie->lock)
 {
 	struct cachefiles_object *object;
 	struct cachefiles_cache *cache;
-- 
1.9.1

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