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Message-Id: <16cfab4a6cb77f47f9a632a774d8bd04b4fe9ff2.1292604745.git.minchan.kim@gmail.com>
Date: Sat, 18 Dec 2010 02:13:37 +0900
From: Minchan Kim <minchan.kim@...il.com>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: linux-mm <linux-mm@...ck.org>, LKML <linux-kernel@...r.kernel.org>,
Minchan Kim <minchan.kim@...il.com>,
Miklos Szeredi <miklos@...redi.hu>,
fuse-devel@...ts.sourceforge.net
Subject: [RFC 2/5] fuse: Remove unnecessary page release
This patch series changes remove_from_page_cache's page ref counting
rule. page cache ref count is decreased in remove_from_page_cache.
So we don't need call again in caller context.
Cc: Miklos Szeredi <miklos@...redi.hu>
Cc: fuse-devel@...ts.sourceforge.net
Signed-off-by: Minchan Kim <minchan.kim@...il.com>
---
fs/fuse/dev.c | 1 -
1 files changed, 0 insertions(+), 1 deletions(-)
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index cf8d28d..4adaf4b 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -738,7 +738,6 @@ static int fuse_try_move_page(struct fuse_copy_state *cs, struct page **pagep)
goto out_fallback_unlock;
remove_from_page_cache(oldpage);
- page_cache_release(oldpage);
err = add_to_page_cache_locked(newpage, mapping, index, GFP_KERNEL);
if (err) {
--
1.7.0.4
--
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