From: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Date: Sun, 31 Mar 2013 03:47:20 +0000 (+0900)
Subject: f2fs: remove redundant lock_page calls
X-Git-Tag: v3.10-rc1~45^2~40
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=56ae674cc27230ea86ab25db7fcf1f32dfe17ec1;p=pandora-kernel.git

f2fs: remove redundant lock_page calls

In get_node_page, we do not need to call lock_page all the time.

If the node page is cached as uptodate,

1. grab_cache_page locks the page,
2. read_node_page unlocks the page, and
3. lock_page is called for further process.

Let's avoid this.

Reviewed-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
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