From: Chao Yu <chao2.yu@samsung.com>
Date: Wed, 20 Nov 2013 06:46:39 +0000 (+0800)
Subject: f2fs: add a new function to support for merging contiguous read
X-Git-Tag: v3.14-rc1~122^2~77
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=924b720b589f91311657216c97edbb3337449270;p=pandora-kernel.git

f2fs: add a new function to support for merging contiguous read

For better read performance, we add a new function to support for merging
contiguous read as the one for write.

v1-->v2:
 o add declarations here as Gu Zheng suggested.
 o use new structure f2fs_bio_info introduced by Jaegeuk Kim.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Acked-by: Gu Zheng <guz.fnst@cn.fujitsu.com>
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