f2fs: add a new function to support for merging contiguous read
authorChao Yu <chao2.yu@samsung.com>
Wed, 20 Nov 2013 06:46:39 +0000 (14:46 +0800)
committerJaegeuk Kim <jaegeuk.kim@samsung.com>
Mon, 23 Dec 2013 01:18:02 +0000 (10:18 +0900)
commit924b720b589f91311657216c97edbb3337449270
tree4ff02959ff2ebe1007dc8da0cb77c83d0c05cc72
parentce3b7d80edad7bc5ff347b9ff02f1484265b1f05
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>
fs/f2fs/data.c
fs/f2fs/f2fs.h
fs/f2fs/super.c