tree 66a4821769e2feb60de4265b8b9d7b03706d544d
parent 187b5b8b3dfcfc73126f2743c89cc47df3bf07be
author Jaegeuk Kim <jaegeuk.kim@samsung.com> 1385783474 +0900
committer Jaegeuk Kim <jaegeuk.kim@samsung.com> 1387761485 +0900

f2fs: refactor bio-related operations

This patch integrates redundant bio operations on read and write IOs.

1. Move bio-related codes to the top of data.c.
2. Replace f2fs_submit_bio with f2fs_submit_merged_bio, which handles read
   bios additionally.
3. Introduce __submit_merged_bio to submit the merged bio.
4. Change f2fs_readpage to f2fs_submit_page_bio.
5. Introduce f2fs_submit_page_mbio to integrate previous submit_read_page and
   submit_write_page.

Reviewed-by: Gu Zheng <guz.fnst@cn.fujitsu.com>
Reviewed-by: Chao Yu <chao2.yu@samsung.com >
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>