tree 5c1b598aac5d326a0d524937584ee01ddcffa274
parent 3375f696bd9cfdfd385e2460a9cf021d8ef01eab
author Chao Yu <chao2.yu@samsung.com> 1391760713 +0800
committer Jaegeuk Kim <jaegeuk.kim@samsung.com> 1392616733 +0900

f2fs: introduce ra_meta_pages to readahead CP/NAT/SIT pages

This patch help us to cleanup the readahead code by merging ra_{sit,nat}_pages
function into ra_meta_pages.
Additionally the new function is used to readahead cp block in
recover_orphan_inodes.

Change log from v1:
 o fix a deadloop bug pointed by Jaegeuk Kim.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>