tree 7e45ca559a85f91f1cae0605a34415ec8017307c
parent d59981db6b62a1e73bb644ebd95c692517226f23
author Chao Yu <chao2.yu@samsung.com> 1455447273 +0800
committer chrmhoffmann <chrmhoffmann@gmail.com> 1510606818 +0100

f2fs: enhance IO path with block plug

Try to use block plug in more place as below to let process cache bios
as much as possbile, in order to reduce lock overhead of queue in IO
scheduler.
1) sync_meta_pages
2) ra_meta_pages
3) f2fs_balance_fs_bg

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