linux-kernel - [PATCH 3/5] f2fs: blk_finish_plug of submit

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Date:   Thu, 12 Jul 2018 23:09:28 +0800
From:   Yunlong Song <yunlong.song@...wei.com>
To:     <jaegeuk@...nel.org>, <chao@...nel.org>, <yuchao0@...wei.com>,
        <yunlong.song@...oud.com>, <yunlong.song@...wei.com>
CC:     <miaoxie@...wei.com>, <bintian.wang@...wei.com>,
        <shengyong1@...wei.com>, <heyunlei@...wei.com>,
        <linux-f2fs-devel@...ts.sourceforge.net>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH 3/5] f2fs: blk_finish_plug of submit_bio in lfs mode

Expand the blk_finish_plug action from blkzoned to normal lfs mode,
since plug will cause the out-of-order IO submission, which is not
friendly to flash in lfs mode.

Signed-off-by: Yunlong Song <yunlong.song@...wei.com>
---
 fs/f2fs/data.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 70813a4..f12151d 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -263,7 +263,7 @@ static inline void __submit_bio(struct f2fs_sb_info *sbi,
 		if (type != DATA && type != NODE)
 			goto submit_io;
 
-		if (f2fs_sb_has_blkzoned(sbi->sb) && current->plug)
+		if (test_opt(sbi, LFS) && current->plug)
 			blk_finish_plug(current->plug);
 
 		start = bio->bi_iter.bi_size >> F2FS_BLKSIZE_BITS;
-- 
1.8.5.2