linux-kernel - Re: [PATCH 1/3] f2fs: clean up codes in get_ssr

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Date:   Wed, 22 Feb 2017 16:59:15 -0800
From:   Jaegeuk Kim <jaegeuk@...nel.org>
To:     Yunlong Song <yunlong.song@...wei.com>
Cc:     cm224.lee@...sung.com, yuchao0@...wei.com, chao@...nel.org,
        sylinux@....com, miaoxie@...wei.com, bintian.wang@...wei.com,
        linux-fsdevel@...r.kernel.org,
        linux-f2fs-devel@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] f2fs: clean up codes in get_ssr_segment

On 02/22, Jaegeuk Kim wrote:
> Hi Yunlong,
> 
> This is NOT clean-up. What's your point here?

I guess you wanted to do like this.

>From 8d344ac45890dd95c5734fd29a19a7c19364c327 Mon Sep 17 00:00:00 2001
From: Yunlong Song <yunlong.song@...wei.com>
Date: Wed, 22 Feb 2017 20:50:49 +0800
Subject: [PATCH] f2fs: do SSR for data when there is enough free space

In allocate_segment_by_default(), need_SSR() already detected it's time to do
SSR. So, let's try to find victims for data segments more aggressively in time.

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

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index d01ee7b94702..c27dab43c42f 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -1541,7 +1541,7 @@ static int get_ssr_segment(struct f2fs_sb_info *sbi, int type)
 	struct curseg_info *curseg = CURSEG_I(sbi, type);
 	const struct victim_selection *v_ops = DIRTY_I(sbi)->v_ops;
 
-	if (IS_NODESEG(type) || !has_not_enough_free_secs(sbi, 0, 0))
+	if (IS_NODESEG(type))
 		return v_ops->get_victim(sbi,
 				&(curseg)->next_segno, BG_GC, type, SSR);
 
-- 
2.11.0