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

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Message-ID: <58AE4111.2070406@huawei.com>
Date:   Thu, 23 Feb 2017 09:55:29 +0800
From:   Yunlong Song <yunlong.song@...wei.com>
To:     Jaegeuk Kim <jaegeuk@...nel.org>
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

Yes, exactly, I just mean it for short with word "clean up", thanks for correction.

On 2017/2/23 8:59, Jaegeuk Kim wrote:
> 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);
>  


-- 
Thanks,
Yunlong Song