linux-kernel - Re: [PATCH v2] f2fs: avoid frequent background GC

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Message-ID: <CAKYAXd-6J2ZcEjHOcOWpDDnPT-AydLL1N4Ds6t7A9vzLdGKzjw@mail.gmail.com>
Date:	Fri, 26 Apr 2013 08:52:40 +0900
From:	Namjae Jeon <linkinjeon@...il.com>
To:	jaegeuk.kim@...sung.com
Cc:	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-f2fs-devel@...ts.sourceforge.net
Subject: Re: [PATCH v2] f2fs: avoid frequent background GC

2013/4/25, Jaegeuk Kim <jaegeuk.kim@...sung.com>:
> Hi, Namjae,
>
> Agreed. How about this?
>
> Chang log from v1:
>  o change timings - min 30s, max 60s, nogc 5 min
>  o remove nonreachable routine
>  o consider NOGC_SLEEP_TIME in increate/decrease_sleep_time
>
> From 806e344624414fcf9fc87f6193265859027d51b5 Mon Sep 17 00:00:00 2001
> From: Jaegeuk Kim <jaegeuk.kim@...sung.com>
> Date: Wed, 24 Apr 2013 13:00:14 +0900
> Subject: [PATCH] f2fs: avoid frequent background GC
> Cc: linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
> linux-f2fs-devel@...ts.sourceforge.net
>
> If there is no victim segments selected by background GC, let's wait
> a little bit longer time to collect dirty segments.
> By default, let's give 5 minutes.
>
> Signed-off-by: Jaegeuk Kim <jaegeuk.kim@...sung.com>
Looks good!
Reviewed-by: Namjae Jeon <namjae.jeon@...sung.com>

Thanks~
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