linux-kernel - RE: [f2fs-dev] [PATCH 4/4] f2fs: call f2fs_balance

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Message-id: <015301d13e0e$d3a7aa60$7af6ff20$@samsung.com>
Date:	Thu, 24 Dec 2015 13:48:34 +0800
From:	Chao Yu <chao2.yu@...sung.com>
To:	'Jaegeuk Kim' <jaegeuk@...nel.org>, linux-kernel@...r.kernel.org,
	linux-fsdevel@...r.kernel.org,
	linux-f2fs-devel@...ts.sourceforge.net
Subject: RE: [f2fs-dev] [PATCH 4/4] f2fs: call f2fs_balance_fs only when	node
 was changed

> -----Original Message-----
> From: Jaegeuk Kim [mailto:jaegeuk@...nel.org]
> Sent: Thursday, December 24, 2015 3:14 AM
> To: linux-kernel@...r.kernel.org; linux-fsdevel@...r.kernel.org;
> linux-f2fs-devel@...ts.sourceforge.net
> Subject: Re: [f2fs-dev] [PATCH 4/4] f2fs: call f2fs_balance_fs only when node was changed
> 
> Change log v2:
>  - add dio case
> 
> >From c2d16a526371954671f9c8cff5f09f9d230f7993 Mon Sep 17 00:00:00 2001
> From: Jaegeuk Kim <jaegeuk@...nel.org>
> Date: Tue, 22 Dec 2015 13:23:35 -0800
> Subject: [PATCH] f2fs: call f2fs_balance_fs only when node was changed
> 
> If user tries to update or read data, we don't need to call f2fs_balance_fs
> which triggers f2fs_gc, which increases unnecessary long latency.
> 
> Signed-off-by: Jaegeuk Kim <jaegeuk@...nel.org>

Reviewed-by: Chao Yu <chao2.yu@...sung.com>

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