linux-kernel - Re: [PATCH 00/23] per device dirty throttling -v8

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Message-ID: <alpine.LFD.0.999.0708041247540.5037@woody.linux-foundation.org>
Date:	Sat, 4 Aug 2007 12:49:05 -0700 (PDT)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Jörn Engel <joern@...fs.org>
cc:	Ingo Molnar <mingo@...e.hu>, Jeff Garzik <jeff@...zik.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>, linux-mm@...ck.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	miklos@...redi.hu, akpm@...ux-foundation.org, neilb@...e.de,
	dgc@....com, tomoki.sekiyama.qu@...achi.com, nikita@...sterfs.com,
	trond.myklebust@....uio.no, yingchao.zhou@...il.com,
	richard@....demon.co.uk, david@...g.hm
Subject: Re: [PATCH 00/23] per device dirty throttling -v8



On Sat, 4 Aug 2007, Linus Torvalds wrote:
> 
> Well, we could make it the default for the kernel (possibly under a 
> "fast-atime" config option), and then people can add "atime" or "noatime" 
> as they wish, since mount has supported _those_ options for a long time.

Side note: while I think the fsync() behaviour is more irritating than 
atime, that one is harder to fix. I think it's reasonable to have 
"relatime" as a default strategy for the kernel, but I don't think it's 
necessarily at all as reasonable to change a filesystem-specific ordering 
constraint.

			Linus
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