linux-kernel - Re: [patch] implement smarter atime updates support, v2

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Date:	Sun, 5 Aug 2007 16:42:20 -0400
From:	Theodore Tso <tytso@....edu>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Jakob Oestergaard <jakob@...hought.net>,
	Jeff Garzik <jeff@...zik.org>, miklos@...redi.hu,
	akpm@...ux-foundation.org, neilb@...e.de, dgc@....com,
	tomoki.sekiyama.qu@...achi.com,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>, linux-mm@...ck.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	nikita@...sterfs.com, trond.myklebust@....uio.no,
	yingchao.zhou@...il.com, richard@....demon.co.uk, david@...g.hm
Subject: Re: [patch] implement smarter atime updates support, v2

On Sun, Aug 05, 2007 at 09:28:38PM +0200, Ingo Molnar wrote:
> 
> added the relatime_interval sysctl that allows the changing of the atime 
> update frequency. (default: 1 day / 86400 seconds)

What if you specify the interval as a per-mount option?  i.e., 

	mount -o relatime=86400 /dev/sda2 /u1

If you had this, I don't think we would need the sysctl tuning parameter.

							- Ted
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