linux-kernel - Re: [RFC] [PATCH] Relative lazy atime

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Message-ID: <20060806030147.GG4379@parisc-linux.org>
Date:	Sat, 5 Aug 2006 21:01:47 -0600
From:	Matthew Wilcox <matthew@....cx>
To:	dean gaudet <dean@...tic.org>
Cc:	David Lang <dlang@...italinsight.com>,
	Mark Fasheh <mark.fasheh@...cle.com>,
	Chris Wedgwood <cw@...f.org>,
	Arjan van de Ven <arjan@...ux.intel.com>,
	Dave Kleikamp <shaggy@...tin.ibm.com>,
	Christoph Hellwig <hch@....de>,
	Valerie Henson <val_henson@...ux.intel.com>,
	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	Akkana Peck <akkana@...llowsky.com>,
	Jesse Barnes <jesse.barnes@...el.com>, jsipek@...sunysb.edu,
	Al Viro <viro@....linux.org.uk>
Subject: Re: [RFC] [PATCH] Relative lazy atime

On Sat, Aug 05, 2006 at 04:28:29PM -0700, dean gaudet wrote:
> you can work around mutt's silly dependancy on atime by configuring it 
> with --enable-buffy-size.  so far mutt is the only program i've discovered 
> which cares about atime.

For the shell, atime is the difference between 'you have mail' and 'you
have new mail'.

I still don't understand though, how much does this really buy us over
nodiratime?
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