From: Ingo Molnar <mingo@elte.hu>
To: Matthew Wilcox <matthew@wil.cx>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Matthew Garrett <mjg@redhat.com>,
Jamie Lokier <jamie@shareable.org>, J?rn Engel <joern@logfs.org>,
Christoph Hellwig <hch@infradead.org>,
Randy Dunlap <randy.dunlap@oracle.com>,
linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
mingo@redhat.com, val.henson@gmail.com
Subject: Re: [PATCH v2 2/2] relatime: Allow making relatime the default behaviour
Date: Sat, 29 Nov 2008 22:41:19 +0100 [thread overview]
Message-ID: <20081129214119.GA518@elte.hu> (raw)
In-Reply-To: <20081129203856.GY25548@parisc-linux.org>
* Matthew Wilcox <matthew@wil.cx> wrote:
> On Sat, Nov 29, 2008 at 12:32:20PM -0800, Andrew Morton wrote:
> > The standard, usual, expected way of modifying a filesystem's behaviour
> > is via mount options. This is also quite flexible.
> >
> > Is there some extraordinary reason why the standard interface is not to
> > be used here?
>
> Because it would have to be managed (and consulted) per ... what?
> vfsmount? superblock? This is featuritis gone MAD.
>
> I'll take my bikeshed in teal, stippled with cornsilk.
agreed.
Meanwhile, 10 years and counting, the Linux kernel still generates a
stupid write IO for every file read that apps do. Fortunately hardware
designers will get rid of rotating disks faster than we can fix our
glaring process problems in this space - but it's still a bit sad.
Ingo
next prev parent reply other threads:[~2008-11-29 21:42 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-26 19:54 [PATCH 1/2] relatime: Make atime updates more useful Matthew Garrett
2008-11-26 19:58 ` [PATCH 2/2] relatime: Allow making relatime the default behaviour Matthew Garrett
2008-11-26 21:11 ` Matthew Wilcox
2008-11-26 22:39 ` Randy Dunlap
2008-11-27 15:01 ` [PATCH v2 1/2] relatime: Make relatime behaviour smarter Matthew Garrett
2008-11-27 15:03 ` [PATCH v2 2/2] relatime: Allow making relatime the default behaviour Matthew Garrett
2008-11-27 15:07 ` Ingo Molnar
2008-11-27 16:03 ` Karel Zak
[not found] ` <20081127160353.GQ2961-sHeGUpI7y9L/9pzu0YdTqQ@public.gmane.org>
2008-11-27 17:30 ` Pádraig Brady
[not found] ` <492ED945.5010600-V8g9lnOeT5ydJdNcDFJN0w@public.gmane.org>
2008-11-27 17:39 ` Matthew Garrett
2008-11-27 16:35 ` Alan Cox
2008-11-27 16:47 ` Matthew Garrett
2008-11-27 16:59 ` [PATCH v3] relatime: Make relatime smarter Matthew Garrett
2008-11-27 17:06 ` Christoph Hellwig
2008-11-27 17:58 ` [PATCH v4] " Matthew Garrett
2008-11-27 22:08 ` Andreas Dilger
2008-11-27 22:35 ` Matthew Wilcox
2008-11-28 11:13 ` Jamie Lokier
2008-11-28 13:41 ` Matthew Garrett
2008-11-28 11:18 ` Jamie Lokier
2008-11-28 13:40 ` Matthew Wilcox
2008-11-28 13:47 ` Matthew Garrett
2008-12-02 11:10 ` Karel Zak
2008-12-02 16:46 ` Matthew Wilcox
2008-11-27 19:15 ` [PATCH v3] " Alan Cox
2008-11-28 11:16 ` Jamie Lokier
2008-11-28 13:45 ` Matthew Garrett
2008-11-27 17:03 ` [PATCH v2 2/2] relatime: Allow making relatime the default behaviour Christoph Hellwig
2008-11-29 8:24 ` Andrew Morton
2008-11-29 13:03 ` Matthew Wilcox
2008-11-29 13:57 ` Jörn Engel
2008-11-29 18:56 ` Jamie Lokier
2008-11-29 19:02 ` Matthew Garrett
2008-11-29 20:32 ` Andrew Morton
2008-11-29 20:38 ` Matthew Wilcox
2008-11-29 20:56 ` Andrew Morton
2008-11-29 21:41 ` Ingo Molnar [this message]
2008-11-29 20:55 ` Arjan van de Ven
2008-11-29 21:03 ` Matthew Garrett
2008-11-29 21:02 ` Matthew Garrett
2008-11-27 15:06 ` [PATCH v2 1/2] relatime: Make relatime behaviour smarter Ingo Molnar
2008-11-29 8:29 ` [PATCH 1/2] relatime: Make atime updates more useful Andrew Morton
2008-12-02 17:19 ` [PATCH] relatime: Let relatime update atime at least once per day Matthew Garrett
2008-12-13 5:26 ` Valerie Aurora Henson
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