From: viro@parcelfarce.linux.theplanet.co.uk
To: Andrew Morton <akpm@osdl.org>,
torvalds@osdl.org, linux-kernel@vger.kernel.org
Subject: Re: [Patch] BME, noatime and nodiratime
Date: Wed, 7 Apr 2004 07:44:03 +0100 [thread overview]
Message-ID: <20040407064402.GP31500@parcelfarce.linux.theplanet.co.uk> (raw)
In-Reply-To: <20040407003506.A18559@flint.arm.linux.org.uk>
On Wed, Apr 07, 2004 at 12:35:06AM +0100, Russell King wrote:
> I believe its so that we update the data in the cache, and avoid writing
> it back to disk unnecessarily - consider the case where you have a lot
> of tty activity (which updates atime). You don't particularly want to
> be committing atime updates to disk every, what, 5 seconds, or performing
> the NFS operations for the same.
OK, but at least we want to dirty the inode at some point (e.g. final
close), so that atime would be monotonous - as it is, we get it reset
when inode goes out of cache and is reread again...
next prev parent reply other threads:[~2004-04-07 6:44 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-04-06 14:55 Herbert Poetzl
2004-04-06 20:48 ` viro
2004-04-06 23:11 ` viro
2004-04-06 23:35 ` Russell King
2004-04-07 6:44 ` viro [this message]
2004-04-14 15:14 ` Linus Torvalds
2004-04-14 16:26 ` viro
2004-04-07 6:46 ` Herbert Poetzl
2004-04-07 8:47 ` viro
2004-04-07 10:19 ` Herbert Poetzl
2004-04-07 12:46 ` viro
2004-04-07 14:24 ` Herbert Poetzl
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