linux-kernel - Re: -mm merge plans for 2.6.23

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Message-Id: <1185396952.9409.5.camel@localhost>
Date:	Wed, 25 Jul 2007 14:55:52 -0600
From:	Zan Lynx <zlynx@....org>
To:	Ray Lee <ray-lk@...rabbit.org>
Cc:	Rene Herman <rene.herman@...il.com>, david@...g.hm,
	Nick Piggin <nickpiggin@...oo.com.au>,
	Jesper Juhl <jesper.juhl@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	ck list <ck@....kolivas.org>, Ingo Molnar <mingo@...e.hu>,
	Paul Jackson <pj@....com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: -mm merge plans for 2.6.23

On Wed, 2007-07-25 at 09:02 -0700, Ray Lee wrote:

> I'd just like updatedb to amortize its work better. If we had some way
> to track all filesystem events, updatedb could keep a live and
> accurate index on the filesystem. And this isn't just updatedb that
> wants that, beagle and tracker et al also want to know filesystem
> events so that they can index the documents themselves as well as the
> metadata. And if they do it live, that spreads the cost out, including
> the VM pressure.

That would be nice.  It'd be great if there was a per-filesystem inotify
mode.  I can't help but think it'd be more efficient than recursing
every directory and adding a watch.

Or maybe a netlink thing that could buffer events since filesystem mount
until a daemon could get around to starting, so none were lost.
-- 
Zan Lynx <zlynx@....org>

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