linux-kernel - Re: [PATCH =-v3 07/21] fanotify: fastpath to ignore certain in core inodes

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Message-ID: <20081112165638.54c38c5c@lxorguk.ukuu.org.uk>
Date:	Wed, 12 Nov 2008 16:56:38 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Christoph Hellwig <hch@...radead.org>
Cc:	Eric Paris <eparis@...hat.com>, linux-kernel@...r.kernel.org,
	malware-list@...ts.printk.net, viro@...iv.linux.org.uk,
	arjan@...radead.org, greg@...ah.com, tytso@....edu,
	akpm@...ux-foundation.org
Subject: Re: [PATCH =-v3 07/21] fanotify: fastpath to ignore certain in core
 inodes

On Wed, 12 Nov 2008 11:50:55 -0500
Christoph Hellwig <hch@...radead.org> wrote:

> On Wed, Nov 12, 2008 at 11:11:03AM -0500, Eric Paris wrote:
> > Allows a process to ignore certain events for the given in core inodes.
> > This does not preclude the need to keep a userspace or xattr based
> > cache if a fanotifier listener wants something with a different lifetime
> > than in core inode.
> 
> Please just do this in userspace instead of bloating the inode.

Sounds a good way of ruining the performance.

Alan
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