linux-kernel - Re: [PATCH 2/4] Convert epoll to a bitlock

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Message-ID: <alpine.DEB.1.10.0902040849570.5477@alien.or.mcafeemobile.com>
Date:	Wed, 4 Feb 2009 08:51:26 -0800 (PST)
From:	Davide Libenzi <davidel@...ilserver.org>
To:	Christoph Hellwig <hch@....de>
cc:	Jonathan Corbet <corbet@....net>,
	Andrew Morton <akpm@...ux-foundation.org>, mpm@...enic.com,
	dada1@...mosbay.com,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	andi@...stfloor.org, oleg@...hat.com, viro@...IV.linux.org.uk,
	David Miller <davem@...emloft.net>, linux-api@...r.kernel.org,
	Alan Cox <alan@...rguk.ukuu.org.uk>
Subject: Re: [PATCH 2/4] Convert epoll to a bitlock

On Wed, 4 Feb 2009, Christoph Hellwig wrote:

> On Tue, Feb 03, 2009 at 04:19:31PM -0700, Jonathan Corbet wrote:
> >  1) Use i_lock to protect accesses to f_flags.  This would enable some 
> >     BKL usage to be removed, but would not fix fasync.
> 
> What about just turning f_ep_lock into f_lock and using it?

Looks like a good idea.


- Davide


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