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Date: Fri, 2 Jan 2009 20:09:03 +0100
From: Oleg Nesterov <oleg@redhat.com>
To: Al Viro <viro@ZenIV.linux.org.uk>
Cc: Jonathan Corbet <corbet@lwn.net>, LKML <linux-kernel@vger.kernel.org>,
       Andi Kleen <andi@firstfloor.org>, Alan Cox <alan@lxorguk.ukuu.org.uk>,
       bfields@fieldses.org, xfs-masters@oss.sgi.com
Subject: Re: RFC: Fix f_flags races without the BKL
Message-ID: <20090102190902.GA25969@redhat.com>
References: <20081229041352.6bbdf57c@tpl> <20090102184232.GH28946@ZenIV.linux.org.uk>
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On 01/02, Al Viro wrote:
>
> Bloating with mutex is over the top, indeed, but why can't we simply keep
> a pointer to fasync_struct in there?  Do we ever have a struct file with
> several fasync_struct?

pipe_rdwr_fasync() ?

Oleg.