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Message-Id: <1232707530.7914.23.camel@spike.firmix.at>
Date: Fri, 23 Jan 2009 11:45:30 +0100
From: Bernd Petrovitsch <bernd@...mix.at>
To: Andi Kleen <andi@...stfloor.org>
Cc: Matt Mackall <mpm@...enic.com>,
Andrew Morton <akpm@...ux-foundation.org>,
Jonathan Corbet <corbet@....net>, linux-kernel@...r.kernel.org,
viro@...IV.linux.org.uk, oleg@...hat.com,
linux-api@...r.kernel.org, alan@...rguk.ukuu.org.uk
Subject: Re: [PATCH, RFC] Remove fasync() BKL usage, take 3325
On Fri, 2009-01-23 at 07:15 +0100, Andi Kleen wrote:
> > I have to agree with Christoph. The priority here is breaking down the
> > BKL and document all the things being protected by it and we've got a
> > reasonably obvious patch in that direction. Meanwhile, there's not
> > currently a pressing demand to make fasync in particular scale that I'm
> > aware of.
>
> The classic case is a high throughput network server that uses async
> sockets. It has to call F_SETFL on each new socket it opens.
Am I the only one missing an (additional) socket()-like sys-call with an
additional "flags" argument (somewhat similar to open())?
O_NONBLOCK is another flag that may be set quite often/regularly (at
least in my small world).
Bernd
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