linux-kernel - Re: [patch 00/11] ANNOUNCE: "Syslets", generic asynchronous system call support

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Message-ID: <45D242BB.9040004@redhat.com>
Date:	Tue, 13 Feb 2007 14:59:07 -0800
From:	Ulrich Drepper <drepper@...hat.com>
To:	Ingo Molnar <mingo@...e.hu>
CC:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [patch 00/11] ANNOUNCE: "Syslets", generic asynchronous system
 call support

Ingo Molnar wrote:
> really, what's the point behind aio_cancel()?

- sequence

     aio_write()
     aio_cancel()
     aio_write()

  with both writes going to the same place must be predictably

- think beyond files.  Writes to sockets, ttys, they  can block and
cancel must abort them.  Even for files the same applies in some
situations, e.g., for network filesystems.

-- 
➧ Ulrich Drepper ➧ Red Hat, Inc. ➧ 444 Castro St ➧ Mountain View, CA ❖


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