linux-kernel - Re: [PATCH 4 of 4] Introduce aio system call submission and completion system calls

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Message-ID: <20070201202633.GA14021@outpost.ds9a.nl>
Date:	Thu, 1 Feb 2007 21:26:34 +0100
From:	bert hubert <bert.hubert@...herlabs.nl>
To:	Zach Brown <zach.brown@...cle.com>
Cc:	linux-kernel@...r.kernel.org, linux-aio@...ck.org,
	Suparna Bhattacharya <suparna@...ibm.com>,
	Benjamin LaHaise <bcrl@...ck.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH 4 of 4] Introduce aio system call submission and completion  system calls

On Tue, Jan 30, 2007 at 01:39:45PM -0700, Zach Brown wrote:

> sys_asys_submit() is added to let userspace submit asynchronous system calls.
> It specifies the system call number and arguments.  A fibril is constructed for
> each call.  Each starts with a stack which executes the given system call
> handler and then returns to a function which records the return code of the
> system call handler.  sys_asys_await_completion() then lets userspace collect
> these results.

Zach,

Do you have any userspace code that can be used to get started experimenting
with your fibril based AIO stuff?

I want to try it on from a userspace perspective.

I'm confident I could hack it up from scratch, but I'm sure you'll have some
test code lying around.

I scanned the discussion so far, but I might've missed any references to
userspace code so far.

Thanks!

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