linux-kernel - Re: [patch 05/11] syslets: core code

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Date:	Wed, 14 Feb 2007 22:44:18 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Arjan van de Ven <arjan@...radead.org>,
	Christoph Hellwig <hch@...radead.org>,
	Andrew Morton <akpm@....com.au>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Ulrich Drepper <drepper@...hat.com>,
	Zach Brown <zach.brown@...cle.com>,
	Evgeniy Polyakov <johnpol@....mipt.ru>,
	"David S. Miller" <davem@...emloft.net>,
	Benjamin LaHaise <bcrl@...ck.org>,
	Suparna Bhattacharya <suparna@...ibm.com>,
	Davide Libenzi <davidel@...ilserver.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [patch 05/11] syslets: core code


* Linus Torvalds <torvalds@...ux-foundation.org> wrote:

>  - it fundamentally is based on a broken notion that everything would
>    use this "AIO atom" in the first place, WHICH WE KNOW IS INCORRECT, 
>    since current users use "aio_read()" that simply doesn't have that 
>    and doesn't build up any such data structures.

i'm not sure what you mean here either - aio_read()/write()/etc. could 
very much be implemented using syslets - and in fact one goal of syslets 
is to enable such use. struct aiocb is mostly shaped by glibc internals, 
and it currently has 32 bytes of free space. Enough to put a single atom 
there. (or a pointer to an atom)

	Ingo
-
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