linux-kernel - Re: [FSAIO][PATCH 7/8] Filesystem AIO read

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Message-ID: <20061228141518.GA5211@infradead.org>
Date:	Thu, 28 Dec 2006 14:15:18 +0000
From:	Christoph Hellwig <hch@...radead.org>
To:	Christoph Hellwig <hch@...radead.org>,
	Suparna Bhattacharya <suparna@...ibm.com>, linux-aio@...ck.org,
	akpm@...l.org, drepper@...hat.com, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org, jakub@...hat.com, mingo@...e.hu
Subject: Re: [FSAIO][PATCH 7/8] Filesystem AIO read

> Pluse possible naming updates discussed in the last mail.  Also do we
> really need to pass current->io_wait here?  Isn't the waitqueue in
> the kiocb always guaranteed to be the same?  Now that all pagecache
> I/O goes through the ->aio_read/->aio_write routines I'd prefer to
> get rid of the task_struct field cludges and pass all this around in
> the kiocb.  

Btw, in current mainline task_struct.iowait is not used at all!  The patch
below would remove it vs mainline, although I don't think it should go
in as-is as it would create quite a bit of messup for your patchset.
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