linux-kernel - Re: [PATCH 7/9] block: implement bio_associate

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Date:	Mon, 20 Feb 2012 13:06:42 -0800
From:	Tejun Heo <tj@...nel.org>
To:	Vivek Goyal <vgoyal@...hat.com>
Cc:	Kent Overstreet <koverstreet@...gle.com>, axboe@...nel.dk,
	ctalbott@...gle.com, rni@...gle.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 7/9] block: implement bio_associate_current()

Hello,

On Mon, Feb 20, 2012 at 02:16:04PM -0500, Vivek Goyal wrote:
> On Mon, Feb 20, 2012 at 09:01:28AM -0800, Tejun Heo wrote:
> > Yeah, AFAICS, if the cloning task hasn't issued IO before, CLONE_IO is
> > ignored.
> 
> Will it make sense to try to allocate and attach io_context and then 
> share it in copy_io()?

Yeap, that's probably what we should do on CLONE_IO.

> Well, you are planning to kill CLONE_IO altogether, so it does not
> make a difference.

Heh, I was just thinking about sending out a RFC patch.  I mean,
CLONE_IO handling that severely broken and nobody noticing for such
long time doesn't look good, right?

Thanks.

-- 
tejun
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