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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Mon, 20 Feb 2012 16:10:20 -0500
From:	Vivek Goyal <vgoyal@...hat.com>
To:	Tejun Heo <tj@...nel.org>
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()

On Mon, Feb 20, 2012 at 01:06:42PM -0800, Tejun Heo wrote:
> 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?

Yep, it definitely raises the question that how many users are out 
there.

Thanks
Vivek
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/