linux-kernel - Re: block: eliminate ELEVATOR_INSERT

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]

Message-ID: <x49zkoclcfm.fsf@segfault.boston.devel.redhat.com>
Date:	Wed, 30 Mar 2011 13:56:29 -0400
From:	Jeff Moyer <jmoyer@...hat.com>
To:	Jens Axboe <axboe@...nel.dk>
Cc:	Tejun Heo <tj@...nel.org>, Vivek Goyal <vgoyal@...hat.com>,
	Mike Snitzer <snitzer@...hat.com>,
	Markus Trippelsdorf <markus@...ppelsdorf.de>,
	Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
	linux-kernel@...r.kernel.org, Chris Mason <chris.mason@...cle.com>,
	hch@...radead.org
Subject: Re: block: eliminate ELEVATOR_INSERT_REQUEUE

Jens Axboe <axboe@...nel.dk> writes:

> On 2011-03-30 17:30, Tejun Heo wrote:
>> On Wed, Mar 30, 2011 at 11:22:48AM -0400, Vivek Goyal wrote:
>>> So wee need this as stable fix because FLUSH request can get ahead of
>>> REQUEUED requests and it can break some drivers?
>> 
>> Yes, I think so.  All we need is just replacing elv_insert() calls in
>> blk-flush.c with list_add_tail().  Something like the following.  I'll
>> test it and send a proper patch later.  Thanks.
>
> I'd suggest I just mark the queued patch for stable.

Could you document the nuance in that patch, please?

Thanks,
Jeff
--
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/