linux-kernel - Re: [patch] block: properly handle flush/fua requests in blk_insert_cloned

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 for Android: free password hash cracker in your pocket

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

Message-ID: <20110809161953.GD23842@htj.dyndns.org>
Date:	Tue, 9 Aug 2011 18:19:53 +0200
From:	Tejun Heo <tj@...nel.org>
To:	Jeff Moyer <jmoyer@...hat.com>
Cc:	linux-kernel@...r.kernel.org, Jens Axboe <jaxboe@...ionio.com>,
	Mike Snitzer <msnitzer@...hat.com>,
	Vivek Goyal <vgoyal@...hat.com>
Subject: Re: [patch] block: properly handle flush/fua requests in
 blk_insert_cloned_request

Hello,

On Tue, Aug 09, 2011 at 06:13:34PM +0200, Tejun Heo wrote:
> AFAICS, the breakages are...
> 
> * ELEVATOR_INSERT_FLUSH not used properly from insert paths.
> 
> * Short circuit not kicking in for the dm requests. (the above and the
>   policy patch should solve this, right?)

Ooh... right, and we also need to add empty seq detection in
blk_insert_flush() as it would be bypassing the one in
__generic_make_request(), right?

Thanks.

-- 
tejun
--
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/