linux-kernel - Re: [PATCH block/for-next] block: don't call blk_drain

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Date:	Fri, 04 Nov 2011 09:12:19 +0100
From:	Jens Axboe <axboe@...nel.dk>
To:	Tejun Heo <tj@...nel.org>
CC:	Jiri Slaby <jslaby@...e.cz>,
	"James E.J. Bottomley" <jejb@...isc-linux.org>,
	LKML <linux-kernel@...r.kernel.org>,
	linux-scsi <linux-scsi@...r.kernel.org>,
	Jiri Slaby <jirislaby@...il.com>
Subject: Re: [PATCH block/for-next] block: don't call blk_drain_queue() if
 elevator is not up

On 2011-11-03 22:12, Tejun Heo wrote:
> On Thu, Nov 03, 2011 at 06:49:53PM +0100, Jens Axboe wrote:
>>> Fix it by making blk_cleanup_queue() check whether q->elevator is set
>>> up before invoking blk_drain_queue.
>>
>> Thanks, glad this got caught before the merge...
> 
> Heh, yeah, definitely, and just to be paranoid, this whole thing is
> for the next merge window.

Ehm, what parts? If the bug is in for-next, things are queued up for
_this_ merge window.

-- 
Jens Axboe

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