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From: Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: Vivek Goyal <vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Cc: Joseph Glanville
	<joseph.glanville-2MxvZkOi9dvvnOemgxGiVw@public.gmane.org>,
	cgroups <cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: 3.6-rc5 cgroups blkio throttle + md regression
Date: Thu, 20 Sep 2012 13:18:15 -0700	[thread overview]
Message-ID: <20120920201815.GB7264@google.com> (raw)
In-Reply-To: <20120920195759.GK4681-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>

On Thu, Sep 20, 2012 at 03:57:59PM -0400, Vivek Goyal wrote:
> > Yeah, I incorrectly assumed that bio based drivers would call
> > blk_init_allocated_queue().  I think we need to move the initial
> > bypass_end call to blk_register_queue().  Like the following.  Not
> > completely sure yet tho.
> 
> I can confirm that with this patch, hang issue is gone. I tried it on
> a dm device.

Thanks, will prep a patch.

-- 
tejun

  parent reply	other threads:[~2012-09-20 20:18 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-09-16 17:31 3.6-rc5 cgroups blkio throttle + md regression Joseph Glanville
     [not found] ` <CAOzFzEhf2LfT0BCNPAgPgxZ3=pj2KvJ4Z6kP7XF8nnxag1dfvg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-09-19 16:28   ` Joseph Glanville
     [not found]     ` <CAOzFzEiC4313K4H9393ffzNyBo398BPYSxTk7ZEmuH4GfW5qtw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-09-19 18:20       ` Joseph Glanville
     [not found]         ` <CAOzFzEhWk_7oQFOyW6Ri_9Cvsshj2s3pa=Oo-p8uL6r340MoTw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-09-19 19:42           ` Vivek Goyal
     [not found]             ` <20120919194231.GF31860-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2012-09-20 18:31               ` Tejun Heo
     [not found]                 ` <20120920183153.GI28934-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-09-20 18:42                   ` Vivek Goyal
     [not found]                     ` <20120920184219.GH4681-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2012-09-20 19:17                       ` Vivek Goyal
     [not found]                         ` <20120920191716.GI4681-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2012-09-20 19:20                           ` Tejun Heo
     [not found]                             ` <20120920192038.GJ28934-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-09-20 19:32                               ` Vivek Goyal
     [not found]                                 ` <20120920193227.GJ4681-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2012-09-20 20:17                                   ` Tejun Heo
2012-09-20 19:57                               ` Vivek Goyal
     [not found]                                 ` <20120920195759.GK4681-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2012-09-20 20:18                                   ` Tejun Heo [this message]
     [not found]                                     ` <20120920201815.GB7264-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-09-20 21:08                                       ` [PATCH 1/2] block: lift the initial queue bypass mode on blk_register_queue() instead of blk_init_allocated_queue() Tejun Heo
2012-09-20 21:08                                         ` Tejun Heo
     [not found]                                         ` <20120920210852.GC7264-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-09-20 21:09                                           ` [PATCH 2/2] block: fix request_queue->flags initialization Tejun Heo
2012-09-20 21:09                                             ` Tejun Heo
     [not found]                                             ` <20120920210930.GD7264-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-09-21 13:25                                               ` Vivek Goyal
2012-09-21 13:25                                                 ` Vivek Goyal
2012-09-21 13:25                                           ` [PATCH 1/2] block: lift the initial queue bypass mode on blk_register_queue() instead of blk_init_allocated_queue() Vivek Goyal
2012-09-21 13:25                                             ` Vivek Goyal
2012-09-21 13:25                                           ` Jens Axboe
2012-09-21 13:25                                             ` Jens Axboe
     [not found]                                             ` <505C6AD4.6030206-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org>
2012-10-16 10:00                                               ` Joseph Glanville
2012-10-16 10:00                                                 ` Joseph Glanville
     [not found]                                                 ` <CAOzFzEiCWazLEfjo=w8c+7qCce98Q6faW1uwGm-tRmCNPJUztw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-10-16 19:11                                                   ` Tejun Heo
2012-10-16 19:11                                                     ` Tejun Heo

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