From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Subject: Re: 3.6-rc5 cgroups blkio throttle + md regression
Date: Thu, 20 Sep 2012 13:18:15 -0700
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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>

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