From mboxrd@z Thu Jan  1 00:00:00 1970
From: Alasdair G Kergon <agk-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Subject: Re: [dm-devel] [PATCH v7 9/9] block: Avoid deadlocks with bio
	allocation by stacking drivers
Date: Wed, 29 Aug 2012 18:23:36 +0100
Message-ID: <20120829172336.GB5576@agk-dp.fab.redhat.com>
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To: Kent Overstreet <koverstreet-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
Cc: Vivek Goyal <vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>, Jens Axboe <axboe-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org>, dm-devel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-bcache-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Mikulas Patocka <mpatocka-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>, bharrosh-C4P08NqkoRlBDgjK7y7TUQ@public.gmane.org, tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org
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On Wed, Aug 29, 2012 at 10:13:45AM -0700, Kent Overstreet wrote:
> Only on allocation failure.
 
Which as you already said assumes wrapping together the other mempools in the
submission path first...

Alasdair