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Re: [dm-devel] [PATCH v7 9/9] block: Avoid deadlocks with bio allocation by stacking drivers
- From: Kent Overstreet <koverstreet google com>
- To: Vivek Goyal <vgoyal redhat com>, Jens Axboe <axboe kernel dk>, dm-devel redhat com, linux-kernel vger kernel org, linux-bcache vger kernel org, Mikulas Patocka <mpatocka redhat com>, bharrosh panasas com, tj kernel org
- Subject: Re: [dm-devel] [PATCH v7 9/9] block: Avoid deadlocks with bio allocation by stacking drivers
- Date: Wed, 29 Aug 2012 10:32:48 -0700
On Wed, Aug 29, 2012 at 06:23:36PM +0100, Alasdair G Kergon wrote:
> 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...
Yes? I'm not sure what you're getting at.
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