Re: [dm-devel] [PATCH 2/2] block: Avoid deadlocks with bio allocation by stacking drivers

Tejun Heo
2012-09-10T23:01:06Z

Hello,

On Mon, Sep 10, 2012 at 3:50 PM, Alasdair G Kergon <agk@redhat.com> wrote:
>> > Note that this doesn't do anything for allocation from other mempools.
>
> Note that dm has several cases of this, so this patch should not be used with
> dm yet. Mikulas is studying those cases to see whether anything like this
> might be feasible/sensible or not.

IIUC, Kent posted a patch which converts all of them to use front-pad
(there's no reason not to, really). This better come after that but
it's not like this is gonna break something which isn't broken now.

Thanks.

--
tejun