From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alasdair G Kergon Subject: Re: [dm-devel] [PATCH 2/2] block: Avoid deadlocks with bio allocation by stacking drivers Date: Tue, 11 Sep 2012 00:09:17 +0100 Message-ID: <20120910230917.GB10477@agk-dp.fab.redhat.com> References: <20120910002810.GA23241@moria.home.lan> <20120910172210.GC14103@google.com> <20120910202435.GG16360@google.com> <20120910204010.GA32310@google.com> <20120910213349.GH16360@google.com> <20120910213710.GA7677@google.com> <20120910215633.GA19739@google.com> <20120910220910.GB7677@google.com> <20120910225057.GA10477@agk-dp.fab.redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-bcache-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Tejun Heo Cc: Kent Overstreet , axboe-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org, device-mapper development , david-FqsqvQoI3Ljby3iVrkZq2A@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-bcache-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Mikulas Patocka , bharrosh-C4P08NqkoRlBDgjK7y7TUQ@public.gmane.org, Vivek Goyal List-Id: linux-bcache@vger.kernel.org On Mon, Sep 10, 2012 at 04:01:01PM -0700, Tejun Heo wrote: > IIUC, Kent posted a patch which converts all of them to use front-pad The only patch I saw posted here only handles one of the easier cases so far. The others are a bit trickier and probably involve a decision about which way to change an in-kernel dm interface. Alasdair