Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754185Ab2H2Rcy (ORCPT ); Wed, 29 Aug 2012 13:32:54 -0400 Received: from mail-pb0-f46.google.com ([209.85.160.46]:59491 "EHLO mail-pb0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751939Ab2H2Rcw (ORCPT ); Wed, 29 Aug 2012 13:32:52 -0400 Date: Wed, 29 Aug 2012 10:32:48 -0700 From: Kent Overstreet To: Vivek Goyal , Jens Axboe , dm-devel@redhat.com, linux-kernel@vger.kernel.org, linux-bcache@vger.kernel.org, Mikulas Patocka , bharrosh@panasas.com, tj@kernel.org Subject: Re: [dm-devel] [PATCH v7 9/9] block: Avoid deadlocks with bio allocation by stacking drivers Message-ID: <20120829173248.GA3893@google.com> References: <1346175456-1572-1-git-send-email-koverstreet@google.com> <1346175456-1572-10-git-send-email-koverstreet@google.com> <20120829165006.GB20312@google.com> <20120829170711.GC12504@redhat.com> <20120829171345.GC20312@google.com> <20120829172336.GB5576@agk-dp.fab.redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20120829172336.GB5576@agk-dp.fab.redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 565 Lines: 13 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. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/