Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755619Ab1DVPjM (ORCPT ); Fri, 22 Apr 2011 11:39:12 -0400 Received: from bombadil.infradead.org ([18.85.46.34]:54989 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752204Ab1DVPjL (ORCPT ); Fri, 22 Apr 2011 11:39:11 -0400 Date: Fri, 22 Apr 2011 11:39:08 -0400 From: "hch@infradead.org" Cc: Jens Axboe , vgoyal@redhat.com, "linux-kernel@vger.kernel.org" Subject: Re: [PATCH 05/10] block: remove per-queue plugging Message-ID: <20110422153908.GA4430@infradead.org> References: <20110411212635.7959de70@notabene.brown> <4DA2E7F0.9010904@fusionio.com> <20110411220505.1028816e@notabene.brown> <4DA2F00E.6010907@fusionio.com> <20110418081922.1651474a@notabene.brown> <4DABDC60.2090009@fusionio.com> <20110418172551.55629fc6@notabene.brown> <4DABF1EA.3070301@fusionio.com> <20110418183343.036f412e@notabene.brown> <20110418212306.GA21154@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20110418212306.GA21154@infradead.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html To: unlisted-recipients:; (no To-header on input) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1088 Lines: 25 On Mon, Apr 18, 2011 at 05:23:06PM -0400, hch@infradead.org wrote: > > NeilBrown (6): > > md: use new plugging interface for RAID IO. > > md/dm - remove remains of plug_fn callback. > > md - remove old plugging code. > > md: provide generic support for handling unplug callbacks. > > md: incorporate new plugging into raid5. > > md: fix up raid1/raid10 unplugging. > > Looking over more of the unplugging left over, is there a reason to > keep the unplug_work bits in CFQ? They seem to rather counter the > current scheme (and it is the last user of kblockd outside of > blk-core.c) Jens, Vivkek: can you take a look at if cfq_schedule_dispatch is still needed in new unplugging world order? It's the only kblockd user outside the block core that's still left, and it seems rather odd to me at least. -- 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/