Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751720Ab1DKMss (ORCPT ); Mon, 11 Apr 2011 08:48:48 -0400 Received: from mx1.fusionio.com ([64.244.102.30]:49181 "EHLO mx1.fusionio.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750914Ab1DKMsr (ORCPT ); Mon, 11 Apr 2011 08:48:47 -0400 X-ASG-Debug-ID: 1302526126-03d6a55d3887780001-xx1T2L X-Barracuda-Envelope-From: JAxboe@fusionio.com Message-ID: <4DA2F8AD.1060605@fusionio.com> Date: Mon, 11 Apr 2011 14:48:45 +0200 From: Jens Axboe MIME-Version: 1.0 To: NeilBrown CC: Mike Snitzer , "linux-kernel@vger.kernel.org" , "hch@infradead.org" , "dm-devel@redhat.com" , "linux-raid@vger.kernel.org" Subject: Re: [PATCH 05/10] block: remove per-queue plugging References: <1295659049-2688-1-git-send-email-jaxboe@fusionio.com> <1295659049-2688-6-git-send-email-jaxboe@fusionio.com> <20110303221353.GA10366@redhat.com> <4D761E0D.8050200@fusionio.com> <20110308202100.GA31744@redhat.com> <4D76912C.9040705@fusionio.com> <20110308220526.GA393@redhat.com> <20110310005810.GA17911@redhat.com> <20110405130541.6c2b5f86@notabene.brown> <20110411145022.710c30e9@notabene.brown> <4DA2C7BE.6060804@fusionio.com> <20110411205928.13915719@notabene.brown> <4DA2E03A.2080607@fusionio.com> <20110411212635.7959de70@notabene.brown> <4DA2E7F0.9010904@fusionio.com> <20110411220505.1028816e@notabene.brown> <4DA2F00E.6010907@fusionio.com> <20110411223623.4278fad1@notabene.brown> X-ASG-Orig-Subj: Re: [PATCH 05/10] block: remove per-queue plugging In-Reply-To: <20110411223623.4278fad1@notabene.brown> Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit X-Barracuda-Connect: mail1.int.fusionio.com[10.101.1.21] X-Barracuda-Start-Time: 1302526126 X-Barracuda-URL: http://10.101.1.180:8000/cgi-mod/mark.cgi X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=9.0 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.2.60542 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 944 Lines: 24 On 2011-04-11 14:36, NeilBrown wrote: > On Mon, 11 Apr 2011 14:11:58 +0200 Jens Axboe wrote: > >>> Yes. But I need to know when to release the requests that I have stored. >>> I need to know when ->write_pages or ->read_pages or whatever has finished >>> submitting a pile of pages so that I can start processing the request that I >>> have put aside. So I need a callback from blk_finish_plug. >> >> OK fair enough, I'll add your callback patch. >> > > Thanks. I'll queue up my md fixes to follow it once it gets to -linus. Great, once you do that and XFS kills the blk_flush_plug() calls too, then we can remove that export and make it internal only. -- Jens Axboe -- 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/