Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752540AbbEFLna (ORCPT ); Wed, 6 May 2015 07:43:30 -0400 Received: from youngberry.canonical.com ([91.189.89.112]:41518 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751183AbbEFLn2 (ORCPT ); Wed, 6 May 2015 07:43:28 -0400 MIME-Version: 1.0 In-Reply-To: <20150506073640.GA19532@infradead.org> References: <1430826595-5888-1-git-send-email-ming.lei@canonical.com> <1430826595-5888-3-git-send-email-ming.lei@canonical.com> <20150505135958.GO1971@htj.duckdns.org> <20150505165541.GV1971@htj.duckdns.org> <20150506073640.GA19532@infradead.org> Date: Wed, 6 May 2015 19:43:21 +0800 Message-ID: Subject: Re: [PATCH 2/2] block: loop: avoiding too many pending per work I/O From: Ming Lei To: Christoph Hellwig Cc: Tejun Heo , Jens Axboe , Linux Kernel Mailing List , "Justin M. Forbes" , Jeff Moyer , "v4.0" Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 679 Lines: 16 On Wed, May 6, 2015 at 3:36 PM, Christoph Hellwig wrote: > On Wed, May 06, 2015 at 01:17:33PM +0800, Ming Lei wrote: >> But I still prefer to dio/aio approach because double cache can >> be avoided, which is a big win in my previous tests. > > Can yo respin and resend the patches? With Al's iov_iter work and my > kiocb changes it should be fairly easy and non-intrusive to do. I will post them later. thanks, -- 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/