Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754079Ab2BTVGw (ORCPT ); Mon, 20 Feb 2012 16:06:52 -0500 Received: from mail-pz0-f46.google.com ([209.85.210.46]:61857 "EHLO mail-pz0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753800Ab2BTVGu (ORCPT ); Mon, 20 Feb 2012 16:06:50 -0500 Authentication-Results: mr.google.com; spf=pass (google.com: domain of htejun@gmail.com designates 10.68.242.39 as permitted sender) smtp.mail=htejun@gmail.com; dkim=pass header.i=htejun@gmail.com Date: Mon, 20 Feb 2012 13:06:42 -0800 From: Tejun Heo To: Vivek Goyal Cc: Kent Overstreet , axboe@kernel.dk, ctalbott@google.com, rni@google.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH 7/9] block: implement bio_associate_current() Message-ID: <20120220210642.GC3538@dhcp-172-17-108-109.mtv.corp.google.com> References: <1329431878-28300-8-git-send-email-tj@kernel.org> <20120217011907.GA15073@google.com> <20120217221406.GJ29414@google.com> <20120217223420.GJ26620@redhat.com> <20120217224103.GN29414@google.com> <20120217225125.GK26620@redhat.com> <20120217225735.GP29414@google.com> <20120220143622.GB10342@redhat.com> <20120220170128.GB7836@mtj.dyndns.org> <20120220191604.GC13423@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20120220191604.GC13423@redhat.com> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 898 Lines: 28 Hello, On Mon, Feb 20, 2012 at 02:16:04PM -0500, Vivek Goyal wrote: > On Mon, Feb 20, 2012 at 09:01:28AM -0800, Tejun Heo wrote: > > Yeah, AFAICS, if the cloning task hasn't issued IO before, CLONE_IO is > > ignored. > > Will it make sense to try to allocate and attach io_context and then > share it in copy_io()? Yeap, that's probably what we should do on CLONE_IO. > Well, you are planning to kill CLONE_IO altogether, so it does not > make a difference. Heh, I was just thinking about sending out a RFC patch. I mean, CLONE_IO handling that severely broken and nobody noticing for such long time doesn't look good, right? Thanks. -- tejun -- 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/