From mboxrd@z Thu Jan 1 00:00:00 1970 From: Linus Torvalds Subject: Re: [PATCH 0/5] splice: locking changes and code refactoring Date: Fri, 17 Jan 2014 23:22:04 -0800 Message-ID: References: <20131212181459.994196463@bombadil.infradead.org> <20140113141416.GA30117@infradead.org> <20140113235646.GR10323@ZenIV.linux.org.uk> <20140114132207.GA25170@infradead.org> <20140114172033.GU10323@ZenIV.linux.org.uk> <20140118064040.GE10323@ZenIV.linux.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Cc: Christoph Hellwig , Jens Axboe , Mark Fasheh , Joel Becker , linux-fsdevel , xfs@oss.sgi.com, Sage Weil , Steve French To: Al Viro Return-path: Received: from mail-vb0-f52.google.com ([209.85.212.52]:47176 "EHLO mail-vb0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752544AbaARHWF (ORCPT ); Sat, 18 Jan 2014 02:22:05 -0500 Received: by mail-vb0-f52.google.com with SMTP id p14so1918621vbm.39 for ; Fri, 17 Jan 2014 23:22:04 -0800 (PST) In-Reply-To: <20140118064040.GE10323@ZenIV.linux.org.uk> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: On Fri, Jan 17, 2014 at 10:40 PM, Al Viro wrote: > > Objections, comments? I certainly object to the "map, then unmap" approach. No VM games. But if it can be done more naturally as a writev, then that may well be ok. As long as we're talking about just the default_file_splice_write() case, and people who want to do special things with page movement can continue to do so.. Linus