From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758238Ab3BVWsY (ORCPT ); Fri, 22 Feb 2013 17:48:24 -0500 Received: from mx12.netapp.com ([216.240.18.77]:55228 "EHLO mx12.netapp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757867Ab3BVWsV convert rfc822-to-8bit (ORCPT ); Fri, 22 Feb 2013 17:48:21 -0500 X-IronPort-AV: E=Sophos;i="4.84,717,1355126400"; d="scan'208";a="25317006" From: "Myklebust, Trond" To: Zach Brown , Ric Wheeler CC: Paolo Bonzini , Linux FS Devel , "linux-kernel@vger.kernel.org" , "Chris L. Mason" , Christoph Hellwig , Alexander Viro , "Martin K. Petersen" , Hannes Reinecke , "Joel Becker" Subject: RE: New copyfile system call - discuss before LSF? Thread-Topic: New copyfile system call - discuss before LSF? Thread-Index: AQHOECfzherspfmEjEqBTzfvhb3EUJiE2wAAgAASTQCAAFTBgIAADekAgAAaWoCAAL7IgIAAAWGAgACOYAD//8MR0A== Date: Fri, 22 Feb 2013 22:48:18 +0000 Message-ID: <4FA345DA4F4AE44899BD2B03EEEC2FA9235DCDA7@SACEXCMBX04-PRD.hq.netapp.com> References: <512606DF.5050706@redhat.com> <4FA345DA4F4AE44899BD2B03EEEC2FA9235D998C@SACEXCMBX04-PRD.hq.netapp.com> <512635D2.4090207@redhat.com> <51267CEB.8070805@redhat.com> <4FA345DA4F4AE44899BD2B03EEEC2FA9235DAA99@SACEXCMBX04-PRD.hq.netapp.com> <20130221222449.GY22221@lenny.home.zabbo.net> <51273EBB.1010305@redhat.com> <51273FE3.8000306@redhat.com> <20130222182210.GA22221@lenny.home.zabbo.net> In-Reply-To: <20130222182210.GA22221@lenny.home.zabbo.net> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.106.53.51] Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > -----Original Message----- > From: Zach Brown [mailto:zab@redhat.com] > Sent: Friday, February 22, 2013 1:22 PM > To: Ric Wheeler > Cc: Paolo Bonzini; Myklebust, Trond; Linux FS Devel; linux- > kernel@vger.kernel.org; Chris L. Mason; Christoph Hellwig; Alexander Viro; > Martin K. Petersen; Hannes Reinecke; Joel Becker > Subject: Re: New copyfile system call - discuss before LSF? > > > This seems to be suspiciously close to a clear consensus on how to > > move forward after many years of spinning our wheels. Anyone want to > > promote an actual patch before we change our collective minds? > > It seems like we'd want to start with the exisiting (presumably > bitrotten) prototypes that Trond has for nfs and that Martin has for > block->scsi. Mash the new syscall on top of and get them working in > current mainline. > > I'd be happy to take responsibility for making forward progress if no one else > has the bandwidth. > > Trond, Martin, would that make sense? Are the most recent versions of the > prototypes available somewhere? Hi Zach, The wildly bitrotten NFS copyfile prototype can be found on ftp://ftp.netapp.com/frm-ntap/opensource/linux_copyfileat/v2/linux_copyfileat_v2.tgz Please open with extreme caution and apply the resulting patches to a Linux 2.6.34.2 kernel... Cheers Trond