Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751306AbWCaJ5P (ORCPT ); Fri, 31 Mar 2006 04:57:15 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751308AbWCaJ5P (ORCPT ); Fri, 31 Mar 2006 04:57:15 -0500 Received: from ns.virtualhost.dk ([195.184.98.160]:30304 "EHLO virtualhost.dk") by vger.kernel.org with ESMTP id S1751306AbWCaJ5O (ORCPT ); Fri, 31 Mar 2006 04:57:14 -0500 Date: Fri, 31 Mar 2006 11:57:14 +0200 From: Jens Axboe To: tridge@samba.org Cc: linux-kernel@vger.kernel.org, Linus Torvalds Subject: Re: [PATCH] splice support #2 Message-ID: <20060331095711.GK14022@suse.de> References: <17452.50912.404106.256236@samba.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <17452.50912.404106.256236@samba.org> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 923 Lines: 27 On Fri, Mar 31 2006, tridge@samba.org wrote: > Linus and Jens, > > Stephen Rothwell just pointed me at the new splice() interface. Looks > really nice! > > One comment though. Could we add a off_t to splice to make it more > like pwrite() ? Otherwise threads could get painful with race > conditions between the seek and the splice() call. > > Either that or add psplice() like this: > > ssize_t psplice(int fdin, int fdout, size_t len, off_t ofs, unsigned flags); > > where ofs sets the offset to read from fdin. I definitely see some valid reasons for adding a file offset instead of using ->f_pos, I'll leave that decision up to Linus though. Linus? -- 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/