From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: Re: silent semantic changes with reiser4 Date: Fri, 27 Aug 2004 10:49:10 +0200 Message-ID: <20040827084910.GA21968@lst.de> References: <20040825233739.GP10907@legion.cup.hp.com> <20040825234629.GF2612@wiggy.net> <1939276887.20040826114028@tnonline.net> <20040826024956.08b66b46.akpm@osdl.org> <839984491.20040826122025@tnonline.net> <1906433242.20040826133511@tnonline.net> <20040826113332.GL2612@wiggy.net> <1211039639.20040826134354@tnonline.net> <1093592467.18603.6.camel@tara.firmix.at> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Spam , Wichert Akkerman , Christer Weinigel , Andrew Morton , jra@samba.org, torvalds@osdl.org, reiser@namesys.com, hch@lst.de, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, flx@namesys.com, reiserfs-list@namesys.com Return-path: list-help: list-unsubscribe: list-post: Errors-To: flx@namesys.com To: Bernd Petrovitsch Content-Disposition: inline In-Reply-To: <1093592467.18603.6.camel@tara.firmix.at> List-Id: linux-fsdevel.vger.kernel.org On Fri, Aug 27, 2004 at 09:41:07AM +0200, Bernd Petrovitsch wrote: > > > UNIX doesn't have a copy systemcall, applications copy the data > > > manually. > > > > Oh, this is very unfortunate and should be a bigger issue to fix. > > Then you have to rewrite POSIX und SuSv3. They don't say 'you must now have a copy syscall'. Having one that's actually used by system tools would be a great optimization for many network or distributed filesystems.