Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S269019AbUIQUwH (ORCPT ); Fri, 17 Sep 2004 16:52:07 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S269001AbUIQUtD (ORCPT ); Fri, 17 Sep 2004 16:49:03 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.31.123]:12467 "EHLO atrey.karlin.mff.cuni.cz") by vger.kernel.org with ESMTP id S268992AbUIQUrW (ORCPT ); Fri, 17 Sep 2004 16:47:22 -0400 Date: Sun, 12 Sep 2004 22:02:07 +0200 From: Pavel Machek To: Timothy Miller Cc: Linus Torvalds , Jan Harkes , Markus =?iso-8859-2?Q?T=F6rnqvist?= , Matt Mackall , Nicholas Miell , Wichert Akkerman , Jeremy Allison , Andrew Morton , Spam , reiser@namesys.com, hch@lst.de, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, flx@namesys.com, reiserfs-list@namesys.com Subject: Re: silent semantic changes with reiser4 Message-ID: <20040912200207.GA4637@openzaurus.ucw.cz> References: <20040825233739.GP10907@legion.cup.hp.com> <20040825234629.GF2612@wiggy.net> <1093480940.2748.35.camel@entropy> <20040826044425.GL5414@waste.org> <1093496948.2748.69.camel@entropy> <20040826053200.GU31237@waste.org> <20040826075348.GT1284@nysv.org> <20040826163234.GA9047@delft.aura.cs.cmu.edu> <4141FF13.8030009@techsource.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4141FF13.8030009@techsource.com> User-Agent: Mutt/1.3.27i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 944 Lines: 25 Hi! > Say there's a way to cd into a tgz file to look around. If the > access methods through the kernel get routed back to a user-space > process (which probably does some amount of caching in memory and on > disk of uncompressed bits of the archive), it could be a bit slower > than if it were all in-kernel. The thing is that the processing time Exactly. See uservfs.sf.net. It is using coda hooks into the kernel. > be done in userspace.) Besides, even if it were a LOT slower to > access a tgz file without extracting it first, I would STILL think it > was wonderful AND use it a LOT. Go ahead :-). -- 64 bytes from 195.113.31.123: icmp_seq=28 ttl=51 time=448769.1 ms - 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/