Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751241AbWAITfg (ORCPT ); Mon, 9 Jan 2006 14:35:36 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751238AbWAITfg (ORCPT ); Mon, 9 Jan 2006 14:35:36 -0500 Received: from ppsw-7.csi.cam.ac.uk ([131.111.8.137]:32986 "EHLO ppsw-7.csi.cam.ac.uk") by vger.kernel.org with ESMTP id S1751241AbWAITfg (ORCPT ); Mon, 9 Jan 2006 14:35:36 -0500 X-Cam-SpamDetails: Not scanned X-Cam-AntiVirus: No virus found X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/ Date: Mon, 9 Jan 2006 19:35:26 +0000 (GMT) From: Anton Altaparmakov To: Lee Revell cc: Olivier Galibert , Oliver Neukum , Bernd Petrovitsch , Robert Hancock , linux-kernel Subject: Re: Why the DOS has many ntfs read and write driver,but the linux can't for a long time In-Reply-To: <1136827695.9957.73.camel@mindpipe> Message-ID: References: <5t06S-7nB-15@gated-at.bofh.it> <1136824149.5785.75.camel@tara.firmix.at> <1136824880.9957.55.camel@mindpipe> <200601091753.36485.oliver@neukum.org> <20060109171411.GB67773@dspnet.fr.eu.org> <1136827695.9957.73.camel@mindpipe> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1872 Lines: 40 On Mon, 9 Jan 2006, Lee Revell wrote: > On Mon, 2006-01-09 at 18:14 +0100, Olivier Galibert wrote: > > On Mon, Jan 09, 2006 at 05:53:35PM +0100, Oliver Neukum wrote: > > > Does the Windows Explorer draw icons based only on name and metadata? > > > > >From what I can see it does icons on non-executable entirely based on > > the extension and nothing else on the first pass. Executables are > > looked inside for an icon (and there seems to be cache effects at > > times, especially visible on the desktop). Then for images a second > > pass generates icons depending on the contents (with, once again, a > > cache hidden somewhere). > > > > Not a bad strategy, too. Doing a file(1) on everything can only be > > slow given the random disk accesses it generates. Maybe a file(1) as > > a _second_ pass would work. > > Gack, does Nautilus really do file(1) on everything? That's unspeakably > awful. I believe it does a lot worse things. It actually reads a picture file for example, then resizes the picture down to an icon sized one and then displays the icon, then on to the next file and for text files it displays the beginning of the text file in the icon, etc... Totally unnecessary and brings total slowdown. But of course as with Windows Explorer this is configurable and you can just use list view without icons... Best regards, Anton -- Anton Altaparmakov (replace at with @) Unix Support, Computing Service, University of Cambridge, CB2 3QH, UK Linux NTFS maintainer / IRC: #ntfs on irc.freenode.net WWW: http://linux-ntfs.sf.net/ & http://www-stu.christs.cam.ac.uk/~aia21/ - 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/