From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anton Altaparmakov Subject: Re: [PATCH] replace inode_update_time with file_update_time Date: Mon, 7 Nov 2005 22:13:44 +0000 (GMT) Message-ID: References: <20051029165209.GA26446@lst.de> <1131400349.8063.7.camel@localhost.localdomain> <1131401420.8063.11.camel@localhost.localdomain> Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Cc: Christoph Hellwig , akpm@osdl.org, linux-fsdevel@vger.kernel.org Return-path: Received: from ppsw-0.csi.cam.ac.uk ([131.111.8.130]:58286 "EHLO ppsw-0.csi.cam.ac.uk") by vger.kernel.org with ESMTP id S965393AbVKGWNw (ORCPT ); Mon, 7 Nov 2005 17:13:52 -0500 To: Shaya Potter In-Reply-To: <1131401420.8063.11.camel@localhost.localdomain> Sender: linux-fsdevel-owner@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.org On Mon, 7 Nov 2005, Shaya Potter wrote: > On Mon, 2005-11-07 at 22:02 +0000, Anton Altaparmakov wrote: > > On Mon, 7 Nov 2005, Shaya Potter wrote: > > > On Mon, 2005-11-07 at 21:40 +0000, Anton Altaparmakov wrote: > > > > On Sat, 29 Oct 2005, Christoph Hellwig wrote: > > > > > To allow various options to work per-mount instead of per-sb we need > > > > > > > > What are those various options? Please spell them out. (I mean it! I > > > > really do not know what you have in mind and I cannot see anything that > > > > would require a vfs mount wrt cmtime updates.) > > > > > > I'm thinking you should think of things like read only bind mounts, > > > where even meta data wont be updated. > > > > But that is my point! A read-only bind mount is just like any other > > read-only mount and should never even try to update metadata. > > there's no such thing as a read only bind mount right now, I believe > this is to enable support of such a thing, but I could be wrong. Correct and I am countering that to support a read only bind mount, you do _not_ need this patch at all. So I am asking whether it is needed for other options than read only and if so what are those. 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/