From mboxrd@z Thu Jan 1 00:00:00 1970 From: Trond Myklebust Subject: Re: NFS4 crack Date: Thu, 22 Sep 2005 13:52:32 -0400 Message-ID: <1127411552.8365.41.camel@lade.trondhjem.org> References: <1127407973.8365.26.camel@lade.trondhjem.org> <4332EC26.9010307@redhat.com> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Cc: Bryan Henderson , Neil Brown , akpm@osdl.org, andros@citi.umich.edu, bfields@citi.umich.edu, Christoph Hellwig , linux-fsdevel@vger.kernel.org, Olaf Kirch Return-path: Received: from pat.uio.no ([129.240.130.16]:20161 "EHLO pat.uio.no") by vger.kernel.org with ESMTP id S1750729AbVIVRw7 (ORCPT ); Thu, 22 Sep 2005 13:52:59 -0400 To: Peter Staubach In-Reply-To: <4332EC26.9010307@redhat.com> Sender: linux-fsdevel-owner@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.org to den 22.09.2005 Klokka 13:38 (-0400) skreiv Peter Staubach: > It seems to me that a "system call" could implemented which would allow > a file to be "opened" via the file handle. Sure, but open alone isn't sufficient. A lot (most?) of the operations involving filehandles are acting on directories. Imagine if someone renames a directory on the server while the NFS server is in the middle of an unlink() operation, for instance. Cheers, Trond