From: "William A.(Andy) Adamson" Subject: Re: 2.4 vs 2.6 Date: Wed, 14 Jun 2006 15:40:21 -0400 Message-ID: <20060614194021.BA8C51BDDE@citi.umich.edu> References: <17526.44653.228663.713864@cse.unsw.edu.au> <20060526081905.73641.qmail@web51609.mail.yahoo.com> <20060526193118.GB17761@fieldses.org> <17530.36039.227704.325645@cse.unsw.edu.au> <20060529160236.GC6832@fieldses.org> <20060530011208.GB12818@sgi.com> <20060530015918.GA27940@fieldses.org> <17550.12582.742528.454837@cse.unsw.edu.au> <20060613204225.GB26315@fieldses.org> <1150248571.22282.1450.camel@hole.melbourne.sgi.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Cc: mehta kiran , Vijay Chauhan , Neil Brown , "J. Bruce Fields" , andros@citi.umich.edu, Linux NFS Mailing List Return-path: Received: from sc8-sf-mx1-b.sourceforge.net ([10.3.1.91] helo=mail.sourceforge.net) by sc8-sf-list2-new.sourceforge.net with esmtp (Exim 4.43) id 1FqbEA-0004M1-If for nfs@lists.sourceforge.net; Wed, 14 Jun 2006 12:40:34 -0700 Received: from citi.umich.edu ([141.211.133.111]) by mail.sourceforge.net with esmtps (TLSv1:AES256-SHA:256) (Exim 4.44) id 1FqbE9-0004pm-6n for nfs@lists.sourceforge.net; Wed, 14 Jun 2006 12:40:34 -0700 To: Greg Banks In-reply-to: <1150248571.22282.1450.camel@hole.melbourne.sgi.com> List-Id: "Discussion of NFS under Linux development, interoperability, and testing." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: nfs-bounces@lists.sourceforge.net Errors-To: nfs-bounces@lists.sourceforge.net > There are only two criticisms I would make of Linux' upcall design. > > First, Linux uses a wacky special-purpose filesystem. Solaris and > IRIX use a normal RPC to a special RPC program number implemented > in mountd, using the existing RPC client code which is already needed > in the server to initiate lockd callbacks. This reduces code > complexity in the kernel, and means you can watch the upcall traffic > with wireshark (or whatever ethereal is called this week) or snoop > instead of strace on mountd. But whatever, it mostly works now. > funny you should mention the RPC upcall. that was the origional design i coded, was working just fine, and was nixed! -->Andy > -- > Greg Banks, R&D Software Engineer, SGI Australian Software Group. > I don't speak for SGI. > > > > > _______________________________________________ > NFS maillist - NFS@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/nfs _______________________________________________ NFS maillist - NFS@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nfs