Return-Path: Received: from discipline.rit.edu ([129.21.6.207]:17016 "HELO discipline.rit.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1752161AbbJMT6v (ORCPT ); Tue, 13 Oct 2015 15:58:51 -0400 From: Andrew W Elble To: Trond Myklebust Cc: Olga Kornievskaia , linux-nfs Subject: Re: [PATCH 1/1] Adding issync field to delegreturn_exit tracepoint References: Date: Tue, 13 Oct 2015 15:58:50 -0400 In-Reply-To: (Trond Myklebust's message of "Tue, 13 Oct 2015 15:46:56 -0400") Message-ID: MIME-Version: 1.0 Content-Type: text/plain Sender: linux-nfs-owner@vger.kernel.org List-ID: > The server should honour the open without repeating the delegation. > > The client already knows about the delegation due to the first open, > so there is no value whatsoever in repeating it. In addition, as you > see from Olga's example, it causes races with the return of that > delegation. Thanks for the clarification, I'll be updating my v2 patch to suppress both types of delegations ("duplicate" and "repeated"). Thanks, Andy -- Andrew W. Elble aweits@discipline.rit.edu Infrastructure Engineer, Communications Technical Lead Rochester Institute of Technology PGP: BFAD 8461 4CCF DC95 DA2C B0EB 965B 082E 863E C912