From mboxrd@z Thu Jan 1 00:00:00 1970 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754235AbdBEUH5 (ORCPT + 2 others); Sun, 5 Feb 2017 15:07:57 -0500 Received: from wtarreau.pck.nerim.net ([62.212.114.60]:27895 "EHLO 1wt.eu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753640AbdBETYd (ORCPT ); Sun, 5 Feb 2017 14:24:33 -0500 From: Willy Tarreau To: linux-kernel@vger.kernel.org, stable@vger.kernel.org, linux@roeck-us.net Cc: Trond Myklebust , Anna Schumaker , Willy Tarreau Subject: [PATCH 3.10 172/319] NFSv4: Open state recovery must account for file permission changes Date: Sun, 5 Feb 2017 20:19:54 +0100 Message-Id: <1486322541-8206-73-git-send-email-w@1wt.eu> X-Mailer: git-send-email 2.8.0.rc2.1.gbe9624a In-Reply-To: <1486322541-8206-1-git-send-email-w@1wt.eu> References: <1486322541-8206-1-git-send-email-w@1wt.eu> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Return-Path: From: Trond Myklebust commit 304020fe48c6c7fff8b5a38f382b54404f0f79d3 upstream. If the file permissions change on the server, then we may not be able to recover open state. If so, we need to ensure that we mark the file descriptor appropriately. Signed-off-by: Trond Myklebust Tested-by: Oleg Drokin Signed-off-by: Anna Schumaker Signed-off-by: Willy Tarreau --- fs/nfs/nfs4state.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index 2bdaf57..7d45b38 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -1464,6 +1464,9 @@ restart: "Zeroing state\n", __func__, status); case -ENOENT: case -ENOMEM: + case -EACCES: + case -EROFS: + case -EIO: case -ESTALE: /* * Open state on this file cannot be recovered -- 2.8.0.rc2.1.gbe9624a