From patchwork Fri Sep 16 20:27:04 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeff Layton X-Patchwork-Id: 9336725 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id D59AD6077F for ; Fri, 16 Sep 2016 20:27:16 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C5A1D2A07C for ; Fri, 16 Sep 2016 20:27:16 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id BA56A2A083; Fri, 16 Sep 2016 20:27:16 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6EDB42A07C for ; Fri, 16 Sep 2016 20:27:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965294AbcIPU1P (ORCPT ); Fri, 16 Sep 2016 16:27:15 -0400 Received: from mx1.redhat.com ([209.132.183.28]:48890 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965229AbcIPU1O (ORCPT ); Fri, 16 Sep 2016 16:27:14 -0400 Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id C03F93B71E; Fri, 16 Sep 2016 20:27:13 +0000 (UTC) Received: from tlielax.poochiereds.net (ovpn-116-71.rdu2.redhat.com [10.10.116.71]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u8GKRBdb005570; Fri, 16 Sep 2016 16:27:13 -0400 From: Jeff Layton To: trond.myklebust@primarydata.com, anna.schumaker@netapp.com Cc: linux-nfs@vger.kernel.org, bfields@fieldses.org Subject: [PATCH v3 2/9] nfs: check for POSIX lock capability on server even for flock locks Date: Fri, 16 Sep 2016 16:27:04 -0400 Message-Id: <1474057631-31209-3-git-send-email-jlayton@redhat.com> In-Reply-To: <1474057631-31209-1-git-send-email-jlayton@redhat.com> References: <1474057631-31209-1-git-send-email-jlayton@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.30]); Fri, 16 Sep 2016 20:27:13 +0000 (UTC) Sender: linux-nfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP We may end up in here with a FL_FLOCK lock request. We translate those to whole-file NFSv4 locks and send them on to the server, so we need to verify that the server supports them no matter what sort of lock request this is. Signed-off-by: Jeff Layton --- fs/nfs/nfs4proc.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 9d38366666f4..a0f25185c78c 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -6135,8 +6135,7 @@ static int _nfs4_proc_setlk(struct nfs4_state *state, int cmd, struct file_lock unsigned char fl_flags = request->fl_flags; int status = -ENOLCK; - if ((fl_flags & FL_POSIX) && - !test_bit(NFS_STATE_POSIX_LOCKS, &state->flags)) + if (!test_bit(NFS_STATE_POSIX_LOCKS, &state->flags)) goto out; /* Is this a delegated open? */ status = nfs4_set_lock_state(state, request);