From patchwork Fri Sep 9 18:47:48 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeff Layton X-Patchwork-Id: 9324147 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 00AC0607D3 for ; Fri, 9 Sep 2016 18:48:00 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id EA2F429ED4 for ; Fri, 9 Sep 2016 18:47:59 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id DF8C629EE4; Fri, 9 Sep 2016 18:47:59 +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 926EF29ED4 for ; Fri, 9 Sep 2016 18:47:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754297AbcIISr6 (ORCPT ); Fri, 9 Sep 2016 14:47:58 -0400 Received: from mx1.redhat.com ([209.132.183.28]:41630 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753269AbcIISr4 (ORCPT ); Fri, 9 Sep 2016 14:47:56 -0400 Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (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 CC13489C31; Fri, 9 Sep 2016 18:47:55 +0000 (UTC) Received: from tlielax.poochiereds.net (ovpn-116-60.rdu2.redhat.com [10.10.116.60]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u89IloNI016135; Fri, 9 Sep 2016 14:47:55 -0400 From: Jeff Layton To: trond.myklebust@primarydata.com, Anna.Schumaker@netapp.com Cc: linux-nfs@vger.kernel.org Subject: [PATCH v2 07/10] nfs: move nfs4_set_lock_state call into caller Date: Fri, 9 Sep 2016 14:47:48 -0400 Message-Id: <1473446870-1831-8-git-send-email-jlayton@redhat.com> In-Reply-To: <1473446870-1831-1-git-send-email-jlayton@redhat.com> References: <1473446870-1831-1-git-send-email-jlayton@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.27]); Fri, 09 Sep 2016 18:47:55 +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 need to have this info set up before adding the waiter to the waitqueue, so move this out of the _nfs4_proc_setlk and into the caller. That's more efficient anyway since we don't need to do this more than once if we end up waiting on the lock. Signed-off-by: Jeff Layton --- fs/nfs/nfs4proc.c | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 627a9185822f..a50ba7975449 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -6135,14 +6135,8 @@ static int _nfs4_proc_setlk(struct nfs4_state *state, int cmd, struct file_lock struct nfs_inode *nfsi = NFS_I(state->inode); struct nfs4_state_owner *sp = state->owner; unsigned char fl_flags = request->fl_flags; - int status = -ENOLCK; + int status; - if (!test_bit(NFS_STATE_POSIX_LOCKS, &state->flags)) - goto out; - /* Is this a delegated open? */ - status = nfs4_set_lock_state(state, request); - if (status != 0) - goto out; request->fl_flags |= FL_ACCESS; status = locks_lock_inode_wait(state->inode, request); if (status < 0) @@ -6216,6 +6210,10 @@ nfs4_proc_lock(struct file *filp, int cmd, struct file_lock *request) if (state == NULL) return -ENOLCK; + + if (!test_bit(NFS_STATE_POSIX_LOCKS, &state->flags)) + return -ENOLCK; + /* * Don't rely on the VFS having checked the file open mode, * since it won't do this for flock() locks. @@ -6230,6 +6228,10 @@ nfs4_proc_lock(struct file *filp, int cmd, struct file_lock *request) return -EBADF; } + status = nfs4_set_lock_state(state, request); + if (status != 0) + return status; + do { status = nfs4_proc_setlk(state, cmd, request); if ((status != -EAGAIN) || IS_SETLK(cmd))