From patchwork Sat Sep 17 22:17:37 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeff Layton X-Patchwork-Id: 9337407 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 B53216077F for ; Sat, 17 Sep 2016 22:17:49 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B21F928C12 for ; Sat, 17 Sep 2016 22:17:49 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A745A28C18; Sat, 17 Sep 2016 22:17:49 +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 5421F28C12 for ; Sat, 17 Sep 2016 22:17:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754787AbcIQWRr (ORCPT ); Sat, 17 Sep 2016 18:17:47 -0400 Received: from mx1.redhat.com ([209.132.183.28]:34214 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754773AbcIQWRq (ORCPT ); Sat, 17 Sep 2016 18:17:46 -0400 Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (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 E0CF09E60F; Sat, 17 Sep 2016 22:17:45 +0000 (UTC) Received: from tlielax.poochiereds.net (ovpn-116-28.rdu2.redhat.com [10.10.116.28]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u8HMHd6Q008334; Sat, 17 Sep 2016 18:17:45 -0400 From: Jeff Layton To: trond.myklebust@primarydata.com, anna.schumaker@netapp.com Cc: linux-nfs@vger.kernel.org, bfields@fieldses.org Subject: [PATCH v4 7/9] nfs: move nfs4_set_lock_state call into caller Date: Sat, 17 Sep 2016 18:17:37 -0400 Message-Id: <1474150659-23894-8-git-send-email-jlayton@redhat.com> In-Reply-To: <1474150659-23894-1-git-send-email-jlayton@redhat.com> References: <1474150659-23894-1-git-send-email-jlayton@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Sat, 17 Sep 2016 22:17:45 +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 | 18 ++++++++++-------- 1 file changed, 10 insertions(+), 8 deletions(-) diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 74d8acadfd89..7a0d81b17eda 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -6135,15 +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 ((fl_flags & FL_POSIX) && - !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) @@ -6217,6 +6210,11 @@ nfs4_proc_lock(struct file *filp, int cmd, struct file_lock *request) if (state == NULL) return -ENOLCK; + + if ((request->fl_flags & FL_POSIX) && + !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. @@ -6231,6 +6229,10 @@ 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))