From patchwork Tue Aug 12 14:48:13 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeff Layton X-Patchwork-Id: 4712941 Return-Path: X-Original-To: patchwork-linux-nfs@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 8A338C0338 for ; Tue, 12 Aug 2014 14:48:42 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id A4BED20127 for ; Tue, 12 Aug 2014 14:48:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CFADD2015A for ; Tue, 12 Aug 2014 14:48:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753195AbaHLOs1 (ORCPT ); Tue, 12 Aug 2014 10:48:27 -0400 Received: from mail-qa0-f46.google.com ([209.85.216.46]:34623 "EHLO mail-qa0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753127AbaHLOs0 (ORCPT ); Tue, 12 Aug 2014 10:48:26 -0400 Received: by mail-qa0-f46.google.com with SMTP id v10so8971779qac.5 for ; Tue, 12 Aug 2014 07:48:25 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references; bh=3a+rQwIP2iV0m7hhYT3vkoH5cSplfZV2tP1Y2FdTbEs=; b=ZAjGmNbjBV6iuB0QirsEb0pQHbHtO0C+ZFAnX1x2JlMYL4Wd4gcgEUM0944s9CYzhA FVzCUk9lxhKgCjImiUUjtmss1UiA2MCPShpOwv+mp04V+en+I4NJXTdCw3eUh6aeFSUz 5swr4SPba+Qz3gZnvnSKdPp7/4gYzjemY1cHlYIlykow7RQvLPpAqtDOuqGPXvdqSyWs fK1jUMQIWdayvKfqXZxNmYeIoouPf9yX/EOeQFqqjAZ6zm4i7bI9fmiuP1I8qzhPsUO4 1b/71vAEcLb5fSlQJYdOhqkzKNqOdv/u4UPnLxgn5nhwZLiee3lnKO+MB/A9JXuGeIKg He9A== X-Gm-Message-State: ALoCoQn6MqTDg5xXhe/PiXjqpUnIuZ3yxXAE3I48MXVwAxCI5Nm6IhGDRRx3j27VWHsTWV6k2uqx X-Received: by 10.140.42.10 with SMTP id b10mr7109890qga.82.1407854905552; Tue, 12 Aug 2014 07:48:25 -0700 (PDT) Received: from tlielax.poochiereds.net ([2001:470:8:d63:3a60:77ff:fe93:a95d]) by mx.google.com with ESMTPSA id j3sm17768692qgj.48.2014.08.12.07.48.24 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 12 Aug 2014 07:48:24 -0700 (PDT) From: Jeff Layton To: linux-fsdevel@vger.kernel.org Cc: linux-kernel@vger.kernel.org, linux-nfs@vger.kernel.org Subject: [PATCH 5/5] locks: update Locking documentation to clarify fl_release_private behavior Date: Tue, 12 Aug 2014 10:48:13 -0400 Message-Id: <1407854893-2698-6-git-send-email-jlayton@primarydata.com> X-Mailer: git-send-email 1.9.3 In-Reply-To: <1407854893-2698-1-git-send-email-jlayton@primarydata.com> References: <1407854893-2698-1-git-send-email-jlayton@primarydata.com> Sender: linux-nfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org X-Spam-Status: No, score=-7.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Jeff Layton --- Documentation/filesystems/Locking | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking index b18dd1779029..f1997e9da61f 100644 --- a/Documentation/filesystems/Locking +++ b/Documentation/filesystems/Locking @@ -349,7 +349,11 @@ prototypes: locking rules: inode->i_lock may block fl_copy_lock: yes no -fl_release_private: maybe no +fl_release_private: maybe maybe[1] + +[1]: ->fl_release_private for flock or POSIX locks is currently allowed +to block. Leases however can still be freed while the i_lock is held and +so fl_release_private called on a lease should not block. ----------------------- lock_manager_operations --------------------------- prototypes: