From patchwork Fri Aug 9 22:58:22 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ira Weiny X-Patchwork-Id: 11087929 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E34686C5 for ; Fri, 9 Aug 2019 22:58:54 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id CD57720602 for ; Fri, 9 Aug 2019 22:58:54 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C19A62223E; Fri, 9 Aug 2019 22:58:54 +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=-2.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 Received: from ml01.01.org (ml01.01.org [198.145.21.10]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 7F5F220602 for ; Fri, 9 Aug 2019 22:58:54 +0000 (UTC) Received: from [127.0.0.1] (localhost [IPv6:::1]) by ml01.01.org (Postfix) with ESMTP id CDB622131475A; Fri, 9 Aug 2019 16:01:35 -0700 (PDT) X-Original-To: linux-nvdimm@lists.01.org Delivered-To: linux-nvdimm@lists.01.org Received-SPF: Pass (sender SPF authorized) identity=mailfrom; client-ip=134.134.136.24; helo=mga09.intel.com; envelope-from=ira.weiny@intel.com; receiver=linux-nvdimm@lists.01.org Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 9FD202131D597 for ; Fri, 9 Aug 2019 16:01:34 -0700 (PDT) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga006.jf.intel.com ([10.7.209.51]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 09 Aug 2019 15:58:53 -0700 X-IronPort-AV: E=Sophos;i="5.64,367,1559545200"; d="scan'208";a="180270005" Received: from iweiny-desk2.sc.intel.com (HELO localhost) ([10.3.52.157]) by orsmga006-auth.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 09 Aug 2019 15:58:52 -0700 From: ira.weiny@intel.com To: Andrew Morton Subject: [RFC PATCH v2 08/19] fs/xfs: Fail truncate if page lease can't be broken Date: Fri, 9 Aug 2019 15:58:22 -0700 Message-Id: <20190809225833.6657-9-ira.weiny@intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190809225833.6657-1-ira.weiny@intel.com> References: <20190809225833.6657-1-ira.weiny@intel.com> MIME-Version: 1.0 X-BeenThere: linux-nvdimm@lists.01.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Linux-nvdimm developer list." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Michal Hocko , Jan Kara , linux-nvdimm@lists.01.org, linux-rdma@vger.kernel.org, John Hubbard , Dave Chinner , linux-kernel@vger.kernel.org, Matthew Wilcox , linux-xfs@vger.kernel.org, Jason Gunthorpe , linux-fsdevel@vger.kernel.org, Theodore Ts'o , linux-ext4@vger.kernel.org, linux-mm@kvack.org Errors-To: linux-nvdimm-bounces@lists.01.org Sender: "Linux-nvdimm" X-Virus-Scanned: ClamAV using ClamSMTP From: Ira Weiny If pages are under a lease fail the truncate operation. We change the order of lease breaks to directly fail the operation if the lease exists. Select EXPORT_BLOCK_OPS for FS_DAX to ensure that xfs_break_lease_layouts() is defined for FS_DAX as well as pNFS. Signed-off-by: Ira Weiny --- fs/Kconfig | 1 + fs/xfs/xfs_file.c | 5 +++-- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/fs/Kconfig b/fs/Kconfig index 14cd4abdc143..c10b91f92528 100644 --- a/fs/Kconfig +++ b/fs/Kconfig @@ -48,6 +48,7 @@ config FS_DAX select DEV_PAGEMAP_OPS if (ZONE_DEVICE && !FS_DAX_LIMITED) select FS_IOMAP select DAX + select EXPORTFS_BLOCK_OPS help Direct Access (DAX) can be used on memory-backed block devices. If the block device supports DAX and the filesystem supports DAX, diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index 447571e3cb02..850d0a0953a2 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -773,10 +773,11 @@ xfs_break_layouts( retry = false; switch (reason) { case BREAK_UNMAP: - error = xfs_break_dax_layouts(inode, &retry, off, len); + error = xfs_break_leased_layouts(inode, iolock, &retry); if (error || retry) break; - /* fall through */ + error = xfs_break_dax_layouts(inode, &retry, off, len); + break; case BREAK_WRITE: error = xfs_break_leased_layouts(inode, iolock, &retry); break;