From patchwork Wed Oct 17 22:46:59 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Darrick Wong X-Patchwork-Id: 985602 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-cifs-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=oracle.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=oracle.com header.i=@oracle.com header.b="GpfsTTzn"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 42b6kW04Shz9sBn for ; Thu, 18 Oct 2018 09:47:14 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727851AbeJRGo5 (ORCPT ); Thu, 18 Oct 2018 02:44:57 -0400 Received: from userp2120.oracle.com ([156.151.31.85]:57518 "EHLO userp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727836AbeJRGo5 (ORCPT ); Thu, 18 Oct 2018 02:44:57 -0400 Received: from pps.filterd (userp2120.oracle.com [127.0.0.1]) by userp2120.oracle.com (8.16.0.22/8.16.0.22) with SMTP id w9HMjJCk190217; Wed, 17 Oct 2018 22:47:02 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=subject : from : to : cc : date : message-id : in-reply-to : references : mime-version : content-type : content-transfer-encoding; s=corp-2018-07-02; bh=SGDSArbiullpYs/XPOG6T2xvgHyk5haCgm1b67adURI=; b=GpfsTTzn2FDJOHVvdOCtMqCeAseCxfMgHNLE+mQwEdG77npdgHddYIEYM2/zi1ISAPsz R1VueayZv2tBM8+cEkl4KaeT6O+U0lPnv+Diw7fgZSrYBNQi2h3AVRgf2fKjOcCcPOln x7LBzYy72Lzr01waDkzXsU6XUS5fhmNhe9nJKTH6Cne3lb+e/iNbcI/fZOQwe3horA/e LVYfol8SX9g2G7c2dkZsQ8+z6G7oIt+lP09n8ih1aj9HxyqCjQD4CAZAlwC+oK5pc5iQ KlDXEvLyj0M+NlTzelagWWcojei/EswJTYptda+tlV835Uuo7rIkh9xzkDZrVifjCe6+ XA== Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp2120.oracle.com with ESMTP id 2n39brhp9b-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 17 Oct 2018 22:47:02 +0000 Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0021.oracle.com (8.14.4/8.14.4) with ESMTP id w9HMl2s7013248 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 17 Oct 2018 22:47:02 GMT Received: from abhmp0018.oracle.com (abhmp0018.oracle.com [141.146.116.24]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id w9HMl1rL031780; Wed, 17 Oct 2018 22:47:01 GMT Received: from localhost (/10.159.132.177) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 17 Oct 2018 15:47:01 -0700 Subject: [PATCH 23/29] xfs: add a per-xfs trace_printk macro From: "Darrick J. Wong" To: david@fromorbit.com, darrick.wong@oracle.com Cc: sandeen@redhat.com, linux-nfs@vger.kernel.org, linux-cifs@vger.kernel.org, linux-unionfs@vger.kernel.org, linux-xfs@vger.kernel.org, linux-mm@kvack.org, linux-btrfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, ocfs2-devel@oss.oracle.com Date: Wed, 17 Oct 2018 15:46:59 -0700 Message-ID: <153981641972.5568.6155004838582569988.stgit@magnolia> In-Reply-To: <153981625504.5568.2708520119290577378.stgit@magnolia> References: <153981625504.5568.2708520119290577378.stgit@magnolia> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=nai engine=5900 definitions=9049 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=966 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1807170000 definitions=main-1810170188 Sender: linux-cifs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-cifs@vger.kernel.org From: Darrick J. Wong Add a "xfs_tprintk" macro so that developers can use trace_printk to print out arbitrary debugging information with the XFS device name attached to the trace output. Signed-off-by: Darrick J. Wong --- fs/xfs/xfs_error.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/fs/xfs/xfs_error.h b/fs/xfs/xfs_error.h index 246d3e989c6c..5caa8bdf6c38 100644 --- a/fs/xfs/xfs_error.h +++ b/fs/xfs/xfs_error.h @@ -76,6 +76,11 @@ extern int xfs_errortag_set(struct xfs_mount *mp, unsigned int error_tag, unsigned int tag_value); extern int xfs_errortag_add(struct xfs_mount *mp, unsigned int error_tag); extern int xfs_errortag_clearall(struct xfs_mount *mp); + +/* trace printk version of xfs_err and friends */ +#define xfs_tprintk(mp, fmt, args...) \ + trace_printk("dev %d:%d " fmt, MAJOR((mp)->m_super->s_dev), \ + MINOR((mp)->m_super->s_dev), ##args) #else #define xfs_errortag_init(mp) (0) #define xfs_errortag_del(mp) @@ -83,6 +88,7 @@ extern int xfs_errortag_clearall(struct xfs_mount *mp); #define xfs_errortag_set(mp, tag, val) (ENOSYS) #define xfs_errortag_add(mp, tag) (ENOSYS) #define xfs_errortag_clearall(mp) (ENOSYS) +#define xfs_tprintk(mp, fmt, args...) do { } while (0) #endif /* DEBUG */ /*