From patchwork Wed Oct 10 15:00:13 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Darrick J. Wong" X-Patchwork-Id: 10634713 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 4288369B7 for ; Wed, 10 Oct 2018 15:00:28 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 175BC2A5F2 for ; Wed, 10 Oct 2018 15:00:28 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 135D72A5B8; Wed, 10 Oct 2018 15:00:28 +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=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI, UNPARSEABLE_RELAY autolearn=unavailable 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 BAED82A5E5 for ; Wed, 10 Oct 2018 15:00:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726882AbeJJWW6 (ORCPT ); Wed, 10 Oct 2018 18:22:58 -0400 Received: from userp2130.oracle.com ([156.151.31.86]:45660 "EHLO userp2130.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726649AbeJJWW6 (ORCPT ); Wed, 10 Oct 2018 18:22:58 -0400 Received: from pps.filterd (userp2130.oracle.com [127.0.0.1]) by userp2130.oracle.com (8.16.0.22/8.16.0.22) with SMTP id w9AEwxZn061417; Wed, 10 Oct 2018 15:00:16 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=date : from : to : cc : subject : message-id : references : mime-version : content-type : in-reply-to; s=corp-2018-07-02; bh=ipV9NF1XrLxUP1tG3SvuGYon/cVLDKZ2hQxeZuen2Ys=; b=dr96YeB5sXXFD1RiU19fn42P94FpWSrvZh4nFQx70uMViD255RhIiw4RFXHtJmoWHNY2 nUGq/6oCjL1uyvOB4nya5aRGZxdgGGDz6H3XvgTsxC5DX8ndr5zR2D3cqTAuLsEd4cxz VA2PhtkzFGoVenhVse3J4i3hOXz8VeBZsnb8yVd1ILXIdMiRdynfvr7EWjlvJntznCUp 11wrCH57hpFvCIczeBBr3OyUHHmEgyx9zibuplKbdMqgt9ufvHfmOJoe6XBnwCTFQ+FA SwAlq6S37fOlAiB/O1VMQ7MVktk+BIXMvW/pEzdLiOaVBld3RxNo8NiLoIwmsnCKyf3B yw== Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp2130.oracle.com with ESMTP id 2mxmftvr1x-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 10 Oct 2018 15:00:16 +0000 Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserv0022.oracle.com (8.14.4/8.14.4) with ESMTP id w9AF0FjZ007174 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 10 Oct 2018 15:00:15 GMT Received: from abhmp0019.oracle.com (abhmp0019.oracle.com [141.146.116.25]) by aserv0121.oracle.com (8.14.4/8.13.8) with ESMTP id w9AF0F68005461; Wed, 10 Oct 2018 15:00:15 GMT Received: from localhost (/67.169.218.210) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 10 Oct 2018 15:00:14 +0000 Date: Wed, 10 Oct 2018 08:00:13 -0700 From: "Darrick J. Wong" To: david@fromorbit.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 Subject: [PATCH v2 01/25] xfs: add a per-xfs trace_printk macro Message-ID: <20181010150013.GP28243@magnolia> References: <153913023835.32295.13962696655740190941.stgit@magnolia> <153913024554.32295.8692450593333636905.stgit@magnolia> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <153913024554.32295.8692450593333636905.stgit@magnolia> User-Agent: Mutt/1.9.4 (2018-02-28) X-Proofpoint-Virus-Version: vendor=nai engine=5900 definitions=9041 signatures=668706 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=1 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1807170000 definitions=main-1810100149 Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 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 */ /*