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 J. Wong" X-Patchwork-Id: 10646479 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 B1D793C13 for ; Wed, 17 Oct 2018 22:47:25 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A288C288F8 for ; Wed, 17 Oct 2018 22:47:25 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 969B8288E7; Wed, 17 Oct 2018 22:47:25 +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=-5.3 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from userp2120.oracle.com (userp2120.oracle.com [156.151.31.85]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 3B019288C7 for ; Wed, 17 Oct 2018 22:47:25 +0000 (UTC) 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 w9HMhtOQ189336; Wed, 17 Oct 2018 22:47:10 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : date : message-id : in-reply-to : references : mime-version : cc : subject : list-id : list-unsubscribe : list-archive : list-post : list-help : list-subscribe : content-type : content-transfer-encoding : sender; s=corp-2018-07-02; bh=IIlM6NyKyq5zuYRoDLyjoG8YXKqvFqWnM0Q/gah979o=; b=mz50I+0GvtQMWJW2OMDxnPzq2NHyQhdOTjHa2VZVZA2tm7PL0mXv9whzda+YCcgIqtqE wp+G/GQeUUj9JYO7XD/Wlw6V7hCOl/xg66dMpz1Do26hycEbEJ7jrjIDIdXSrQaQZ7Iv 7I6gIGPBMcLIRjCdt2DJNCL9opT8YDmSYXs868LGo2wzDR9S+vEaGxdefrrUr8cGRmiZ NTfFbeERHsWBXLHzftqcOPJWFA7EGfWFq7l3FxYVPELkK/zHQY3rwzXvtEUz++XNobOi kPu+yJnQzKo/0t1u8D8SmkCdmdYdpdvNTiviwnxNvPQVqN2abbu5dafctNkhLPrvroGq Fg== Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp2120.oracle.com with ESMTP id 2n39brhp9v-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 17 Oct 2018 22:47:10 +0000 Received: from oss.oracle.com (oss-old-reserved.oracle.com [137.254.22.2]) by userv0021.oracle.com (8.14.4/8.14.4) with ESMTP id w9HMl4qE013364 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Wed, 17 Oct 2018 22:47:04 GMT Received: from localhost ([127.0.0.1] helo=lb-oss.oracle.com) by oss.oracle.com with esmtp (Exim 4.63) (envelope-from ) id 1gCuam-0008Ch-GN; Wed, 17 Oct 2018 15:47:04 -0700 Received: from userv0021.oracle.com ([156.151.31.71]) by oss.oracle.com with esmtp (Exim 4.63) (envelope-from ) id 1gCuak-0008CT-E0 for ocfs2-devel@oss.oracle.com; Wed, 17 Oct 2018 15:47:02 -0700 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 From: "Darrick J. Wong" To: david@fromorbit.com, darrick.wong@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 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, ocfs2-devel@oss.oracle.com, linux-fsdevel@vger.kernel.org, linux-btrfs@vger.kernel.org Subject: [Ocfs2-devel] [PATCH 23/29] xfs: add a per-xfs trace_printk macro X-BeenThere: ocfs2-devel@oss.oracle.com X-Mailman-Version: 2.1.9 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: ocfs2-devel-bounces@oss.oracle.com Errors-To: ocfs2-devel-bounces@oss.oracle.com 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=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1807170000 definitions=main-1810170188 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 */ /*