From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from userp2120.oracle.com ([156.151.31.85]:54098 "EHLO userp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726073AbeJEHkz (ORCPT ); Fri, 5 Oct 2018 03:40:55 -0400 Subject: [PATCH 01/15] xfs: add a per-xfs trace_printk macro From: "Darrick J. Wong" Date: Thu, 04 Oct 2018 17:44:40 -0700 Message-ID: <153870028090.29072.15491148658871752408.stgit@magnolia> In-Reply-To: <153870027422.29072.7433543674436957232.stgit@magnolia> References: <153870027422.29072.7433543674436957232.stgit@magnolia> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-xfs-owner@vger.kernel.org List-ID: List-Id: xfs To: david@fromorbit.com, darrick.wong@oracle.com Cc: linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-btrfs@vger.kernel.org, ocfs2-devel@oss.oracle.com, sandeen@redhat.com 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 | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/fs/xfs/xfs_error.h b/fs/xfs/xfs_error.h index 246d3e989c6c..c3d9546b138c 100644 --- a/fs/xfs/xfs_error.h +++ b/fs/xfs/xfs_error.h @@ -99,4 +99,9 @@ extern int xfs_errortag_clearall(struct xfs_mount *mp); #define XFS_PTAG_SHUTDOWN_LOGERROR 0x00000040 #define XFS_PTAG_FSBLOCK_ZERO 0x00000080 +/* 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) + #endif /* __XFS_ERROR_H__ */