Received: by 2002:a25:8b12:0:0:0:0:0 with SMTP id i18csp2113283ybl; Thu, 15 Aug 2019 06:47:13 -0700 (PDT) X-Google-Smtp-Source: APXvYqwOow6U4VWEB569IcqkVlYsjV7kbdod+ZKpTgcy3p8DL3/BjErbhHkqF4Dv/+y5JRE6mInN X-Received: by 2002:a17:902:124:: with SMTP id 33mr4476566plb.145.1565876833332; Thu, 15 Aug 2019 06:47:13 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1565876833; cv=none; d=google.com; s=arc-20160816; b=eRZMmsjaBf9o5TFeqCtl715ZpMx65GaO5If9D60buSMSXefGgDF94PG9rwqVm/7IKn v2mGoGNm8i9uCq1zQBIdqsrfLp5WRx+26R77BLX7mUuH0fzc93MCJEvtT+ENNGUrcgk+ 0CQCTee/GOcLKg+GudPMcpSC/QAJUy319UqSOnq1O1WDhoGsMJ6XO0wvIUGc8Zf3eL5P fld/G4RhaJykP9ZJgPPwG/epdSnVfZspVZfdY+U8RCNIx9yQQbB/KZRkALDeXKy6SvB+ RMRgBbsoF3y26uFoIlXB18LMnVSHE7G/Yu1xUgaGVCQHbKYEA8XigAjCWapKhVDM3EMM KoMA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:message-id:date:subject:cc:to:from; bh=Tezk5dCSZmjVqSH0N9NcPRsRsLM+fWxZR4y+oKKmkRs=; b=czENH9Xf+gqEYRHPWqYKO5LLn0v3Lo+17R8I7bkO0YminuJvxQ6iKHAoOauAck92AS +o9P8B4Bb05Damgj/bI5mtCDlaw+q5L/vCer3pRpklVXWPxI+U4Lb8mEqBUgO7/Mx5O7 Ir9OYnX4A/LXEHuFBiRiY9YKpsghQiucmhVSyVCUsJOO34pTsGt3iQfDIksKUhHwQFhd YDqRfJtlOvveElbwvkDL2jHiLXxrQ6aLtC26f6LHNVyXJLFrUc/DGHBYGmYRfKzE5qT4 2MQqMtmCrjGQPHQrwKFV+dzhdBhJoP6bn0jh4C5dNw88lgnuVEZfRy2XfMteTGuaFHck QRyQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-ext4-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-ext4-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=alibaba.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id cu3si1002328pjb.74.2019.08.15.06.46.49; Thu, 15 Aug 2019 06:47:13 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-ext4-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-ext4-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-ext4-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=alibaba.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732471AbfHONpA (ORCPT + 99 others); Thu, 15 Aug 2019 09:45:00 -0400 Received: from out30-42.freemail.mail.aliyun.com ([115.124.30.42]:45209 "EHLO out30-42.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732183AbfHONpA (ORCPT ); Thu, 15 Aug 2019 09:45:00 -0400 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R181e4;CH=green;DM=||false|;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e07487;MF=xiaoguang.wang@linux.alibaba.com;NM=1;PH=DS;RN=2;SR=0;TI=SMTPD_---0TZYSK4q_1565876692; Received: from localhost(mailfrom:xiaoguang.wang@linux.alibaba.com fp:SMTPD_---0TZYSK4q_1565876692) by smtp.aliyun-inc.com(127.0.0.1); Thu, 15 Aug 2019 21:44:57 +0800 From: Xiaoguang Wang To: linux-ext4@vger.kernel.org Cc: Xiaoguang Wang Subject: [PATCH] jbd2: add missing tracepoint for reserved handle Date: Thu, 15 Aug 2019 21:44:46 +0800 Message-Id: <20190815134446.28547-1-xiaoguang.wang@linux.alibaba.com> X-Mailer: git-send-email 2.17.2 Sender: linux-ext4-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org This issue was found when I use ebpf to trace every jbd2 handle's running info in dioread_nolock case. Signed-off-by: Xiaoguang Wang --- fs/jbd2/transaction.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c index 990e7b5062e7..afc06daee5bb 100644 --- a/fs/jbd2/transaction.c +++ b/fs/jbd2/transaction.c @@ -569,6 +569,9 @@ int jbd2_journal_start_reserved(handle_t *handle, unsigned int type, } handle->h_type = type; handle->h_line_no = line_no; + trace_jbd2_handle_start(journal->j_fs_dev->bd_dev, + handle->h_transaction->t_tid, type, + line_no, handle->h_buffer_credits); return 0; } EXPORT_SYMBOL(jbd2_journal_start_reserved); -- 2.17.2