From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1EF3A35201C; Tue, 21 Jul 2026 21:09:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=216.40.44.16 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784668179; cv=none; b=gAufiLOjoYM0mAmIuRbuQuN0KBAlW7TnlPE2v2wdkQ4/xMKGVMAjFi3Gl6YNqRTqfwrqx/uutTW5T15vBOjr6SlrS8aFphpMaK2Q97YhMmUVEkuWCjhi0xC54nSvp1p4wbsm19tLeF2c25YE43iPbWarxrsCG7o3WbnGzbBSz1A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784668179; c=relaxed/simple; bh=Ss0d/FtXt7qY2/K6XKwqXa2A1+8puGqwQg1fmKpIEHU=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=Cn19GsZ/9phaCj2+SBFEjd6JxMNKKmM7MS1/t4G12oyed/362nOEv81aq4AZZYzPGqNzethVz971EdM8NEJnMACy8fAUpe8JEPXc9Ah3rsIbO2f+TsnMtuVbvvtPbT/5bsI4MxKqIkGDIXoICqUY7XbP/TgObd/xsd1GxfdBplE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=goodmis.org; spf=pass smtp.mailfrom=goodmis.org; arc=none smtp.client-ip=216.40.44.16 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=goodmis.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=goodmis.org Received: from omf14.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay10.hostedemail.com (Postfix) with ESMTP id DCD0DC02A6; Tue, 21 Jul 2026 21:09:35 +0000 (UTC) Received: from [HIDDEN] (Authenticated sender: rostedt@goodmis.org) by omf14.hostedemail.com (Postfix) with ESMTPA id 8967630; Tue, 21 Jul 2026 21:09:33 +0000 (UTC) Date: Tue, 21 Jul 2026 17:09:52 -0400 From: Steven Rostedt To: Baolin Liu Cc: almaz.alexandrovich@paragon-software.com, mhiramat@kernel.org, mathieu.desnoyers@efficios.com, linux-kernel@vger.kernel.org, ntfs3@lists.linux.dev, linux-trace-kernel@vger.kernel.org, liubaolin12138@gmail.com, Baolin Liu Subject: Re: [PATCH v1 v1 2/7] ntfs3: add namei tracepoints Message-ID: <20260721170952.26f79352@gandalf.local.home> In-Reply-To: <20260717032248.3318208-3-liubaolin12138@163.com> References: <20260717032248.3318208-1-liubaolin12138@163.com> <20260717032248.3318208-3-liubaolin12138@163.com> X-Mailer: Claws Mail 3.20.0git84 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 8967630 X-Stat-Signature: qojtcy4gzn5wrs17ydnuuimi48pyqbaf X-Rspamd-Server: rspamout07 X-Session-Marker: 726F737465647440676F6F646D69732E6F7267 X-Session-ID: U2FsdGVkX1+tdfwZucz7oE5JLsF8N7x3CVcm/ofxZrs= X-HE-Tag: 1784668173-947541 X-HE-Meta: U2FsdGVkX1/cC9ZmsEmqJ+zFElRipQF0/VCSqjaJA78e3OQ+ACEGOf0XB2xuNGcaNstQMrs47YLDmf7fVH5toZTZDBuDqCgJQnob0JMV/3f6kr12rQQ6dI5829u5q1coXVZ9k38EpYQKaW58uiZB9PUkvDTMJKJa/onodpcB9ALVmtPD0s5HgDdH6JX8FYWQW8q24fNNKEeHFPUqyIGWKAtLBqq0w313pZmAeBANLB374/mU1KTQlXrBeH12zYn/0W3CKWOONqpeh0M9Y0HdFDnmuAokepoeQtVHU3mObnQdagLsjYyjsec32CZhlbK8aE9EgX2y2KdDztnmA7meL2MyGeFmwCzU On Fri, 17 Jul 2026 11:22:43 +0800 Baolin Liu wrote: > +TRACE_EVENT(ntfs3_lookup, > + TP_PROTO(struct inode *dir, struct dentry *dentry), > + TP_ARGS(dir, dentry), > + TP_STRUCT__entry( > + __field(dev_t, dev) > + __field(unsigned long, parent_ino) > + __string(name, dentry->d_name.name) > + __field(unsigned int, name_len) > + ), > + TP_fast_assign( > + __entry->dev = dir->i_sb->s_dev; > + __entry->parent_ino = dir->i_ino; > + __assign_str(name); > + __entry->name_len = dentry->d_name.len; Is dentry->d_name.len not equal to strlen(dentry->d_name.name) + 1 ? -- Steve > + ), > + TP_printk("dev=(%d,%d) parent=%lu name=%s len=%u", > + MAJOR(__entry->dev), MINOR(__entry->dev), > + __entry->parent_ino, __get_str(name), > + __entry->name_len) > +);