From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from m16.mail.163.com (m16.mail.163.com [220.197.31.2]) (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 76101274641; Fri, 7 Aug 2026 01:04:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=220.197.31.2 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786064687; cv=none; b=pl7TYJDXO+wgnk4Bj8wZVOrpNWoEMQPikX1/lkV3D6FZ8PyEkXE3+tJbF6AiXE1bu3FxOIcTyt+pSQztqLWq9+Z4m98KOOdP24+FQuSFaSZkJyjDpNFAgzZZHGSlxCcZxRWkuIMond8L9nE3KJUc97mEcDj7AA3oxw7mdZ+/6OM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786064687; c=relaxed/simple; bh=3YrGN2r3o4zxkKUcthMdwznjPnpl3mbm4YiZNIESras=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=AoqZtcVGnQHPZac3t0wTUS1AheQTcDBryFpFb84uUsz9ETWZdfbmKJgk1RM4cenXGP/4uPPLpZ0YL7Kem+qwCV9Ath2QqyRY8ZLZpdyw907PwRv+ZtOHCHTfQflX9fwxy+LLm/QXmZobvm9RZKjfk8ZSCiBfz2HR26KaHG1IprA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com; spf=pass smtp.mailfrom=163.com; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b=MgPNRM6w; arc=none smtp.client-ip=220.197.31.2 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=163.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b="MgPNRM6w" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:To:Subject:Date:Message-ID:MIME-Version; bh=iG om8Epilwi6V2126R3wVx/l/gkYFTDyDJNaMaHfR+M=; b=MgPNRM6wFH2C82JFep mw9QOjcBeVd/s7T3FMUkDxBcX9cAJvAgHvUCOvTO3qHv49TKntnACmNDPkCN8yUj OkZOQ+7A+XTGXTnZcP96E0F3C4Vc3prjv+cw/53zwUAdxsVcySwvnhTbx17YqVO4 Pxom57yF4tSxp8OgZ+yhO7v6M= Received: from liubaolin-ThinkPad-E15-Gen-2 (unknown []) by gzga-smtp-mtada-g1-4 (Coremail) with SMTP id _____wAnpYn9LnVqp7BkOQ--.32974S4; Fri, 07 Aug 2026 09:04:07 +0800 (CST) From: Baolin Liu To: almaz.alexandrovich@paragon-software.com, rostedt@goodmis.org, mhiramat@kernel.org, mathieu.desnoyers@efficios.com Cc: linux-kernel@vger.kernel.org, ntfs3@lists.linux.dev, linux-trace-kernel@vger.kernel.org, liubaolin12138@163.com, liubaolin12138@gmail.com, Baolin Liu Subject: [PATCH v3 v3 2/7] ntfs3: add namei tracepoints Date: Fri, 7 Aug 2026 09:03:49 +0800 Message-ID: <20260807010354.2277156-3-liubaolin12138@163.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260807010354.2277156-1-liubaolin12138@163.com> References: <20260807010354.2277156-1-liubaolin12138@163.com> Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID:_____wAnpYn9LnVqp7BkOQ--.32974S4 X-Coremail-Antispam: 1Uf129KBjvJXoWxGr18Aw4xZF15uw18JrWUArb_yoW5Cr47pF nFyFZ8W393JrsxKwnava15Zr4rZay8ur1Utry29347Ar1IqF1xtrs2gr4DAr95AFWFk347 WFWYv3s8Cw15Xr7anT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDUYxBIdaVFxhVjvjDU0xZFpf9x0pRbo7_UUUUU= X-CM-SenderInfo: xolxutxrol0iasrtmqqrwthudrp/xtbCwQfEj2p1LwdoywAA3Z From: Baolin Liu Add ntfs3 tracepoints for namei operations. This adds trace events for ntfs_lookup() and ntfs_rename() to help observe directory lookup and rename activity. Signed-off-by: Baolin Liu --- fs/ntfs3/namei.c | 5 ++++ include/trace/events/ntfs3.h | 44 ++++++++++++++++++++++++++++++++++++ 2 files changed, 49 insertions(+) diff --git a/fs/ntfs3/namei.c b/fs/ntfs3/namei.c index c59de5f2fa97..c1523decee32 100644 --- a/fs/ntfs3/namei.c +++ b/fs/ntfs3/namei.c @@ -13,6 +13,7 @@ #include "debug.h" #include "ntfs.h" #include "ntfs_fs.h" +#include /* * fill_name_de - Format NTFS_DE in @buf. @@ -72,6 +73,8 @@ static struct dentry *ntfs_lookup(struct inode *dir, struct dentry *dentry, struct inode *inode; int err; + trace_ntfs3_lookup(dir, dentry); + if (!uni) inode = ERR_PTR(-ENOMEM); else { @@ -275,6 +278,8 @@ static int ntfs_rename(struct mnt_idmap *idmap, struct inode *dir, if (unlikely(ntfs3_forced_shutdown(sb))) return -EIO; + trace_ntfs3_rename(dir, dentry, new_dir, new_dentry); + if (flags & ~RENAME_NOREPLACE) return -EINVAL; diff --git a/include/trace/events/ntfs3.h b/include/trace/events/ntfs3.h index a45f919cb33e..a1e4bdb6ec59 100644 --- a/include/trace/events/ntfs3.h +++ b/include/trace/events/ntfs3.h @@ -80,6 +80,50 @@ TRACE_EVENT(ntfs3_log_replay, __entry->size, __entry->initialized, __entry->err) ); +TRACE_EVENT(ntfs3_lookup, + TP_PROTO(struct inode *dir, struct dentry *dentry), + TP_ARGS(dir, dentry), + TP_STRUCT__entry( + __field(unsigned long, parent_ino) + __field(dev_t, dev) + __string(name, dentry->d_name.name) + ), + TP_fast_assign( + __entry->parent_ino = dir->i_ino; + __entry->dev = dir->i_sb->s_dev; + __assign_str(name); + ), + TP_printk("dev=(%d,%d) parent=%lu name=%s", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->parent_ino, __get_str(name)) +); + +TRACE_EVENT(ntfs3_rename, + TP_PROTO(struct inode *dir, struct dentry *dentry, + struct inode *new_dir, struct dentry *new_dentry), + TP_ARGS(dir, dentry, new_dir, new_dentry), + TP_STRUCT__entry( + __field(unsigned long, dir_ino) + __field(unsigned long, new_dir_ino) + __field(unsigned long, ino) + __field(dev_t, dev) + __string(old_name, dentry->d_name.name) + __string(new_name, new_dentry->d_name.name) + ), + TP_fast_assign( + __entry->dir_ino = dir->i_ino; + __entry->new_dir_ino = new_dir->i_ino; + __entry->ino = d_inode(dentry)->i_ino; + __entry->dev = dir->i_sb->s_dev; + __assign_str(old_name); + __assign_str(new_name); + ), + TP_printk("dev=(%d,%d) dir=%lu new_dir=%lu ino=%lu old=%s new=%s", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->dir_ino, __entry->new_dir_ino, __entry->ino, + __get_str(old_name), __get_str(new_name)) +); + #endif /* _TRACE_NTFS3_H */ #include -- 2.51.0