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 432F43D3306 for ; Thu, 20 Aug 2026 09:06:49 +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=1787216813; cv=none; b=Yp5hy2Ncvq2gxNhC7n2XbhzuiJywOrpgd8T6u5y0sQ0KTnGoVcF7pi+P2bVxr+q0h1HsX8Ncuv2W500PQSGv8ltfS+IC3XnR/vfzDtSa84t47TyS4h9PMGlV99AkellzT8XXcbLgU7ZOyPNSOUdbVCVYsJdTHzsWJgnmvQ5fnyY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787216813; c=relaxed/simple; bh=ipFRiEZb3eOzbms77cPdggMuTdTP/tuAsuPcoOcd3hw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=BfMOMpYnB/Jdi3odgAncLPqOV16q8RbDc5PL8z7Pq70ruEqzSIXCzgeuuabU5AThV039KqmPliAHG/aWRzjJC/ACAktNJQPnBEoD56ccBX+4pQOBhLKPrsjleS8s7AEzW06iUWu3FwE5b54KxKnM5Prw0AKQ6zmPcxbiE13OSGE= 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=qX8sEPoW; 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="qX8sEPoW" 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=UV C2ktW37UcDCI11yFCHJYewa7WGv3t7Z5otXeKijXo=; b=qX8sEPoWvA6rbPvnEN ZCycdtjYYCXfCiV44NwLtjx8vEwFAOoD5ENrQQ5ieiBvf+DQz4pcTlVugPIGekPQ 6SF0RaDBDrh0slWgRDduUZ27fANVzFqVBcj+ykobrvpOwdqAZMEzHoStRZI75Jza tgQ3zEAb6sDOSUmnGxH8wJssU= Received: from liubaolin-ThinkPad-E15-Gen-2 (unknown []) by gzga-smtp-mtada-g0-0 (Coremail) with SMTP id _____wAHFld6w4ZqIRluPA--.45482S6; Thu, 20 Aug 2026 17:06:26 +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 v4 4/7] ntfs3: add directory index tracepoints Date: Thu, 20 Aug 2026 17:05:01 +0800 Message-ID: <20260820090504.950475-5-liubaolin12138@163.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260820090504.950475-1-liubaolin12138@163.com> References: <20260820090504.950475-1-liubaolin12138@163.com> Precedence: bulk X-Mailing-List: ntfs3@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID:_____wAHFld6w4ZqIRluPA--.45482S6 X-Coremail-Antispam: 1Uf129KBjvJXoW3GF47WF47Aw4UJFW3Jw1rXrb_yoW7Xr43pF nrCrZxK397JrZFkwsaya1Fyr4ava95ur4Dtry3W342yw4Iqr18tF4DKr1jvr95ArWF9ryf WF4Y9a4DG3WUWr7anT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDUYxBIdaVFxhVjvjDU0xZFpf9x0pE_-PUUUUUU= X-CM-SenderInfo: xolxutxrol0iasrtmqqrwthudrp/xtbCwhNRHGqGw5M8EAAA3M From: Baolin Liu Add ntfs3 tracepoints for directory index operations. This adds trace events for dir_search_u(), indx_find(), indx_insert_entry(), and indx_delete_entry() to help observe directory index lookup, insert, and delete activity. Signed-off-by: Baolin Liu --- fs/ntfs3/dir.c | 3 ++ fs/ntfs3/index.c | 8 ++++ include/trace/events/ntfs3.h | 81 ++++++++++++++++++++++++++++++++++++ 3 files changed, 92 insertions(+) diff --git a/fs/ntfs3/dir.c b/fs/ntfs3/dir.c index 873d52233003..eb10e7ff45bc 100644 --- a/fs/ntfs3/dir.c +++ b/fs/ntfs3/dir.c @@ -14,6 +14,7 @@ #include "debug.h" #include "ntfs.h" #include "ntfs_fs.h" +#include /* Convert little endian UTF-16 to NLS string. */ int ntfs_utf16_to_nls(struct ntfs_sb_info *sbi, const __le16 *name, u32 len, @@ -243,6 +244,8 @@ struct inode *dir_search_u(struct inode *dir, const struct cpu_str *uni, struct inode *inode = NULL; struct ntfs_fnd *fnd_a = NULL; + trace_ntfs3_dir_search_u(dir, uni ? uni->len : 0); + if (!fnd) { fnd_a = fnd_get(); if (!fnd_a) { diff --git a/fs/ntfs3/index.c b/fs/ntfs3/index.c index 2b439ac04356..d4ca7b1bb524 100644 --- a/fs/ntfs3/index.c +++ b/fs/ntfs3/index.c @@ -13,6 +13,7 @@ #include "debug.h" #include "ntfs.h" #include "ntfs_fs.h" +#include static const struct INDEX_NAMES { const __le16 *name; @@ -1179,6 +1180,8 @@ int indx_find(struct ntfs_index *indx, struct ntfs_inode *ni, if (!root) root = indx_get_root(&ni->dir, ni, NULL, NULL); + trace_ntfs3_indx_find(&ni->vfs_inode, indx->type, key_len); + if (!root) { /* Should not happen. */ return -EINVAL; @@ -2051,6 +2054,9 @@ int indx_insert_entry(struct ntfs_index *indx, struct ntfs_inode *ni, return -EINVAL; } + trace_ntfs3_indx_insert_entry(&ni->vfs_inode, indx->type, + le16_to_cpu(new_de->key_size), undo); + if (fnd_is_empty(fnd)) { /* * Find the spot the tree where we want to @@ -2409,6 +2415,8 @@ int indx_delete_entry(struct ntfs_index *indx, struct ntfs_inode *ni, return -EINVAL; } + trace_ntfs3_indx_delete_entry(&ni->vfs_inode, indx->type, key_len); + /* Locate the entry to remove. */ err = indx_find(indx, ni, root, key, key_len, ctx, &diff, &e, fnd); if (err) diff --git a/include/trace/events/ntfs3.h b/include/trace/events/ntfs3.h index 67a2bde0266d..4ac05ed29e49 100644 --- a/include/trace/events/ntfs3.h +++ b/include/trace/events/ntfs3.h @@ -142,6 +142,87 @@ TRACE_EVENT(ntfs3_create_inode, __entry->parent_ino, __get_str(name)) ); +TRACE_EVENT(ntfs3_dir_search_u, + TP_PROTO(struct inode *dir, unsigned int name_len), + TP_ARGS(dir, name_len), + TP_STRUCT__entry( + __field(unsigned long, dir_ino) + __field(dev_t, dev) + __field(unsigned int, name_len) + ), + TP_fast_assign( + __entry->dir_ino = dir->i_ino; + __entry->dev = dir->i_sb->s_dev; + __entry->name_len = name_len; + ), + TP_printk("dev=(%d,%d) dir=%lu name_len=%u", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->dir_ino, __entry->name_len) +); + +TRACE_EVENT(ntfs3_indx_find, + TP_PROTO(struct inode *inode, u8 type, size_t key_len), + TP_ARGS(inode, type, key_len), + TP_STRUCT__entry( + __field(unsigned long, ino) + __field(size_t, key_len) + __field(dev_t, dev) + __field(u8, type) + ), + TP_fast_assign( + __entry->ino = inode->i_ino; + __entry->key_len = key_len; + __entry->dev = inode->i_sb->s_dev; + __entry->type = type; + ), + TP_printk("dev=(%d,%d) ino=%lu type=%u key_len=%zu", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->ino, __entry->type, __entry->key_len) +); + +TRACE_EVENT(ntfs3_indx_insert_entry, + TP_PROTO(struct inode *inode, u8 type, u16 key_len, bool undo), + TP_ARGS(inode, type, key_len, undo), + TP_STRUCT__entry( + __field(unsigned long, ino) + __field(dev_t, dev) + __field(u16, key_len) + __field(u8, type) + __field(bool, undo) + ), + TP_fast_assign( + __entry->ino = inode->i_ino; + __entry->dev = inode->i_sb->s_dev; + __entry->key_len = key_len; + __entry->type = type; + __entry->undo = undo; + ), + TP_printk("dev=(%d,%d) ino=%lu type=%u key_len=%u undo=%d", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->ino, __entry->type, __entry->key_len, + __entry->undo) +); + +TRACE_EVENT(ntfs3_indx_delete_entry, + TP_PROTO(struct inode *inode, u8 type, u32 key_len), + TP_ARGS(inode, type, key_len), + TP_STRUCT__entry( + __field(unsigned long, ino) + __field(u32, key_len) + __field(dev_t, dev) + __field(u8, type) + ), + TP_fast_assign( + __entry->ino = inode->i_ino; + __entry->key_len = key_len; + __entry->dev = inode->i_sb->s_dev; + __entry->type = type; + ), + TP_printk("dev=(%d,%d) ino=%lu type=%u key_len=%u", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->ino, __entry->type, __entry->key_len) +); + #endif /* _TRACE_NTFS3_H */ #include -- 2.51.0