[PATCH v1 v1 1/7] ntfs3: add mount and log replay tracepoints
From: Baolin Liu
Date: Thu Jul 16 2026 - 23:28:16 EST
From: Baolin Liu <liubaolin@xxxxxxxxxx>
Add ntfs3 tracepoints for mount and log replay paths.
This adds trace events for ntfs_fill_super(), ntfs_init_from_boot(),
and log_replay() to help observe mount setup, boot sector parsing,
and $LogFile replay results.
Signed-off-by: Baolin Liu <liubaolin@xxxxxxxxxx>
---
MAINTAINERS | 1 +
fs/ntfs3/fslog.c | 3 ++
fs/ntfs3/super.c | 11 ++++-
include/trace/events/ntfs3.h | 85 ++++++++++++++++++++++++++++++++++++
4 files changed, 99 insertions(+), 1 deletion(-)
create mode 100644 include/trace/events/ntfs3.h
diff --git a/MAINTAINERS b/MAINTAINERS
index 15011f5752a9..05d815243cb8 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -19293,6 +19293,7 @@ W: http://www.paragon-software.com/
T: git https://github.com/Paragon-Software-Group/linux-ntfs3.git
F: Documentation/filesystems/ntfs3.rst
F: fs/ntfs3/
+F: include/trace/events/ntfs3.h
NTSYNC SYNCHRONIZATION PRIMITIVE DRIVER
M: Elizabeth Figura <zfigura@xxxxxxxxxxxxxxx>
diff --git a/fs/ntfs3/fslog.c b/fs/ntfs3/fslog.c
index f038c799e7ac..5020da7e72f1 100644
--- a/fs/ntfs3/fslog.c
+++ b/fs/ntfs3/fslog.c
@@ -13,6 +13,7 @@
#include "debug.h"
#include "ntfs.h"
#include "ntfs_fs.h"
+#include <trace/events/ntfs3.h>
/*
* LOG FILE structs
@@ -5362,6 +5363,8 @@ int log_replay(struct ntfs_inode *ni, bool *initialized)
else if (log->set_dirty)
ntfs_set_state(sbi, NTFS_DIRTY_ERROR);
+ trace_ntfs3_log_replay(&ni->vfs_inode, *initialized, err);
+
kfree(log);
return err;
diff --git a/fs/ntfs3/super.c b/fs/ntfs3/super.c
index 3305fe406cb2..7034ef257452 100644
--- a/fs/ntfs3/super.c
+++ b/fs/ntfs3/super.c
@@ -76,6 +76,9 @@
#include "lib/lib.h"
#endif
+#define CREATE_TRACE_POINTS
+#include <trace/events/ntfs3.h>
+
#ifdef CONFIG_PRINTK
/*
* ntfs_printk - Trace warnings/notices/errors.
@@ -956,7 +959,7 @@ static int ntfs_init_from_boot(struct super_block *sb, u32 sector_size,
{
struct ntfs_sb_info *sbi = sb->s_fs_info;
int err;
- u32 mb, gb, boot_sector_size, sct_per_clst, record_size;
+ u32 mb, gb, boot_sector_size = 0, sct_per_clst, record_size;
u64 sectors, clusters, mlcn, mlcn2, dev_size0;
struct NTFS_BOOT *boot;
struct buffer_head *bh;
@@ -1216,6 +1219,8 @@ static int ntfs_init_from_boot(struct super_block *sb, u32 sector_size,
}
out:
+ trace_ntfs3_init_from_boot(sb, sector_size, boot_sector_size,
+ !!boot_block, err);
brelse(bh);
if (err == -EINVAL && !boot_block && dev_size0 > PAGE_SHIFT) {
@@ -1731,12 +1736,16 @@ static int ntfs_fill_super(struct super_block *sb, struct fs_context *fc)
}
ntfs_create_procdir(sb);
+ trace_ntfs3_fill_super(sb, ro, sbi->cluster_size, sbi->record_size,
+ sbi->index_size, 0);
return 0;
put_inode_out:
iput(inode);
out:
+ trace_ntfs3_fill_super(sb, ro, sbi->cluster_size, sbi->record_size,
+ sbi->index_size, err);
/* sbi->options == options */
if (options) {
put_mount_options(sbi->options);
diff --git a/include/trace/events/ntfs3.h b/include/trace/events/ntfs3.h
new file mode 100644
index 000000000000..d00f66e42ba8
--- /dev/null
+++ b/include/trace/events/ntfs3.h
@@ -0,0 +1,85 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM ntfs3
+
+#if !defined(_TRACE_NTFS3_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_NTFS3_H
+
+#include <linux/fs.h>
+#include <linux/tracepoint.h>
+
+TRACE_EVENT(ntfs3_fill_super,
+ TP_PROTO(struct super_block *sb, bool ro, u32 cluster_size,
+ u32 record_size, u32 index_size, int err),
+ TP_ARGS(sb, ro, cluster_size, record_size, index_size, err),
+ TP_STRUCT__entry(
+ __field(dev_t, dev)
+ __field(bool, ro)
+ __field(u32, cluster_size)
+ __field(u32, record_size)
+ __field(u32, index_size)
+ __field(int, err)
+ ),
+ TP_fast_assign(
+ __entry->dev = sb->s_bdev->bd_dev;
+ __entry->ro = ro;
+ __entry->cluster_size = cluster_size;
+ __entry->record_size = record_size;
+ __entry->index_size = index_size;
+ __entry->err = err;
+ ),
+ TP_printk("dev=(%d,%d) ro=%d cluster=%u record=%u index=%u err=%d",
+ MAJOR(__entry->dev), MINOR(__entry->dev), __entry->ro,
+ __entry->cluster_size, __entry->record_size,
+ __entry->index_size, __entry->err)
+);
+
+TRACE_EVENT(ntfs3_init_from_boot,
+ TP_PROTO(struct super_block *sb, u32 media_sector_size,
+ u32 boot_sector_size, bool used_alt_boot, int err),
+ TP_ARGS(sb, media_sector_size, boot_sector_size, used_alt_boot, err),
+ TP_STRUCT__entry(
+ __field(dev_t, dev)
+ __field(u32, media_sector_size)
+ __field(u32, boot_sector_size)
+ __field(bool, used_alt_boot)
+ __field(int, err)
+ ),
+ TP_fast_assign(
+ __entry->dev = sb->s_bdev->bd_dev;
+ __entry->media_sector_size = media_sector_size;
+ __entry->boot_sector_size = boot_sector_size;
+ __entry->used_alt_boot = used_alt_boot;
+ __entry->err = err;
+ ),
+ TP_printk("dev=(%d,%d) media_sector=%u boot_sector=%u alt_boot=%d err=%d",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ __entry->media_sector_size, __entry->boot_sector_size,
+ __entry->used_alt_boot, __entry->err)
+);
+
+TRACE_EVENT(ntfs3_log_replay,
+ TP_PROTO(struct inode *inode, bool initialized, int err),
+ TP_ARGS(inode, initialized, err),
+ TP_STRUCT__entry(
+ __field(dev_t, dev)
+ __field(unsigned long, ino)
+ __field(loff_t, size)
+ __field(bool, initialized)
+ __field(int, err)
+ ),
+ TP_fast_assign(
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->ino = inode->i_ino;
+ __entry->size = i_size_read(inode);
+ __entry->initialized = initialized;
+ __entry->err = err;
+ ),
+ TP_printk("dev=(%d,%d) ino=%lu size=%lld initialized=%d err=%d",
+ MAJOR(__entry->dev), MINOR(__entry->dev), __entry->ino,
+ __entry->size, __entry->initialized, __entry->err)
+);
+
+#endif /* _TRACE_NTFS3_H */
+
+#include <trace/define_trace.h>
--
2.51.0