github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-11-06 21:58:01 +01:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

ntfs3: add file I/O tracepoints

Browse Source 
Add ntfs3 tracepoints for file I/O operations.

This adds trace events for ntfs_file_read_iter() and
ntfs_file_write_iter() to help observe file read and
write activity.

Signed-off-by: Baolin Liu <liubaolin@kylinos.cn>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
This commit is contained in:
Baolin Liu 2026-08-20 17:05:04 +08:00 committed by Konstantin Komarov
parent 7f7141354b
commit ee1cb3443c
No known key found for this signature in database
GPG Key ID: A9B0331F832407B6
2 changed files with 38 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
fs/ntfs3/file.c
View File

@ -20,6 +20,7 @@
#include "debug.h"
#include "ntfs.h"
#include "ntfs_fs.h"
#include <trace/events/ntfs3.h>
/*
* cifx, btrfs, exfat, ext4, f2fs use this constant.
@ -827,6 +828,8 @@ static ssize_t ntfs_file_read_iter(struct kiocb *iocb, struct iov_iter *iter)
unsigned int dio_flags;
ssize_t ret;
trace_ntfs3_file_read_iter(iocb, iter);
ret = check_read_restriction(inode);
if (ret)
return ret;
@ -1247,6 +1250,8 @@ static ssize_t ntfs_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
loff_t vbo, endbyte;
ssize_t ret, err;
trace_ntfs3_file_write_iter(iocb, from);
if (!inode_trylock(inode)) {
if (iocb->ki_flags & IOCB_NOWAIT)
return -EAGAIN;

33
include/trace/events/ntfs3.h
View File

@ -351,6 +351,39 @@ TRACE_EVENT(ntfs3_iomap_end,
__entry->written, __entry->flags)
);
DECLARE_EVENT_CLASS(ntfs3_file_class,
TP_PROTO(struct kiocb *iocb, struct iov_iter *iter),
TP_ARGS(iocb, iter),
TP_STRUCT__entry(
__field(loff_t, size)
__field(loff_t, offset)
__field(size_t, count)
__field(unsigned long, ino)
__field(dev_t, dev)
),
TP_fast_assign(
__entry->size = i_size_read(file_inode(iocb->ki_filp));
__entry->offset = iocb->ki_pos;
__entry->count = iov_iter_count(iter);
__entry->ino = file_inode(iocb->ki_filp)->i_ino;
__entry->dev = file_inode(iocb->ki_filp)->i_sb->s_dev;
),
TP_printk("dev=(%d,%d) ino=%lu size=%lld pos=%lld bytecount=%zu",
MAJOR(__entry->dev), MINOR(__entry->dev),
__entry->ino, __entry->size, __entry->offset,
__entry->count)
);
DEFINE_EVENT(ntfs3_file_class, ntfs3_file_read_iter,
TP_PROTO(struct kiocb *iocb, struct iov_iter *iter),
TP_ARGS(iocb, iter)
);
DEFINE_EVENT(ntfs3_file_class, ntfs3_file_write_iter,
TP_PROTO(struct kiocb *iocb, struct iov_iter *iter),
TP_ARGS(iocb, iter)
);
#endif /* _TRACE_NTFS3_H */
#include <trace/define_trace.h>