1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
#undef TRACE_SYSTEM
#define TRACE_SYSTEM vfs
#include <linux/module.h>
#if !defined(_TRACE_VFS_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_VFS_H
/*
* Tracepoint for dirtying an inode:
*/
TRACE_EVENT(dirty_inode,
TP_PROTO(struct inode *inode, struct task_struct *task),
TP_ARGS(inode, task),
TP_STRUCT__entry(
__array( char, comm, TASK_COMM_LEN )
__field( pid_t, pid )
__array( char, dev, 16 )
__array( char, file, 32 )
),
TP_fast_assign(
if (inode->i_ino || strcmp(inode->i_sb->s_id, "bdev")) {
struct dentry *dentry;
const char *name = "?";
dentry = d_find_alias(inode);
if (dentry) {
spin_lock(&dentry->d_lock);
name = (const char *) dentry->d_name.name;
}
memcpy(__entry->comm, task->comm, TASK_COMM_LEN);
__entry->pid = task->pid;
strlcpy(__entry->file, name, 32);
strlcpy(__entry->dev, inode->i_sb->s_id, 16);
if (dentry) {
spin_unlock(&dentry->d_lock);
dput(dentry);
}
}
),
TP_printk("task=%i (%s) file=%s dev=%s",
__entry->pid, __entry->comm, __entry->file, __entry->dev)
);
#endif /* _TRACE_VFS_H */
/* This part must be outside protection */
#include <trace/define_trace.h>
|
