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
| #include <linux/fs.h>
| #include <linux/init.h>
| #include <linux/proc_fs.h>
| #include <linux/seq_file.h>
|
| static int cmdline_proc_show(struct seq_file *m, void *v)
| {
| seq_printf(m, "%s\n", saved_command_line);
| return 0;
| }
|
| static int cmdline_proc_open(struct inode *inode, struct file *file)
| {
| return single_open(file, cmdline_proc_show, NULL);
| }
|
| static const struct file_operations cmdline_proc_fops = {
| .open = cmdline_proc_open,
| .read = seq_read,
| .llseek = seq_lseek,
| .release = single_release,
| };
|
| static int __init proc_cmdline_init(void)
| {
| proc_create("cmdline", 0, NULL, &cmdline_proc_fops);
| return 0;
| }
| fs_initcall(proc_cmdline_init);
|
|
