Alexey Dobriyan | cf9887f | 2008-10-04 14:13:59 +0400 | [diff] [blame] | 1 | #include <linux/fs.h> |
| 2 | #include <linux/init.h> |
| 3 | #include <linux/proc_fs.h> |
| 4 | #include <linux/seq_file.h> |
| 5 | |
| 6 | static int cmdline_proc_show(struct seq_file *m, void *v) |
| 7 | { |
| 8 | seq_printf(m, "%s\n", saved_command_line); |
| 9 | return 0; |
| 10 | } |
| 11 | |
| 12 | static int cmdline_proc_open(struct inode *inode, struct file *file) |
| 13 | { |
| 14 | return single_open(file, cmdline_proc_show, NULL); |
| 15 | } |
| 16 | |
| 17 | static const struct file_operations cmdline_proc_fops = { |
| 18 | .open = cmdline_proc_open, |
| 19 | .read = seq_read, |
| 20 | .llseek = seq_lseek, |
| 21 | .release = single_release, |
| 22 | }; |
| 23 | |
| 24 | static int __init proc_cmdline_init(void) |
| 25 | { |
| 26 | proc_create("cmdline", 0, NULL, &cmdline_proc_fops); |
| 27 | return 0; |
| 28 | } |
| 29 | module_init(proc_cmdline_init); |