| 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); |