#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>

#include <linux/sched.h>
#include <linux/nsproxy.h>
#include <linux/mount.h>

MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("create /proc/mymounts file that lists mounts");

struct proc_dir_entry *proc_file;

int list_mounts(struct seq_file *m, void *v);

static int list_mounts_open(struct inode *inode, struct file *file)
{
	return single_open(file, list_mounts, NULL);
}

static const struct proc_ops proc_fops = {
	.proc_open = list_mounts_open,
	.proc_read = seq_read,
	.proc_lseek = seq_lseek,
	.proc_release = single_release,
};

static int __init mounts_init(void) 
{ 
	proc_file = proc_create("mymounts", 0444, 0, &proc_fops);
	if(IS_ERR(proc_file)) return PTR_ERR(proc_file);
	return 0;
} 

static void __exit mounts_exit(void) 
{ 
	proc_remove(proc_file);
} 

module_init(mounts_init); 
module_exit(mounts_exit);