static int proc_root_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat
)
{
generic_fillattr(dentry->d_inode, stat);
stat->nlink = proc_root.nlink + nr_processes();
return 0;
}
int proc_fill_super(struct super_block *s, void *data, int silent)
{
struct inode * root_inode;
s->s_flags |= MS_NODIRATIME;
s->s_blocksize = 1024;
s->s_blocksize_bits = 10;
s->s_magic = PROC_SUPER_MAGIC;
s->s_op = &proc_sops;
s->s_time_gran = 1;
root_inode = proc_get_inode(s, PROC_ROOT_INO, &proc_root);
if (!root_inode)
goto out_no_root;
/*
* Fixup the root inode's nlink value
*/
root_inode->i_nlink += nr_processes();
root_inode->i_uid = 0;
root_inode->i_gid = 0;
s->s_root = d_alloc_root(root_inode);
if (!s->s_root)
goto out_no_root;
return 0;
out_no_root:
printk("proc_read_super: get root inode failed\n");
iput(root_inode);
return -ENOMEM;
}
/*
* Prints the number of processes to the kernel log.
*/
int print_nr_procs(void)
{
unsigned int procs;
procs = 0;
procs = nr_processes();
printk(KERN_INFO "There are currently %d processes running.\n", procs);
return 0;
}
static int proc_root_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat
)
{
struct ve_struct *ve = get_exec_env();
generic_fillattr(dentry->d_inode, stat);
stat->nlink = glob_proc_root.nlink;
if (ve_is_super(ve))
stat->nlink += nr_processes();
#ifdef CONFIG_VE
else
/* thread count. not really processes count */
stat->nlink += ve->pcounter;
/* the same logic as in the proc_getattr */
stat->nlink += ve->proc_root->nlink - 2;
#endif
return 0;
}