static struct dentry_operations proc_sys_dentry_operations;
static const struct file_operations proc_sys_file_operations;
static struct dentry_operations proc_sys_dentry_operations;
static const struct file_operations proc_sys_file_operations;
table = do_proc_sys_lookup(dentry->d_parent, &dentry->d_name, &head);
/* If the entry does not exist deny permission */
table = do_proc_sys_lookup(dentry->d_parent, &dentry->d_name, &head);
/* If the entry does not exist deny permission */
.lookup = proc_sys_lookup,
.permission = proc_sys_permission,
.setattr = proc_sys_setattr,
.lookup = proc_sys_lookup,
.permission = proc_sys_permission,
.setattr = proc_sys_setattr,