asmlinkage long sys_rmdir(const char __user *pathname);
asmlinkage long sys_lookup_dcookie(u64 cookie64, char __user *buf, size_t len);
asmlinkage long sys_quotactl(unsigned int cmd, const char __user *special,
asmlinkage long sys_rmdir(const char __user *pathname);
asmlinkage long sys_lookup_dcookie(u64 cookie64, char __user *buf, size_t len);
asmlinkage long sys_quotactl(unsigned int cmd, const char __user *special,