teach SYSCALL_DEFINE<n> how to deal with long long/unsigned long long

... and convert a bunch of SYSCALL_DEFINE ones to SYSCALL_DEFINE<n>,
killing the boilerplate crap around them.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/dcookies.c b/fs/dcookies.c
index 17c7799..f08375b 100644
--- a/fs/dcookies.c
+++ b/fs/dcookies.c
@@ -145,7 +145,7 @@
 /* And here is where the userspace process can look up the cookie value
  * to retrieve the path.
  */
-SYSCALL_DEFINE(lookup_dcookie)(u64 cookie64, char __user * buf, size_t len)
+SYSCALL_DEFINE3(lookup_dcookie, u64, cookie64, char __user *, buf, size_t, len)
 {
 	unsigned long cookie = (unsigned long)cookie64;
 	int err = -EINVAL;
@@ -201,13 +201,6 @@
 	mutex_unlock(&dcookie_mutex);
 	return err;
 }
-#ifdef CONFIG_HAVE_SYSCALL_WRAPPERS
-asmlinkage long SyS_lookup_dcookie(u64 cookie64, long buf, long len)
-{
-	return SYSC_lookup_dcookie(cookie64, (char __user *) buf, (size_t) len);
-}
-SYSCALL_ALIAS(sys_lookup_dcookie, SyS_lookup_dcookie);
-#endif
 
 static int dcookie_init(void)
 {