kill fs/read_write.h

fs/compat.c doesn't need it anymore, so let's just move the remaining
contents (two typedefs) into fs/read_write.c
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

fs/compat.c

@@ -67,8 +67,6 @@ int compat_printk(const char *fmt, ...)
 	return ret;
 }
 
-#include "read_write.h"
-
 /*
  * Not all architectures have sys_utime, so implement this in terms
  * of sys_utimes.

fs/read_write.c

@@ -16,12 +16,15 @@
 #include <linux/pagemap.h>
 #include <linux/splice.h>
 #include <linux/compat.h>
-#include "read_write.h"
 #include "internal.h"
 
 #include <asm/uaccess.h>
 #include <asm/unistd.h>
 
+typedef ssize_t (*io_fn_t)(struct file *, char __user *, size_t, loff_t *);
+typedef ssize_t (*iov_fn_t)(struct kiocb *, const struct iovec *,
+		unsigned long, loff_t);
+
 const struct file_operations generic_ro_fops = {
 	.llseek		= generic_file_llseek,
 	.read		= do_sync_read,

fs/read_write.h

-/*
- * This file is only for sharing some helpers from read_write.c with compat.c.
- * Don't use anywhere else.
- */
-
-
-typedef ssize_t (*io_fn_t)(struct file *, char __user *, size_t, loff_t *);
-typedef ssize_t (*iov_fn_t)(struct kiocb *, const struct iovec *,
-		unsigned long, loff_t);