fs: move get_empty_filp() deffinition to internal.h

All users outside of fs/ of get_empty_filp() have been removed.  This patch
moves the definition from the include/ directory to internal.h so no new
users crop up and removes the EXPORT_SYMBOL.  I'd love to see open intents
stop using it too, but that's a problem for another day and a smarter
developer!
Signed-off-by: Eric Paris <eparis@redhat.com>
Acked-by: Miklos Szeredi <miklos@szeredi.hu>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

fs/file_table.c

@@ -24,6 +24,8 @@
 
 #include <asm/atomic.h>
 
+#include "internal.h"
+
 /* sysctl tunables... */
 struct files_stat_struct files_stat = {
 	.max_files = NR_FILE

fs/internal.h

@@ -79,6 +79,7 @@ extern void chroot_fs_refs(struct path *, struct path *);
  * file_table.c
  */
 extern void mark_files_ro(struct super_block *);
+extern struct file *get_empty_filp(void);
 
 /*
  * super.c

fs/namei.c

@@ -35,6 +35,8 @@
 #include <linux/fs_struct.h>
 #include <asm/uaccess.h>
 
+#include "internal.h"
+
 #define ACC_MODE(x) ("\000\004\002\006"[(x)&O_ACCMODE])
 
 /* [Feb-1997 T. Schoebel-Theuer]

fs/open.c

@@ -31,6 +31,8 @@
 #include <linux/falloc.h>
 #include <linux/fs_struct.h>
 
+#include "internal.h"
+
 int vfs_statfs(struct dentry *dentry, struct kstatfs *buf)
 {
 	int retval = -ENODEV;

include/linux/fs.h

@@ -2189,7 +2189,6 @@ static inline void insert_inode_hash(struct inode *inode) {
 	__insert_inode_hash(inode, inode->i_ino);
 }
 
-extern struct file * get_empty_filp(void);
 extern void file_move(struct file *f, struct list_head *list);
 extern void file_kill(struct file *f);
 #ifdef CONFIG_BLOCK