CacheFiles: Export things for CacheFiles

Export a number of functions for CacheFiles's use.

Signed-off-by: David Howells <[e-mail]>
Acked-by: Steve Dickson <[e-mail]>
Acked-by: Trond Myklebust <[e-mail]>
Acked-by: Rik van Riel <[e-mail]>
Acked-by: Al Viro <[e-mail]>
Tested-by: Daire Byrne <[e-mail]>

fs/super.c

···
 	__fsync_super(sb);
 	return sync_blockdev(sb->s_bdev);
 }
+EXPORT_SYMBOL_GPL(fsync_super);
 
 /**
  *	generic_shutdown_super	-	common helper for ->kill_sb()

security/security.c

···
 		return 0;
 	return security_ops->inode_create(dir, dentry, mode);
 }
+EXPORT_SYMBOL_GPL(security_inode_create);
 
 int security_inode_link(struct dentry *old_dentry, struct inode *dir,
 			 struct dentry *new_dentry)
···
 		return 0;
 	return security_ops->inode_mkdir(dir, dentry, mode);
 }
+EXPORT_SYMBOL_GPL(security_inode_mkdir);
 
 int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
 {