kill struct opendata

Just pass struct file *.  Methods are happier that way...
There's no need to return struct file * from finish_open() now,
so let it return int.  Next: saner prototypes for parts in
namei.c

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h
index 58d9aca..48bb474 100644
--- a/fs/cifs/cifsfs.h
+++ b/fs/cifs/cifsfs.h
@@ -47,7 +47,7 @@
 extern int cifs_create(struct inode *, struct dentry *, umode_t,
 		       struct nameidata *);
 extern int cifs_atomic_open(struct inode *, struct dentry *,
-			    struct opendata *, unsigned, umode_t,
+			    struct file *, unsigned, umode_t,
 			    int *);
 extern struct dentry *cifs_lookup(struct inode *, struct dentry *,
 				  struct nameidata *);