fuse: add members to struct fuse_file

Add new members ->fc and ->nodeid to struct fuse_file.  This will aid
in converting functions for use by CUSE, where the inode is not owned
by a fuse filesystem.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index b83d7d8..3be0301 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -54,6 +54,7 @@
 	if (unlikely(!ff))
 		return NULL;
 
+	ff->fc = fc;
 	ff->reserved_req = fuse_request_alloc();
 	if (unlikely(!ff->reserved_req)) {
 		kfree(ff);
@@ -111,6 +112,7 @@
 	if (outarg->open_flags & FOPEN_NONSEEKABLE)
 		nonseekable_open(inode, file);
 	ff->fh = outarg->fh;
+	ff->nodeid = get_node_id(inode);
 	file->private_data = fuse_file_get(ff);
 }