int mdc_setattr(struct ptlrpc_client *, struct ptlrpc_connection *,
struct inode *, struct iattr *iattr, struct ptlrpc_request **);
int mdc_open(struct ptlrpc_client *, struct ptlrpc_connection *, ino_t ino,
int mdc_setattr(struct ptlrpc_client *, struct ptlrpc_connection *,
struct inode *, struct iattr *iattr, struct ptlrpc_request **);
int mdc_open(struct ptlrpc_client *, struct ptlrpc_connection *, ino_t ino,