extern struct req_format RQF_MDS_GETATTR_NAME;
extern struct req_format RQF_MDS_CLOSE;
extern struct req_format RQF_MDS_RELEASE_CLOSE;
-extern struct req_format RQF_MDS_PIN;
-extern struct req_format RQF_MDS_UNPIN;
extern struct req_format RQF_MDS_CONNECT;
extern struct req_format RQF_MDS_DISCONNECT;
extern struct req_format RQF_MDS_GET_INFO;
extern struct req_format RQF_MDS_READPAGE;
extern struct req_format RQF_MDS_WRITEPAGE;
-extern struct req_format RQF_MDS_IS_SUBDIR;
extern struct req_format RQF_MDS_DONE_WRITING;
extern struct req_format RQF_MDS_REINT;
extern struct req_format RQF_MDS_REINT_CREATE;