int mdt_hsm_progress(struct mdt_thread_info *info);
int mdt_hsm_ct_register(struct mdt_thread_info *info);
int mdt_hsm_ct_unregister(struct mdt_thread_info *info);
+int mdt_hsm_request(struct mdt_thread_info *info);
extern struct lu_context_key mdt_thread_key;
/* debug issues helper starts here*/