344 	record->psi = psinfo;  in pstore_record_init()
521 	ret = record->psi->write(record);  in pstore_write_user_compat()
537 int pstore_register(struct pstore_info *psi)  in pstore_register()  argument
539 	struct module *owner = psi->owner;  in pstore_register()
541 	if (backend && strcmp(backend, psi->name)) {  in pstore_register()
542 		pr_warn("ignoring unexpected backend '%s'\n", psi->name);  in pstore_register()
547 	if (!psi->flags) {  in pstore_register()
549 			psi->name);  in pstore_register()
554 	if (!psi->read || !psi->write) {  in pstore_register()
556 			psi->name);  in pstore_register()
563 			psinfo->name, psi->name);  in pstore_register()
568 	if (!psi->write_user)  in pstore_register()
569 		psi->write_user = pstore_write_user_compat;  in pstore_register()
570 	psinfo = psi;  in pstore_register()
584 	if (psi->flags & PSTORE_FLAGS_DMESG)  in pstore_register()
586 	if (psi->flags & PSTORE_FLAGS_CONSOLE)  in pstore_register()
588 	if (psi->flags & PSTORE_FLAGS_FTRACE)  in pstore_register()
590 	if (psi->flags & PSTORE_FLAGS_PMSG)  in pstore_register()
604 	backend = psi->name;  in pstore_register()
606 	pr_info("Registered %s as persistent store backend\n", psi->name);  in pstore_register()
614 void pstore_unregister(struct pstore_info *psi)  in pstore_unregister()  argument
621 	if (psi->flags & PSTORE_FLAGS_PMSG)  in pstore_unregister()
623 	if (psi->flags & PSTORE_FLAGS_FTRACE)  in pstore_unregister()
625 	if (psi->flags & PSTORE_FLAGS_CONSOLE)  in pstore_unregister()
627 	if (psi->flags & PSTORE_FLAGS_DMESG)  in pstore_unregister()
690 void pstore_get_backend_records(struct pstore_info *psi,  in pstore_get_backend_records()  argument
696 	if (!psi || !root)  in pstore_get_backend_records()
699 	mutex_lock(&psi->read_mutex);  in pstore_get_backend_records()
700 	if (psi->open && psi->open(psi))  in pstore_get_backend_records()
717 		pstore_record_init(record, psi);  in pstore_get_backend_records()
719 		record->size = psi->read(record);  in pstore_get_backend_records()
737 	if (psi->close)  in pstore_get_backend_records()
738 		psi->close(psi);  in pstore_get_backend_records()
740 	mutex_unlock(&psi->read_mutex);  in pstore_get_backend_records()
744 			failed, psi->name);  in pstore_get_backend_records()
747 			psi->name);  in pstore_get_backend_records()