378 	record->psi = psinfo;  in pstore_record_init()
540 	ret = record->psi->write(record);  in pstore_write_user_compat()
556 int pstore_register(struct pstore_info *psi)  in pstore_register()  argument
558 	struct module *owner = psi->owner;  in pstore_register()
560 	if (backend && strcmp(backend, psi->name)) {  in pstore_register()
561 		pr_warn("ignoring unexpected backend '%s'\n", psi->name);  in pstore_register()
566 	if (!psi->flags) {  in pstore_register()
568 			psi->name);  in pstore_register()
573 	if (!psi->read || !psi->write) {  in pstore_register()
575 			psi->name);  in pstore_register()
582 			psinfo->name, psi->name);  in pstore_register()
587 	if (!psi->write_user)  in pstore_register()
588 		psi->write_user = pstore_write_user_compat;  in pstore_register()
589 	psinfo = psi;  in pstore_register()
599 	if (psi->flags & PSTORE_FLAGS_DMESG)  in pstore_register()
605 	if (psi->flags & PSTORE_FLAGS_DMESG)  in pstore_register()
607 	if (psi->flags & PSTORE_FLAGS_CONSOLE)  in pstore_register()
609 	if (psi->flags & PSTORE_FLAGS_FTRACE)  in pstore_register()
611 	if (psi->flags & PSTORE_FLAGS_PMSG)  in pstore_register()
625 	backend = psi->name;  in pstore_register()
627 	pr_info("Registered %s as persistent store backend\n", psi->name);  in pstore_register()
635 void pstore_unregister(struct pstore_info *psi)  in pstore_unregister()  argument
642 	if (psi->flags & PSTORE_FLAGS_PMSG)  in pstore_unregister()
644 	if (psi->flags & PSTORE_FLAGS_FTRACE)  in pstore_unregister()
646 	if (psi->flags & PSTORE_FLAGS_CONSOLE)  in pstore_unregister()
648 	if (psi->flags & PSTORE_FLAGS_DMESG)  in pstore_unregister()
719 void pstore_get_backend_records(struct pstore_info *psi,  in pstore_get_backend_records()  argument
725 	if (!psi || !root)  in pstore_get_backend_records()
728 	mutex_lock(&psi->read_mutex);  in pstore_get_backend_records()
729 	if (psi->open && psi->open(psi))  in pstore_get_backend_records()
746 		pstore_record_init(record, psi);  in pstore_get_backend_records()
748 		record->size = psi->read(record);  in pstore_get_backend_records()
766 	if (psi->close)  in pstore_get_backend_records()
767 		psi->close(psi);  in pstore_get_backend_records()
769 	mutex_unlock(&psi->read_mutex);  in pstore_get_backend_records()
773 			failed, psi->name);  in pstore_get_backend_records()
776 			psi->name);  in pstore_get_backend_records()