376 	record->psi = psinfo;  in pstore_record_init()
546 	ret = record->psi->write(record);  in pstore_write_user_compat()
562 int pstore_register(struct pstore_info *psi)  in pstore_register()  argument
564 	if (backend && strcmp(backend, psi->name)) {  in pstore_register()
565 		pr_warn("ignoring unexpected backend '%s'\n", psi->name);  in pstore_register()
570 	if (!psi->flags) {  in pstore_register()
572 			psi->name);  in pstore_register()
577 	if (!psi->read || !psi->write) {  in pstore_register()
579 			psi->name);  in pstore_register()
586 			psinfo->name, psi->name);  in pstore_register()
591 	if (!psi->write_user)  in pstore_register()
592 		psi->write_user = pstore_write_user_compat;  in pstore_register()
593 	psinfo = psi;  in pstore_register()
597 	if (psi->flags & PSTORE_FLAGS_DMESG)  in pstore_register()
602 	if (psi->flags & PSTORE_FLAGS_DMESG) {  in pstore_register()
606 	if (psi->flags & PSTORE_FLAGS_CONSOLE)  in pstore_register()
608 	if (psi->flags & PSTORE_FLAGS_FTRACE)  in pstore_register()
610 	if (psi->flags & PSTORE_FLAGS_PMSG)  in pstore_register()
620 	backend = kstrdup(psi->name, GFP_KERNEL);  in pstore_register()
622 	pr_info("Registered %s as persistent store backend\n", psi->name);  in pstore_register()
629 void pstore_unregister(struct pstore_info *psi)  in pstore_unregister()  argument
632 	if (!psi)  in pstore_unregister()
638 	if (WARN_ON(psi != psinfo)) {  in pstore_unregister()
644 	if (psi->flags & PSTORE_FLAGS_PMSG)  in pstore_unregister()
646 	if (psi->flags & PSTORE_FLAGS_FTRACE)  in pstore_unregister()
648 	if (psi->flags & PSTORE_FLAGS_CONSOLE)  in pstore_unregister()
650 	if (psi->flags & PSTORE_FLAGS_DMESG)  in pstore_unregister()
658 	pstore_put_backend_records(psi);  in pstore_unregister()
730 void pstore_get_backend_records(struct pstore_info *psi,  in pstore_get_backend_records()  argument
736 	if (!psi || !root)  in pstore_get_backend_records()
739 	mutex_lock(&psi->read_mutex);  in pstore_get_backend_records()
740 	if (psi->open && psi->open(psi))  in pstore_get_backend_records()
757 		pstore_record_init(record, psi);  in pstore_get_backend_records()
759 		record->size = psi->read(record);  in pstore_get_backend_records()
778 	if (psi->close)  in pstore_get_backend_records()
779 		psi->close(psi);  in pstore_get_backend_records()
781 	mutex_unlock(&psi->read_mutex);  in pstore_get_backend_records()
785 			failed, psi->name);  in pstore_get_backend_records()
788 			psi->name);  in pstore_get_backend_records()