378 	record->psi = psinfo;  in pstore_record_init()
548 	ret = record->psi->write(record);  in pstore_write_user_compat()
564 int pstore_register(struct pstore_info *psi)  in pstore_register()  argument
566 	if (backend && strcmp(backend, psi->name)) {  in pstore_register()
567 		pr_warn("ignoring unexpected backend '%s'\n", psi->name);  in pstore_register()
572 	if (!psi->flags) {  in pstore_register()
574 			psi->name);  in pstore_register()
579 	if (!psi->read || !psi->write) {  in pstore_register()
581 			psi->name);  in pstore_register()
588 			psinfo->name, psi->name);  in pstore_register()
593 	if (!psi->write_user)  in pstore_register()
594 		psi->write_user = pstore_write_user_compat;  in pstore_register()
595 	psinfo = psi;  in pstore_register()
599 	if (psi->flags & PSTORE_FLAGS_DMESG)  in pstore_register()
604 	if (psi->flags & PSTORE_FLAGS_DMESG) {  in pstore_register()
608 	if (psi->flags & PSTORE_FLAGS_CONSOLE)  in pstore_register()
610 	if (psi->flags & PSTORE_FLAGS_FTRACE)  in pstore_register()
612 	if (psi->flags & PSTORE_FLAGS_PMSG)  in pstore_register()
622 	backend = kstrdup(psi->name, GFP_KERNEL);  in pstore_register()
624 	pr_info("Registered %s as persistent store backend\n", psi->name);  in pstore_register()
631 void pstore_unregister(struct pstore_info *psi)  in pstore_unregister()  argument
634 	if (!psi)  in pstore_unregister()
640 	if (WARN_ON(psi != psinfo)) {  in pstore_unregister()
646 	if (psi->flags & PSTORE_FLAGS_PMSG)  in pstore_unregister()
648 	if (psi->flags & PSTORE_FLAGS_FTRACE)  in pstore_unregister()
650 	if (psi->flags & PSTORE_FLAGS_CONSOLE)  in pstore_unregister()
652 	if (psi->flags & PSTORE_FLAGS_DMESG)  in pstore_unregister()
660 	pstore_put_backend_records(psi);  in pstore_unregister()
732 void pstore_get_backend_records(struct pstore_info *psi,  in pstore_get_backend_records()  argument
738 	if (!psi || !root)  in pstore_get_backend_records()
741 	mutex_lock(&psi->read_mutex);  in pstore_get_backend_records()
742 	if (psi->open && psi->open(psi))  in pstore_get_backend_records()
759 		pstore_record_init(record, psi);  in pstore_get_backend_records()
761 		record->size = psi->read(record);  in pstore_get_backend_records()
779 	if (psi->close)  in pstore_get_backend_records()
780 		psi->close(psi);  in pstore_get_backend_records()
782 	mutex_unlock(&psi->read_mutex);  in pstore_get_backend_records()
786 			failed, psi->name);  in pstore_get_backend_records()
789 			psi->name);  in pstore_get_backend_records()