375 	record->psi = psinfo;  in pstore_record_init()
545 	ret = record->psi->write(record);  in pstore_write_user_compat()
561 int pstore_register(struct pstore_info *psi)  in pstore_register()  argument
563 	if (backend && strcmp(backend, psi->name)) {  in pstore_register()
564 		pr_warn("ignoring unexpected backend '%s'\n", psi->name);  in pstore_register()
569 	if (!psi->flags) {  in pstore_register()
571 			psi->name);  in pstore_register()
576 	if (!psi->read || !psi->write) {  in pstore_register()
578 			psi->name);  in pstore_register()
585 			psinfo->name, psi->name);  in pstore_register()
590 	if (!psi->write_user)  in pstore_register()
591 		psi->write_user = pstore_write_user_compat;  in pstore_register()
592 	psinfo = psi;  in pstore_register()
596 	if (psi->flags & PSTORE_FLAGS_DMESG)  in pstore_register()
601 	if (psi->flags & PSTORE_FLAGS_DMESG) {  in pstore_register()
605 	if (psi->flags & PSTORE_FLAGS_CONSOLE)  in pstore_register()
607 	if (psi->flags & PSTORE_FLAGS_FTRACE)  in pstore_register()
609 	if (psi->flags & PSTORE_FLAGS_PMSG)  in pstore_register()
619 	backend = kstrdup(psi->name, GFP_KERNEL);  in pstore_register()
621 	pr_info("Registered %s as persistent store backend\n", psi->name);  in pstore_register()
628 void pstore_unregister(struct pstore_info *psi)  in pstore_unregister()  argument
631 	if (!psi)  in pstore_unregister()
637 	if (WARN_ON(psi != psinfo)) {  in pstore_unregister()
643 	if (psi->flags & PSTORE_FLAGS_PMSG)  in pstore_unregister()
645 	if (psi->flags & PSTORE_FLAGS_FTRACE)  in pstore_unregister()
647 	if (psi->flags & PSTORE_FLAGS_CONSOLE)  in pstore_unregister()
649 	if (psi->flags & PSTORE_FLAGS_DMESG)  in pstore_unregister()
657 	pstore_put_backend_records(psi);  in pstore_unregister()
729 void pstore_get_backend_records(struct pstore_info *psi,  in pstore_get_backend_records()  argument
735 	if (!psi || !root)  in pstore_get_backend_records()
738 	mutex_lock(&psi->read_mutex);  in pstore_get_backend_records()
739 	if (psi->open && psi->open(psi))  in pstore_get_backend_records()
756 		pstore_record_init(record, psi);  in pstore_get_backend_records()
758 		record->size = psi->read(record);  in pstore_get_backend_records()
776 	if (psi->close)  in pstore_get_backend_records()
777 		psi->close(psi);  in pstore_get_backend_records()
779 	mutex_unlock(&psi->read_mutex);  in pstore_get_backend_records()
783 			failed, psi->name);  in pstore_get_backend_records()
786 			psi->name);  in pstore_get_backend_records()