// SPDX-License-Identifier: GPL-2.0-or-later /* Error injection handling. * * Copyright (C) 2021 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) */ #include <linux/sysctl.h> #include "internal.h" unsigned int cachefiles_error_injection_state; static struct ctl_table_header *cachefiles_sysctl; static struct ctl_table cachefiles_sysctls[] = { { .procname = "error_injection", .data = &cachefiles_error_injection_state, .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_douintvec, }, }; int __init cachefiles_register_error_injection(void) { cachefiles_sysctl = register_sysctl("cachefiles", cachefiles_sysctls); if (!cachefiles_sysctl) return -ENOMEM; return 0; } void cachefiles_unregister_error_injection(void) { unregister_sysctl_table(cachefiles_sysctl); }