From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- fs/cachefiles/error_inject.c | 46 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 fs/cachefiles/error_inject.c (limited to 'fs/cachefiles/error_inject.c') diff --git a/fs/cachefiles/error_inject.c b/fs/cachefiles/error_inject.c new file mode 100644 index 000000000..58f8aec96 --- /dev/null +++ b/fs/cachefiles/error_inject.c @@ -0,0 +1,46 @@ +// 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 +#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, + }, + {} +}; + +static struct ctl_table cachefiles_sysctls_root[] = { + { + .procname = "cachefiles", + .mode = 0555, + .child = cachefiles_sysctls, + }, + {} +}; + +int __init cachefiles_register_error_injection(void) +{ + cachefiles_sysctl = register_sysctl_table(cachefiles_sysctls_root); + if (!cachefiles_sysctl) + return -ENOMEM; + return 0; + +} + +void cachefiles_unregister_error_injection(void) +{ + unregister_sysctl_table(cachefiles_sysctl); +} -- cgit v1.2.3