// 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 const 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);
}