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