| 1 | |
| 2 | |
| 3 | *
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| 4 | * Copyright (C) 2021 Red Hat, Inc. All Rights Reserved.
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| 5 | * Written by David Howells ([email protected])
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| 6 |
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| 7 |
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| 8 | #include <linux/sysctl.h>
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| 9 | #include "internal.h"
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| 10 |
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| 11 | unsigned int cachefiles_error_injection_state;
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| 12 |
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| 13 | static struct ctl_table_header *cachefiles_sysctl;
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| 14 | static const struct ctl_table cachefiles_sysctls[] = {
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| 15 | {
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| 16 | .procname = "error_injection",
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| 17 | .data = &cachefiles_error_injection_state,
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| 18 | .maxlen = sizeof(unsigned int),
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| 19 | .mode = 0644,
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| 20 | .proc_handler = proc_douintvec,
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| 21 | },
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| 22 | };
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| 23 |
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| 24 | int __init cachefiles_register_error_injection(void)
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| 25 | {
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| 26 | cachefiles_sysctl = register_sysctl("cachefiles", cachefiles_sysctls);
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| 27 | if (!cachefiles_sysctl)
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| 28 | return -ENOMEM;
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| 29 | return 0;
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| 30 |
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| 31 | }
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| 32 |
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| 33 | void cachefiles_unregister_error_injection(void)
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| 34 | {
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| 35 | unregister_sysctl_table(cachefiles_sysctl);
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| 36 | }
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