1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
// SPDX-License-Identifier: GPL-2.0
/*
* fs/verity/init.c: fs-verity module initialization and logging
*
* Copyright 2019 Google LLC
*/
#include "fsverity_private.h"
#include <linux/ratelimit.h>
void fsverity_msg(const struct inode *inode, const char *level,
const char *fmt, ...)
{
static DEFINE_RATELIMIT_STATE(rs, DEFAULT_RATELIMIT_INTERVAL,
DEFAULT_RATELIMIT_BURST);
struct va_format vaf;
va_list args;
if (!__ratelimit(&rs))
return;
va_start(args, fmt);
vaf.fmt = fmt;
vaf.va = &args;
if (inode)
printk("%sfs-verity (%s, inode %lu): %pV\n",
level, inode->i_sb->s_id, inode->i_ino, &vaf);
else
printk("%sfs-verity: %pV\n", level, &vaf);
va_end(args);
}
static int __init fsverity_init(void)
{
int err;
fsverity_check_hash_algs();
err = fsverity_init_info_cache();
if (err)
return err;
err = fsverity_init_workqueue();
if (err)
goto err_exit_info_cache;
err = fsverity_init_signature();
if (err)
goto err_exit_workqueue;
pr_debug("Initialized fs-verity\n");
return 0;
err_exit_workqueue:
fsverity_exit_workqueue();
err_exit_info_cache:
fsverity_exit_info_cache();
return err;
}
late_initcall(fsverity_init)
|
