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// 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;
pr_debug("Initialized fs-verity\n");
return 0;
err_exit_info_cache:
fsverity_exit_info_cache();
return err;
}
late_initcall(fsverity_init)
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