projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 671e67b4 EB |
1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | /* | |
| 7bf765dd | 3 | * fs-verity module initialization and logging |
| 671e67b4 EB |
4 | * |
| 5 | * Copyright 2019 Google LLC | |
| 6 | */ | |
| 7 | ||
| 8 | #include "fsverity_private.h" | |
| 9 | ||
| 10 | #include <linux/ratelimit.h> | |
| 11 | ||
| 12 | void fsverity_msg(const struct inode *inode, const char *level, | |
| 13 | const char *fmt, ...) | |
| 14 | { | |
| 15 | static DEFINE_RATELIMIT_STATE(rs, DEFAULT_RATELIMIT_INTERVAL, | |
| 16 | DEFAULT_RATELIMIT_BURST); | |
| 17 | struct va_format vaf; | |
| 18 | va_list args; | |
| 19 | ||
| 20 | if (!__ratelimit(&rs)) | |
| 21 | return; | |
| 22 | ||
| 23 | va_start(args, fmt); | |
| 24 | vaf.fmt = fmt; | |
| 25 | vaf.va = &args; | |
| 26 | if (inode) | |
| 27 | printk("%sfs-verity (%s, inode %lu): %pV\n", | |
| 28 | level, inode->i_sb->s_id, inode->i_ino, &vaf); | |
| 29 | else | |
| 30 | printk("%sfs-verity: %pV\n", level, &vaf); | |
| 31 | va_end(args); | |
| 32 | } | |
| 33 | ||
| 34 | static int __init fsverity_init(void) | |
| 35 | { | |
| fd2d1acf EB |
36 | int err; |
| 37 | ||
| 671e67b4 EB |
38 | fsverity_check_hash_algs(); |
| 39 | ||
| fd2d1acf EB |
40 | err = fsverity_init_info_cache(); |
| 41 | if (err) | |
| 42 | return err; | |
| 43 | ||
| 8a1d0f9c EB |
44 | err = fsverity_init_workqueue(); |
| 45 | if (err) | |
| 46 | goto err_exit_info_cache; | |
| 47 | ||
| 432434c9 EB |
48 | err = fsverity_init_signature(); |
| 49 | if (err) | |
| 50 | goto err_exit_workqueue; | |
| 51 | ||
| 671e67b4 | 52 | return 0; |
| 8a1d0f9c | 53 | |
| 432434c9 EB |
54 | err_exit_workqueue: |
| 55 | fsverity_exit_workqueue(); | |
| 8a1d0f9c EB |
56 | err_exit_info_cache: |
| 57 | fsverity_exit_info_cache(); | |
| 58 | return err; | |
| 671e67b4 EB |
59 | } |
| 60 | late_initcall(fsverity_init) |