| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | #include <linux/atomic.h> |
| 3 | #include <linux/debugfs.h> |
| 4 | #include <linux/notifier.h> |
| 5 | |
| 6 | struct notifier_err_inject_action { |
| 7 | unsigned long val; |
| 8 | int error; |
| 9 | const char *name; |
| 10 | }; |
| 11 | |
| 12 | #define NOTIFIER_ERR_INJECT_ACTION(action) \ |
| 13 | .name = #action, .val = (action), |
| 14 | |
| 15 | struct notifier_err_inject { |
| 16 | struct notifier_block nb; |
| 17 | struct notifier_err_inject_action actions[]; |
| 18 | /* The last slot must be terminated with zero sentinel */ |
| 19 | }; |
| 20 | |
| 21 | extern struct dentry *notifier_err_inject_dir; |
| 22 | |
| 23 | extern struct dentry *notifier_err_inject_init(const char *name, |
| 24 | struct dentry *parent, struct notifier_err_inject *err_inject, |
| 25 | int priority); |