the-tree/lib/notifier-error-inject.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 #include <linux/atomic.h>
0003 #include <linux/debugfs.h>
0004 #include <linux/notifier.h>
0005
0006 struct notifier_err_inject_action {
0007     unsigned long val;
0008     int error;
0009     const char *name;
0010 };
0011
0012 #define NOTIFIER_ERR_INJECT_ACTION(action)  \
0013     .name = #action, .val = (action),
0014
0015 struct notifier_err_inject {
0016     struct notifier_block nb;
0017     struct notifier_err_inject_action actions[];
0018     /* The last slot must be terminated with zero sentinel */
0019 };
0020
0021 extern struct dentry *notifier_err_inject_dir;
0022
0023 extern struct dentry *notifier_err_inject_init(const char *name,
0024         struct dentry *parent, struct notifier_err_inject *err_inject,
0025         int priority);