thp: avoid dumping huge zero page
[linux-2.6/libata-dev.git] / lib / notifier-error-inject.h
blob99b3b6fc470b646bd1740f1f0b05c358d7176de3
1 #include <linux/atomic.h>
2 #include <linux/debugfs.h>
3 #include <linux/notifier.h>
5 struct notifier_err_inject_action {
6 unsigned long val;
7 int error;
8 const char *name;
9 };
11 #define NOTIFIER_ERR_INJECT_ACTION(action) \
12 .name = #action, .val = (action),
14 struct notifier_err_inject {
15 struct notifier_block nb;
16 struct notifier_err_inject_action actions[];
17 /* The last slot must be terminated with zero sentinel */
20 extern struct dentry *notifier_err_inject_dir;
22 extern struct dentry *notifier_err_inject_init(const char *name,
23 struct dentry *parent, struct notifier_err_inject *err_inject,
24 int priority);