1 files changed, 24 insertions, 0 deletions

diff --git a/lib/notifier-error-inject.h b/lib/notifier-error-inject.h
new file mode 100644
index 000000000000..99b3b6fc470b
--- /dev/null
+++ b/lib/notifier-error-inject.h
@@ -0,0 +1,24 @@
+#include <linux/atomic.h>
+#include <linux/debugfs.h>
+#include <linux/notifier.h>
+
+struct notifier_err_inject_action {
+        unsigned long val;
+        int error;
+        const char *name;
+};
+
+#define NOTIFIER_ERR_INJECT_ACTION(action)      \
+        .name = #action, .val = (action),
+
+struct notifier_err_inject {
+        struct notifier_block nb;
+        struct notifier_err_inject_action actions[];
+        /* The last slot must be terminated with zero sentinel */
+};
+
+extern struct dentry *notifier_err_inject_dir;
+
+extern struct dentry *notifier_err_inject_init(const char *name,
+                struct dentry *parent, struct notifier_err_inject *err_inject,
+                int priority);