notifier-error-inject.h

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#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);