#ifndef _LINUX_IO_RECORD_H #define _LINUX_IO_RECORD_H enum io_record_cmd_types { IO_RECORD_INIT = 1, IO_RECORD_START = 2, IO_RECORD_STOP = 3, IO_RECORD_POST_PROCESSING = 4, IO_RECORD_POST_PROCESSING_DONE = 5, }; bool start_record(int pid); bool stop_record(void); bool post_processing_records(void); bool init_record(void); bool forced_init_record(void); ssize_t read_record(char __user *buf, size_t count, loff_t *ppos); void record_io_info(struct file *file, pgoff_t offset, unsigned long req_size); #endif /* _LINUX_IO_RECORD_H */