security_kernel_post_read_file
ret = security_kernel_post_read_file(file, *buf, i_size, id);
int security_kernel_post_read_file(struct file *file, char *buf, loff_t size,
err = security_kernel_post_read_file(f, (char *)info.hdr, info.len,
EXPORT_SYMBOL_GPL(security_kernel_post_read_file);