tracing_open_file_tr
int tracing_open_file_tr(struct inode *inode, struct file *filp);
.open = tracing_open_file_tr,
.open = tracing_open_file_tr,
ret = tracing_open_file_tr(inode, file);
ret = tracing_open_file_tr(inode, file);
.open = tracing_open_file_tr,