函数逻辑报告

函数名称：_check_pages_dirty() will check that all the BIO's pages are still dirty.* If they are, then fine. If, however, some pages are clean then they must* have been written out during the direct-IO read. So we take another ref on

函数原型：static void bio_dirty_fn(struct work_struct *work)

返回类型：void

参数：