3、The aio_fsync() method serves the same purpose as the fsync() method; its purpose is to ensure that all pending data are written to disk.
4、aio_fsync()的目的與fsync()相同:確保所有未決的數據都寫入到磁盤了。
2、As a general rule, device drivers will not need to implement aio_fsync .
1、一般來説,設備驅動程序不需要實現aio_fsync 。