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时长:00:00更新时间:2020-11-09 07:28:20
AccessingaFile(LinuxKernel):Accessing Files Different Ways to Access a File Canonical Mode (O_SYNC and O_DIRECT cleared) Synchronous Mode (O_SYNC flag set) Memory Mapping Mode Direct I/O Mode (O_DIRECT flag set, user space - disk) Asynchronous Mode Reading a file is
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