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Linux上的裸设备 | Chan Revival Sky #7

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chanrevival opened this issue Nov 20, 2024 · 0 comments
Open

Linux上的裸设备 | Chan Revival Sky #7

chanrevival opened this issue Nov 20, 2024 · 0 comments

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@chanrevival
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https://chanrevival.github.io/2024/11/19/Linux%E4%B8%8A%E7%9A%84%E8%A3%B8%E8%AE%BE%E5%A4%87/#more

Linux 上的裸设备什么是裸设备?裸设备,也称为裸分区,是一个未被挂载且不由Linux文件系统(如ext2/ext3、reiserfs)或Oracle集群文件系统(OCFS、OCFS2)写入的磁盘分区,而是通过字符设备驱动程序直接访问。应用程序负责组织数据如何写入磁盘分区的细节。 如何识别裸设备?所有硬件设备看起来都像是常规文件;它们可以使用与操作文件相同的、标准的系统调用来打开、关闭

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