The Virtual File system Switch (VFS) provides the path to exofs, where exofs communicates with the object storage system through a local OSD initiator.
VirtualFile SystemSwitch (vfs)为exofs提供一条途径，在其中，exofs通过一个本地osd启动器与对象存储系统通信。
There are several modules both used in video recorder and video player, such as: hard disk driver module, file system module and OSD module.
硬盘节目录制与硬盘节目回放功能中存在功能相同的模块，例如：硬盘驱动模块、文件系统模块、OSD菜单显示模块等。
There are two ways to acess OSD. One is through the API provided by OSD device driver, another way is through the object file system.
访问OSD设备的途径，可以直接通过OSD设备驱动程序提供的API访问存储设备和通过对象文件系统进行访问。
There are two ways to acess OSD. One is through the API provided by OSD device driver, another way is through the object file system.
访问OSD设备的途径，可以直接通过OSD设备驱动程序提供的API访问存储设备和通过对象文件系统进行访问。
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