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Mount-time unmapping of unused logical addresses in non-volatile memory systems
Mount-time unmapping of unused logical addresses in non-volatile memory systems
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机译:非易失性存储系统中未使用的逻辑地址的挂载时间取消映射
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摘要
Systems and methods are provided for unmapping unused logical addresses at mount-time of a file system. An electronic device, which includes a non-volatile memory (“NVM”), may implement a file system that, at mount-time of the NVM, identifies all of the logical addresses associated with the NVM that are unallocated. The file system may then pass this information on to a NVM manager, such as in one or more unmap requests. This can ensure that the NVM manager does not maintain data associated with a logical address that is no longer needed by the file system.
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