SOLID STATE DISK AND METHOD FOR IMPLEMENTING TRIM COMMAND OF THE SAME
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United States of America Patent
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Issued Date -
Jun 8, 2017
app pub date -
Aug 26, 2016
filing date -
Dec 3, 2015
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Abstract
A solid state drive (SSD) and a method for implementing trim commands of the SSD are provided. The SSD notifies a host that the implementing of the trim commands have been completed when the SSD just modifies deletion flags of lookup table entries based on the received trim commands. Accordingly, the duration for responding to the host is shortened. The SSD implements the trim commands, in the background, on the logical addresses where are marked by the deletion flags, such that the performance of the SSD is improved.
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