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US 8,572,310 B2Granted
Invalidating storage area of non-volatile storage medium based on metadata
AssigneeSamsung Electronics Co., Ltd.
InventorsSang-Jin Oh, Chanik Park
Life of this patent
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Abstract
In one aspect, meta data corresponding to a non-volatile storage media is read from the non-volatile storage media. Meta data to be updated is detected from the read meta data. Based on the read meta data and the detected meta data to be updated, storage areas of the non-volatile storage media are invalidated.
Claims20
A method of operating a memory system including a non-volatile storage media, the method comprising:
- reading meta data corresponding to the non-volatile storage media from the non-volatile storage media;
- detecting meta data to be updated from the read meta data;
- and
- invalidating storage areas of the non-volatile storage media based on the read meta data and the detected meta data to be updated.
1 more element
A memory system comprising:
- a non-volatile storage media;
- and
- a controller configured to control the non-volatile storage media,
- wherein the controller is configured to read meta data corresponding to the non-volatile storage media from the non-volatile storage media, and to invalidate storage areas of the non-volatile storage media based on the read meta data and addresses received from a source external to the memory system.
1 more element
A computing system comprising:
- a non-volatile storage media configured to store meta data;
- a controller configured to control the non-volatile storage media;
- and
- a processor configured to read the meta data stored in the non-volatile storage media and to access the non-volatile storage media based on the read meta data,
- wherein the controller is further configured to read the meta data stored in the non-volatile storage media and to invalidate storage areas of the non-volatile storage media based on the read meta data, while inhibiting invalidation of second storage areas for which a specific time period has not yet passed since the processor last accessed the second storage areas.
2 more elements
Dependencies are inferred from the claim text.