US 12,333,177 B2
Identification and retrieval of recently-used files at an external storage device
Rohith Radhakrishnan, Bayan Lepas (MY); and Alvin Gomez, Sengkang (SG)
Assigned to Sandisk Technologies, Inc., Milpitas, CA (US)
Filed by Sandisk Technologies, Inc., Milpitas, CA (US)
Filed on Jul. 28, 2023, as Appl. No. 18/361,537.
Claims priority of provisional application 63/443,292, filed on Feb. 3, 2023.
Prior Publication US 2024/0264764 A1, Aug. 8, 2024
Int. Cl. G06F 3/06 (2006.01)
CPC G06F 3/0653 (2013.01) [G06F 3/0607 (2013.01); G06F 3/064 (2013.01); G06F 3/0679 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A system for file access management, comprising:
a data storage device including:
an interface for operatively coupling with a host device;
a non-volatile memory for storing user data; and
a controller configured to generate ranking information corresponding to the user data stored at the non-volatile memory, wherein the ranking information includes a count of how many times a data block has been accessed from the data storage device and a duration of how long the data block was open during modification of the data block.