The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 11, 2020
Filed:
May. 17, 2018
Sandisk Technologies Llc, Addison, TX (US);
Neil D. Hutchison, Hudsonville, MI (US);
Steven Theodore Sprouse, San Jose, CA (US);
Shakeel I. Bukhari, San Jose, CA (US);
Sandisk Technologies LLC, Addison, TX (US);
Abstract
Systems, methods and/or devices are used to enable locality grouping during garbage collection of a storage device. In one aspect, the method includes, at a storage controller for the storage device: performing one or more operations for a garbage collection read, including: identifying one or more sequences of valid data in a source unit, wherein each identified sequence of valid data has a length selected from a set of predefined lengths; and for each respective sequence of the one or more sequences of valid data in the source unit, transferring the respective sequence to a respective queue of a plurality of queues, in accordance with the length of the respective sequence; and performing one or more operations for a garbage collection write, including: identifying full respective queues for writing to a destination unit; and writing from the full respective queues to the destination unit.