SYSTEMS AND METHODS FOR IMPROVING FLASH-ORIENTED FILE SYSTEM GARBAGE COLLECTION

摘要

Techniques for improving flash-oriented file system garbage collection are disclosed. In some embodiments, the techniques may be realized as a method for improving garbage collection of a flash-oriented file system comprising classifying data according to a first data type area of a plurality of data type areas, creating, using a host device subsystem, a log for a physical erase block of the flash memory, creating, using the host device subsystem, the plurality of data type areas for the log, and writing the data to the first data type area of the plurality of data type areas based on the classification of the data.

主权项

1. A method for improving garbage collection of a flash memory file system comprising:
receiving, using a controller of a flash memory device, a request to instantiate a garbage collection subsystem; identifying a plurality of data type areas in a log of a first physical erase block; identifying, using the garbage collection subsystem, a hot data type area of the plurality of data type areas; determining whether one or more factors associated with the hot data type area have been met; and reclaiming space of the hot data type area using the garbage collection subsystem in the event that one or more factors have been met.