Patent ID: 9449021
Filing Date: 2016-09-20
CPC Classification: G06F

Claim Text:
1. A data storage system for an electronic device comprising: a data storage device, operatively connected to a processor, that comprises a first file system of a first type and a second file system of a second, different type; and a file system controller, the file system controller being used by the processor to control for controlling file system operations, wherein the file system controller is configured to receive requests to write files to the first or second file systems, and to write to the second file system in response to all requests to write files that have at least one predetermined file name property to the first or second file system, the writing to the second file system in response to a request to write a file that has at least one predetermined file name property to the first system comprising writing the file to the first file system, and writing to the second file system the file name and mapping data for identifying a location of the file content in the first file system, wherein the at least one predetermined file name property comprises the property that the file name is longer than a predetermined file name length limit.