FILE SYSTEM FOR MAINTAINING DATA VERSIONS IN SOLID STATE MEMORY

摘要

One or more embodiments are directed to managing data in a solid state memory supporting data versioning. A file system reserves a plurality of logical pages from a solid state memory. Each logical page in the plurality of logical pages is associated with a plurality of physical pages in the solid state memory. Each logical page in the plurality of logical pages is assigned to one group in a plurality of groups. A request is sent to a flash translation layer for an operation to be performed by the flash translation layer on a group in the plurality of groups.