Method of handling host write commands requesting to write dummy pattern on flash memory and related memory controller and storage system
US12061792B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 16, 2023 |
| Grant date | Aug 13, 2024 |
| Priority date | — |
| Expiry date | Mar 16, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2212/7206
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method for use in a flash memory to handle host write commands includes: performing a dummy pattern detection while programing data into a specific section of a first block or a first super block of the flash memory; setting a dummy pattern indicator if all the data that is programmed to the specific section of the first block or the first super block of the flash memory corresponds to a predetermined dummy pattern; and in response to host write commands, modifying a host-to-flash (H2F) address mapping table regarding data that is requested by the host write commands to be programmed to a second block or a second super block of the flash memory without programming the data into the second super block or the second block to complete the host write commands if the dummy pattern indicator is set.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.