Patent ID: 11921639
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 12:
13. A storage system comprising:
a storage device configured to store files; and
a host device including a cache, the host device configured to
reallocate a logical address of a predetermined logical address region of a first logical address to physical address (L2P) table in the cache to a first file in the storage device, when the first file changes to a first predetermined type of file,
update the first L2P table corresponding to the predetermined logical address region in the cache to provide an updated first L2P table,
reallocate a logical address outside of the predetermined logical address region of the first L2P table in the cache to the first file, when the first file changes to a second predetermined type of file, and
update the first L2P table corresponding to the predetermined logical address region in the cache responsive to reallocation of the logical address outside of the predetermined logical address region when the first file changes to the second rad type of file,
wherein the updated first L2P table includes a mapping relationship between the logical address reallocated for the first file and a physical address of the first file, and
wherein the host device further comprises a file system configured to set a state bitmap of an original logical address of the first file to a dirty state.