公开(公告)号：US20200034340A1

公开(公告)日：2020-01-30

申请号：US16483608

申请日：2018-02-06

Applicant: ZTE CORPORATION

Inventor： Jiwu SHU ,  Shengmei LUO ,  Youyou LU ,  Jiacheng ZHANG ,  Hongzhang YANG

IPC: G06F16/18 ,  G06F16/178 ,  G06F16/16 ,  G06F16/17

Abstract: A flash file system and a data management method thereof are provided, the system including: a creation module, configured to divide a flash memory into a file system region and a flash buffer region; a marking module configured to mark written data as dirty data in a memory buffer when the data are written and an amount of the written data is less than or equal to a preset marking threshold; a synchronization module, configured to merge the dirty data in the memory buffer and write the same into the flash buffer region when data synchronization is required, and notify a backfilling module when the flash buffer region is full; and the backfilling module, configured to read the dirty data in the flash buffer region, write the dirty data into the file system region, and erase the flash buffer region.