config NFFS_FILESYSTEM_MAX_AREAS int "Maximum number of areas" depends on FILE_SYSTEM_NFFS range 2 64 default 8 help This defines maximum number of areas located on flash. Each area can be erased without affecting other areas thus the size of area can affect performance of GC where single area has to be rewritten. At least one scratch and one non-scratch area is required. config NFFS_FILESYSTEM_MAX_BLOCK_SIZE int "Maximum block size" depends on FILE_SYSTEM_NFFS range 16 2048 default 2048 help This determines the maximum size of data block written to flash. Writes larger than this size are split into multiple write operations.