Write a filesystem that saves all data blocks to disk, but: - if the data block id is a multiple of 3, replace its contents with 0x03 - if the data block id i

Write a filesystem that saves all data blocks to disk, but: - if the data block id is a multiple of 3, replace its contents with 0x03 - if the data block id is a multiple of 5, replace its contents with 0x05 - if the data block id is a multiple of both 3 and 5, replace its contents with 0x15