#define MAX_SCALE 31 // allocate blocks up to 4GB (arbitrary, could be bigger)
#ifndef NBD32
#define MIN_SCALE 3 // smallest allocated block is 8 bytes
#define MAX_SCALE 31 // allocate blocks up to 4GB (arbitrary, could be bigger)
#ifndef NBD32
#define MIN_SCALE 3 // smallest allocated block is 8 bytes