AgBlocksLog
& (INO_MASK(volume->AgBlocksLog()))
#define FSBLOCKS_TO_AGNO(n, volume) ((n) >> volume->AgBlocksLog())
#define FSBLOCKS_TO_AGBLOCKNO(n, volume) ((n) & MASK(volume->AgBlocksLog()))
uint8 AgBlocksLog() const
{ return fSuperBlock.AgBlocksLog(); }
return AgBlocksLog() + InodesPerBlkLog();
uint8 AgBlocksLog() const;