MAPBLOCKOFF
hnb = MAPBLOCKSIZE - (mof & MAPBLOCKOFF);
hnb = MAPBLOCKSIZE - (mof & MAPBLOCKOFF);
hnb = MAPBLOCKSIZE - (mof & MAPBLOCKOFF);
hnb = MAPBLOCKSIZE - (mof & MAPBLOCKOFF);
hnb = MAPBLOCKSIZE - (mof & MAPBLOCKOFF);
hnb = MAPBLOCKSIZE - (mof & MAPBLOCKOFF);
hnb = MAPBLOCKSIZE - (mof & MAPBLOCKOFF);
hnb = MAPBLOCKSIZE - (mof & MAPBLOCKOFF);
ASSERT((mof & MAPBLOCKOFF) == 0);
start_sec = (mof & MAPBLOCKOFF) >> DEV_BSHIFT;
hnb = MAPBLOCKSIZE - (hmof & MAPBLOCKOFF);
#define MAPBLOCKMASK (~MAPBLOCKOFF)