BPB                72 kernel/fs.c      for(b = 0; b < sb.size; b += BPB){
BPB                74 kernel/fs.c        for(bi = 0; bi < BPB && b + bi < sb.size; bi++){
BPB                98 kernel/fs.c      bi = b % BPB;
BPB                51 kernel/fs.h    #define BBLOCK(b, sb) ((b)/BPB + sb.bmapstart)
BPB                23 mkfs/mkfs.c    int nbitmap = FSSIZE/BPB + 1;
BPB               243 mkfs/mkfs.c      assert(used < BPB);