Symbol: BM_BLOCKS_PER_BM_EXT_MASK
drivers/block/drbd/drbd_actlog.c
789
unsigned long tbnr = min(ebnr, sbnr | BM_BLOCKS_PER_BM_EXT_MASK);
drivers/block/drbd/drbd_worker.c
691
if (((bit+1) & BM_BLOCKS_PER_BM_EXT_MASK) == 0)