phys_bb 1307 drivers/nvdimm/btt.c return is_bad_pmem(btt->phys_bb, phys_sector, arena->internal_lbasize); phys_bb 1611 drivers/nvdimm/btt.c btt->phys_bb = &nsio->bb; phys_bb 233 drivers/nvdimm/btt.h struct badblocks *phys_bb;