null_mapped      1357 block/bio.c    	if ((iov_iter_rw(iter) == WRITE && (!map_data || !map_data->null_mapped)) ||
null_mapped      1369 block/bio.c    	if (map_data && map_data->null_mapped)
null_mapped      1793 drivers/scsi/sg.c 		md->null_mapped = hp->dxferp ? 0 : 1;
null_mapped       556 drivers/scsi/st.c 	mdata->null_mapped = 1;
null_mapped       809 include/linux/blkdev.h 	int null_mapped;