BFAD_MAX_SECTORS
int max_xfer_size = BFAD_MAX_SECTORS >> 1;
if (max_xfer_size > BFAD_MAX_SECTORS >> 1)
max_xfer_size = BFAD_MAX_SECTORS >> 1;
if (max_xfer_size != BFAD_MAX_SECTORS >> 1)
.max_sectors = BFAD_MAX_SECTORS,
.max_sectors = BFAD_MAX_SECTORS,