ATA_MAX_PRD 155 include/linux/ata.h ATA_PRD_TBL_SZ = (ATA_MAX_PRD * ATA_PRD_SZ), ATA_MAX_PRD 124 include/linux/libata.h LIBATA_MAX_PRD = ATA_MAX_PRD / 2, ATA_MAX_PRD 125 include/linux/libata.h LIBATA_DUMB_MAX_PRD = ATA_MAX_PRD / 4, /* Worst case */