Tejun Heo wrote: > Hello, Brian. > > brking@xxxxxxxxxx wrote: > >>For some HBAs, particularly SAS HBAs, there is no reason to >>allocate a PRD buffer, since it is not used. Add a flag >>to prevent its allocation. >> > > > I think it's better done with ata_sas_port_start/stop rather than with > ATA_FLAG_NO_PRD. All sata low level drivers which don't use PRD table > implement their own port_start/stop (ahci.c, sata_sil24.c for example). Good point. Jeff - : send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html