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). Sounds good to me. I'll go ahead and drop this patch and add ata_sas_port_start/stop. -- Brian King eServer Storage I/O IBM Linux Technology Center - : 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