Messages in this thread | | | Date | Fri, 27 May 2005 00:41:59 -0400 | From | Jeff Garzik <> | Subject | Re: Playing with SATA NCQ |
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Jens Axboe wrote: > @@ -189,7 +194,7 @@ > .ioctl = ata_scsi_ioctl, > .queuecommand = ata_scsi_queuecmd, > .eh_strategy_handler = ata_scsi_error, > - .can_queue = ATA_DEF_QUEUE, > + .can_queue = ATA_MAX_QUEUE, > .this_id = ATA_SHT_THIS_ID, > .sg_tablesize = AHCI_MAX_SG, > .max_sectors = ATA_MAX_SECTORS, > @@ -200,7 +205,7 @@ > .dma_boundary = AHCI_DMA_BOUNDARY, > .slave_configure = ata_scsi_slave_config, > .bios_param = ata_std_bios_param, > - .ordered_flush = 1, > + .ordered_flush = 0, /* conflicts with NCQ for now */ > }; > > static struct ata_port_operations ahci_ops = {
Also, you'll probably want to implement ata_scsi_change_queue_depth, and reference it in ahci.c (and other NCQ-capable drivers).
Jeff
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