Re: [PATCH -mm 11/11] aacraid: use pci_set_dma_max_seg_size

Jeff Garzik
2007-10-24T11:31:50Z

FUJITA Tomonori wrote:
> This sets the segment size limit properly via pci_set_dma_max_seg_size
> and remove blk_queue_max_segment_size because scsi-ml calls it.
>
> Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
> ---
> drivers/scsi/aacraid/linit.c | 9 ++++++---
> 1 files changed, 6 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
> index 038980b..04d6a65 100644
> --- a/drivers/scsi/aacraid/linit.c
> +++ b/drivers/scsi/aacraid/linit.c
> @@ -435,9 +435,6 @@ static int aac_slave_configure(struct scsi_device *sdev)
> else if (depth < 2)
> depth = 2;
> scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
> - if (!(((struct aac_dev *)host->hostdata)->adapter_info.options &
> - AAC_OPT_NEW_COMM))
> - blk_queue_max_segment_size(sdev->request_queue, 65536);
> } else
> scsi_adjust_queue_depth(sdev, 0, 1);
>
> @@ -1045,6 +1042,12 @@ static int __devinit aac_probe_one(struct pci_dev *pdev,
> if (error < 0)
> goto out_deinit;
>
> + if (!(aac->adapter_info.options & AAC_OPT_NEW_COMM)) {
> + error = pci_set_dma_max_seg_size(pdev, 65536);
> + if (error)
> + goto out_deinit;
> + }

is this needed, given that the default is already 65536?

Jeff