Withdrawn. blk_queue_max_hw_sectors() is not called in hosts.c but in
scsi_lib.c. However, it does not check the dev->max_sectors set in
libata-core.c. So everything of this patch is wrong. Will rewrite and
resend the second patch.
On 9 August 2016 at 18:31, <tom.ty89@xxxxxxxxx> wrote:
> From: Tom Yan <tom.ty89@xxxxxxxxx>
>
> We should just let the scsi driver (hosts.c) call the function. It
> has better heuristic anyway (i.e. use SCSI_DEFAULT_MAX_SECTORS as
> fallback when max_sectors is not set).
>
> diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
> index 2bdb5da..495d916 100644
> --- a/drivers/ata/libata-scsi.c
> +++ b/drivers/ata/libata-scsi.c
> @@ -1204,9 +1204,6 @@ static int ata_scsi_dev_config(struct scsi_device *sdev,
> if (!ata_id_has_unload(dev->id))
> dev->flags |= ATA_DFLAG_NO_UNLOAD;
>
> - /* configure max sectors */
> - blk_queue_max_hw_sectors(q, dev->max_sectors);
> -
> if (dev->class == ATA_DEV_ATAPI) {
> void *buf;
>
> --
> 2.9.2
>
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