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libata: SCT Write Same handle ATA_DFLAG_PIO 

Use non DMA write log when ATA_DFLAG_PIO is set.

Signed-off-by: Shaun Tancheff <shaun.tancheff@seagate.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Acked-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Shaun Tancheff 2016-08-21 23:23:21 -05:00 committed by Tejun Heo
parent ef2d7392c4
commit 7d36dd00ab
1 changed files with 2 additions and 0 deletions
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2
drivers/ata/libata-scsi.c
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@ -3485,6 +3485,8 @@ static unsigned int ata_scsi_write_same_xlat(struct ata_queued_cmd *qc)
tf->device = ATA_CMD_STANDBYNOW1;
tf->protocol = ATA_PROT_DMA;
tf->command = ATA_CMD_WRITE_LOG_DMA_EXT;
if (unlikely(dev->flags & ATA_DFLAG_PIO))
tf->command = ATA_CMD_WRITE_LOG_EXT;
}
tf->flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE | ATA_TFLAG_LBA48 |