diff options
Diffstat (limited to 'drivers/ata/libata-scsi.c')
| -rw-r--r-- | drivers/ata/libata-scsi.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 3fd08201bef..c02c490122d 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -839,7 +839,14 @@ static void ata_scsi_dev_config(struct scsi_device *sdev, if (dev->class == ATA_DEV_ATAPI) { struct request_queue *q = sdev->request_queue; blk_queue_max_hw_segments(q, q->max_hw_segments - 1); - } + + /* set the min alignment */ + blk_queue_update_dma_alignment(sdev->request_queue, + ATA_DMA_PAD_SZ - 1); + } else + /* ATA devices must be sector aligned */ + blk_queue_update_dma_alignment(sdev->request_queue, + ATA_SECT_SIZE - 1); if (dev->class == ATA_DEV_ATA) sdev->manage_start_stop = 1; @@ -878,7 +885,7 @@ int ata_scsi_slave_config(struct scsi_device *sdev) if (dev) ata_scsi_dev_config(sdev, dev); - return 0; /* scsi layer doesn't check return value, sigh */ + return 0; } /** |