SATA: enable non-queueable flush flag

Enable non-queueable flush flag for SATA.

Stable: 2.6.39 only

Cc: stable@kernel.org
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Acked-by: Tejun Heo <tj@kernel.org>
Acked-by: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>

1 files changed, 7 insertions, 6 deletions

diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index e2f57e9e12f0..dad2c952e0d2 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -1089,21 +1089,21 @@ static int atapi_drain_needed(struct request *rq)
 static int ata_scsi_dev_config(struct scsi_device *sdev,
                                struct ata_device *dev)
 {
+        struct request_queue *q = sdev->request_queue;
+
         if (!ata_id_has_unload(dev->id))
                 dev->flags |= ATA_DFLAG_NO_UNLOAD;
 
         /* configure max sectors */
-        blk_queue_max_hw_sectors(sdev->request_queue, dev->max_sectors);
+        blk_queue_max_hw_sectors(q, dev->max_sectors);
 
         if (dev->class == ATA_DEV_ATAPI) {
-                struct request_queue *q = sdev->request_queue;
                 void *buf;
 
                 sdev->sector_size = ATA_SECT_SIZE;
 
                 /* set DMA padding */
-                blk_queue_update_dma_pad(sdev->request_queue,
-                                         ATA_DMA_PAD_SZ - 1);
+                blk_queue_update_dma_pad(q, ATA_DMA_PAD_SZ - 1);
 
                 /* configure draining */
                 buf = kmalloc(ATAPI_MAX_DRAIN, q->bounce_gfp | GFP_KERNEL);
@@ -1131,8 +1131,7 @@ static int ata_scsi_dev_config(struct scsi_device *sdev,
                         "sector_size=%u > PAGE_SIZE, PIO may malfunction\n",
                         sdev->sector_size);
 
-        blk_queue_update_dma_alignment(sdev->request_queue,
-                                       sdev->sector_size - 1);
+        blk_queue_update_dma_alignment(q, sdev->sector_size - 1);
 
         if (dev->flags & ATA_DFLAG_AN)
                 set_bit(SDEV_EVT_MEDIA_CHANGE, sdev->supported_events);
@@ -1145,6 +1144,8 @@ static int ata_scsi_dev_config(struct scsi_device *sdev,
                 scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, depth);
         }
 
+        blk_queue_flush_queueable(q, false);
+
         dev->sdev = sdev;
         return 0;
 }