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| author | shaohua.li@intel.com <shaohua.li@intel.com> | 2011-05-06 11:35:31 -0600 |
|---|---|---|
| committer | Jens Axboe <jaxboe@fusionio.com> | 2011-05-06 11:36:25 -0600 |
| commit | 900e599eb0c16390ff671652a44e0ea90532220e (patch) | |
| tree | bc2104ee827b8dad81bc9f32cd0b4e68a4ef117a /drivers/ata | |
| parent | 3ac0cc4508709d42ec9aa351086c7d38bfc0660c (diff) | |
| download | kernel_samsung_espresso10-900e599eb0c16390ff671652a44e0ea90532220e.zip kernel_samsung_espresso10-900e599eb0c16390ff671652a44e0ea90532220e.tar.gz kernel_samsung_espresso10-900e599eb0c16390ff671652a44e0ea90532220e.tar.bz2 | |
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>
Diffstat (limited to 'drivers/ata')
| -rw-r--r-- | drivers/ata/libata-scsi.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index e2f57e9e..dad2c95 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; } |