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Diffstat (limited to 'drivers/usb/storage/scsiglue.c')
| -rw-r--r-- | drivers/usb/storage/scsiglue.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c index 9da1fb3d0ff4..88920142e375 100644 --- a/drivers/usb/storage/scsiglue.c +++ b/drivers/usb/storage/scsiglue.c @@ -133,6 +133,11 @@ static int slave_configure(struct scsi_device *sdev) * let the queue segment size sort out the real limit. */ blk_queue_max_hw_sectors(sdev->request_queue, 0x7FFFFF); + } else if (us->pusb_dev->speed >= USB_SPEED_SUPER) { + /* USB3 devices will be limited to 2048 sectors. This gives us + * better throughput on most devices. + */ + blk_queue_max_hw_sectors(sdev->request_queue, 2048); } /* Some USB host controllers can't do DMA; they have to use PIO. |