diff options
Diffstat (limited to 'drivers/usb/storage/scsiglue.c')
| -rw-r--r-- | drivers/usb/storage/scsiglue.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c index 727c506417c..4ca3b586064 100644 --- a/drivers/usb/storage/scsiglue.c +++ b/drivers/usb/storage/scsiglue.c @@ -135,6 +135,12 @@ static int slave_configure(struct scsi_device *sdev) if (sdev->request_queue->max_sectors > max_sectors) blk_queue_max_sectors(sdev->request_queue, max_sectors); + } else if (sdev->type == TYPE_TAPE) { + /* Tapes need much higher max_sector limits, so just + * raise it to the maximum possible (4 GB / 512) and + * let the queue segment size sort out the real limit. + */ + blk_queue_max_sectors(sdev->request_queue, 0x7FFFFF); } /* Some USB host controllers can't do DMA; they have to use PIO. @@ -563,4 +569,4 @@ unsigned char usb_stor_sense_invalidCDB[18] = { [7] = 0x0a, /* additional length */ [12] = 0x24 /* Invalid Field in CDB */ }; - +EXPORT_SYMBOL_GPL(usb_stor_sense_invalidCDB); |