diff options
Diffstat (limited to 'drivers/usb/storage/scsiglue.c')
| -rw-r--r-- | drivers/usb/storage/scsiglue.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c index e9d6c196a7ab..8d78084abf9f 100644 --- a/drivers/usb/storage/scsiglue.c +++ b/drivers/usb/storage/scsiglue.c @@ -208,6 +208,14 @@ static int slave_configure(struct scsi_device *sdev) * sector in a larger then 1 sector read, since the performance * impact is negible we set this flag for all USB disks */ sdev->last_sector_bug = 1; + + /* Enable last-sector hacks for single-target devices using + * the Bulk-only transport, unless we already know the + * capacity will be decremented or is correct. */ + if (!(us->fflags & (US_FL_FIX_CAPACITY | US_FL_CAPACITY_OK | + US_FL_SCM_MULT_TARG)) && + us->protocol == US_PR_BULK) + us->use_last_sector_hacks = 1; } else { /* Non-disk-type devices don't need to blacklist any pages |