diff options
| -rw-r--r-- | drivers/scsi/storvsc_drv.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c index 33f568b7f54d..d9ce379c4d2e 100644 --- a/drivers/scsi/storvsc_drv.c +++ b/drivers/scsi/storvsc_drv.c @@ -988,6 +988,22 @@ static void storvsc_handle_error(struct vmscsi_request *vm_srb, } /* + * Check for "Operating parameters have changed" + * due to Hyper-V changing the VHD/VHDX BlockSize + * when adding/removing a differencing disk. This + * causes discard_granularity to change, so do a + * rescan to pick up the new granularity. We don't + * want scsi_report_sense() to output a message + * that a sysadmin wouldn't know what to do with. + */ + if ((asc == 0x3f) && (ascq != 0x03) && + (ascq != 0x0e)) { + process_err_fn = storvsc_device_scan; + set_host_byte(scmnd, DID_REQUEUE); + goto do_work; + } + + /* * Otherwise, let upper layer deal with the * error when sense message is present */ |