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| author | Cathy Avery <cavery@redhat.com> | 2017-12-19 19:32:48 +0100 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2017-12-21 03:23:11 +0100 |
| commit | d1b8b2391c24751e44f618fcf86fb55d9a9247fd (patch) | |
| tree | 2507cec8ef2579be0e26692663b91cbec2053563 | |
| parent | scsi: core: check for device state in __scsi_remove_target() (diff) | |
| download | linux-d1b8b2391c24751e44f618fcf86fb55d9a9247fd.tar.xz linux-d1b8b2391c24751e44f618fcf86fb55d9a9247fd.zip | |
scsi: storvsc: Fix scsi_cmd error assignments in storvsc_handle_error
When an I/O is returned with an srb_status of SRB_STATUS_INVALID_LUN
which has zero good_bytes it must be assigned an error. Otherwise the
I/O will be continuously requeued and will cause a deadlock in the case
where disks are being hot added and removed. sd_probe_async will wait
forever for its I/O to complete while holding scsi_sd_probe_domain.
Also returning the default error of DID_TARGET_FAILURE causes multipath
to not retry the I/O resulting in applications receiving I/O errors
before a failover can occur.
Signed-off-by: Cathy Avery <cavery@redhat.com>
Signed-off-by: Long Li <longli@microsoft.com>
Reviewed-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
| -rw-r--r-- | drivers/scsi/storvsc_drv.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c index 1b06cf0375dc..3b3d1d050cac 100644 --- a/drivers/scsi/storvsc_drv.c +++ b/drivers/scsi/storvsc_drv.c @@ -953,10 +953,11 @@ static void storvsc_handle_error(struct vmscsi_request *vm_srb, case TEST_UNIT_READY: break; default: - set_host_byte(scmnd, DID_TARGET_FAILURE); + set_host_byte(scmnd, DID_ERROR); } break; case SRB_STATUS_INVALID_LUN: + set_host_byte(scmnd, DID_NO_CONNECT); do_work = true; process_err_fn = storvsc_remove_lun; break; |