[PATCH 108/117] Staging: hv: storvsc: In case of scsi errors offline the device

K. Y. Srinivasan
Fri, 15 Jul 2011 17:47:36 -0000

When we do get fatal errors from the host, offline the device since the
host has already tried all possible recovery actions.

Signed-off-by: K. Y. Srinivasan <kys at microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz at microsoft.com>
---
 drivers/staging/hv/storvsc_drv.c |   10 +++++++++-
 1 files changed, 9 insertions(+), 1 deletions(-)

diff --git a/drivers/staging/hv/storvsc_drv.c b/drivers/staging/hv/storvsc_drv.c
index 2d7bb41..8756cdf 100644
--- a/drivers/staging/hv/storvsc_drv.c
+++ b/drivers/staging/hv/storvsc_drv.c
@@ -1187,7 +1187,15 @@ static void storvsc_command_completion(struct
hv_storvsc_request *request)
 		}
 	}

-	scmnd->result = vm_srb->scsi_status;
+	/*
+	 * If there is an error; offline the device since all
+	 * error recovery strategies would have already been
+	 * deployed on the host side.
+	 */
+	if (vm_srb->srb_status == 0x4)
+		scmnd->result = DID_TARGET_FAILURE << 16;
+	else
+		scmnd->result = vm_srb->scsi_status;

 	if (scmnd->result) {
 		if (scsi_normalize_sense(scmnd->sense_buffer,
--
1.7.4.1