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

From: K. Y. Srinivasan
Date: Fri Jul 15 2011 - 13:34:23 EST


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@xxxxxxxxxxxxx>
Signed-off-by: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>
---
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

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