On 07/12/2014 06:48 PM, K. Y. Srinivasan wrote:
On some Windows hosts on FC SANs, TEST_UNIT_READY can return SRB_STATUS_ERROR. Correctly handle this. Note that there is sufficient sense information to support scsi error handling even in this case. In this version of the patch I have addressed comments from Christoph Hellwig <hch@xxxxxxxxxxxxx> Signed-off-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx> Cc: <stable@xxxxxxxxxxxxxxx> --- drivers/scsi/storvsc_drv.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-) diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c index 9342ba4..29d0329 100644 --- a/drivers/scsi/storvsc_drv.c +++ b/drivers/scsi/storvsc_drv.c @@ -1018,6 +1018,13 @@ static void storvsc_handle_error(struct vmscsi_request *vm_srb, case ATA_12: set_host_byte(scmnd, DID_PASSTHROUGH); break; + /* + * On Some Windows hosts TEST_UNIT_READY command can return + * SRB_STATUS_ERROR, let the upper level code deal with it + * based on the sense information. + */ + case TEST_UNIT_READY: + break; default: set_host_byte(scmnd, DID_TARGET_FAILURE); }
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