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Date:   Wed, 20 Dec 2017 21:24:10 -0500
From:   "Martin K. Petersen" <>
To:     Cathy Avery <>
Subject: Re: [PATCH] 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.

Applied to 4.15/scsi-fixes. Thank you!

Martin K. Petersen	Oracle Linux Engineering

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