On Tue, 19 Oct 2021 10:21:29 -0500, Brian King wrote:
> Commit a264cf5e81c7 ("scsi: ibmvfc: Fix command state accounting and stale response detection")
> introduced a regression in detecting duplicate responses. This was observed
> in test where a command was sent to the VIOS and completed before
> ibmvfc_send_event set the active flag to 1, which resulted in the
> atomic_dec_if_positive call in ibmvfc_handle_crq thinking this was a
> duplicate response, which resulted in scsi_done not getting called, so we
> then hit a scsi command timeout for this command once the timeout expires.
> This simply ensures the active flag gets set prior to making the hcall to
> send the command to the VIOS, in order to close this window.
>
> [...]
Applied to 5.15/scsi-fixes, thanks!
[1/1] ibmvfc: Fixup duplicate response detection
https://git.kernel.org/mkp/scsi/c/e20f80b9b163
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Martin K. Petersen Oracle Linux Engineering
