Re: [PATCH 0/4] scsi: qla2xxx: Bug fixes

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On 9/12/19 1:39 AM, Roman Bolshakov wrote:
> This series has a few bug fixes for the driver.
> 
> Note, #1 only fixes the crash in the kernel. The complete fix for clean
> ACL deletion from initiator side is in works and requires a discussion.
> 
> As of now initiator is not aware that target no longer wants talking to
> it, that implies unneeded timeout. It might be fixed by making LOGO
> explicit on session deletion but it's an issue I want to raise first
> before making the change. Whether we need implicit LOGO in qla2xxx,
> explicit or use both.
> 
> Also, an unsolicited ABTS from a port without session would still result
> in BA_RJT response instead of frame discard and LOGO ELS, as specified
> in FCP (12.3.3 Target FCP_Port response to Exchange termination):
> 
>    When an ABTS-LS is received at the target FCP_Port, it shall abort
>    the designated Exchange and return one of the following responses:
> 
>    a) the target FCP_Port shall discard the ABTS-LS and transmit a LOGO
>       ELS if the Nx_Port issuing the ABTS-LS is not currently logged in
>       (i.e., no N_Port Login exists);
> 
> FWIW, the target driver can receive ABTS as part of ABORT TASK/LUN
> RESET/CLEAR TASK SET TMFs and in case of failed sequence retransmission
> requests, exchange or sequence errors. IIRC, some initiators requeue
> SCSI commands if BA_RJT is received. Therefore, a timely LOGO will
> prevent a perceived session freeze on the initiators.

Hi Roman,

Has this patch series been prepared against Linus' master branch,
against Martin's 5.3/scsi-fixes or against Martin's 5.4/scsi-queue
branch? I'm asking this because some patches in this series look similar
to patches that are already present in the 5.4/scsi-queue branch.

Thanks,

Bart.




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