linux-kernel - RE: [PATCH v2 0/2] scsi: ufs: introduce a callback to override OCS value

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Message-ID: <004b01dafcce$e15186d0$a3f49470$@samsung.com>
Date: Mon, 2 Sep 2024 09:27:23 +0900
From: "Kiwoong Kim" <kwmad.kim@...sung.com>
To: "'Bart Van Assche'" <bvanassche@....org>, "'Bean Huo'"
	<huobean@...il.com>, <linux-scsi@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <alim.akhtar@...sung.com>,
	<avri.altman@....com>, <jejb@...ux.ibm.com>, <martin.petersen@...cle.com>,
	<beanhuo@...ron.com>, <adrian.hunter@...el.com>, <h10.kim@...sung.com>,
	<hy50.seo@...sung.com>, <sh425.lee@...sung.com>, <kwangwon.min@...sung.com>,
	<junwoo80.lee@...sung.com>, <wkon.kim@...sung.com>
Subject: RE: [PATCH v2 0/2] scsi: ufs: introduce a callback to override OCS
 value

> > I wonder if you have considered the case where the command is aborted
> > by the host software or by the device itself?
> >
> > If you change OCS to OCS_INVALID_COMMAND_STATUS, there will report a
> > DID_REQUEUE to SCSI.
> 
> The decision about what to do probably should depend on whether or not
> the command has been nullified.
> 
> Thanks,
> 
> Bart.

When MCQ is enabled, Exynos host reports OCS_ABORTED only for nullified cases.

Thanks.