linux-kernel - Re: [PATCH v2 0/6] hisi_sas: add abort and retry feature

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Date:	Mon, 29 Feb 2016 21:00:48 -0500
From:	"Martin K. Petersen" <martin.petersen@...cle.com>
To:	John Garry <john.garry@...wei.com>
Cc:	<JBottomley@...n.com>, <martin.petersen@...cle.com>,
	<linuxarm@...wei.com>, <john.garry2@...l.dcu.ie>,
	<linux-scsi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	Hannes Reinecke <hare@...e.de>
Subject: Re: [PATCH v2 0/6] hisi_sas: add abort and retry feature

>>>>> "John" == John Garry <john.garry@...wei.com> writes:

John> This patchset introduces support to abort certain commands which
John> have failed and retry.  Certain errors require that the command be
John> retried, like TRANS_TX_CREDIT_TIMEOUT_ERR in v1 hw.  However, when
John> these errors occur the IO may still be in the device, so the IO
John> must first be aborted, and then retried. The HiSilicon SAS
John> controller has no FW to do this work, so it needs to be done
John> manually.

Applied to 4.6/scsi-queue.

-- 
Martin K. Petersen	Oracle Linux Engineering