From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751154AbcCACBQ (ORCPT ); Mon, 29 Feb 2016 21:01:16 -0500 Received: from userp1040.oracle.com ([156.151.31.81]:20568 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750725AbcCACBO (ORCPT ); Mon, 29 Feb 2016 21:01:14 -0500 To: John Garry Cc: , , , , , , Hannes Reinecke Subject: Re: [PATCH v2 0/6] hisi_sas: add abort and retry feature From: "Martin K. Petersen" Organization: Oracle Corporation References: <1456393335-38294-1-git-send-email-john.garry@huawei.com> Date: Mon, 29 Feb 2016 21:00:48 -0500 In-Reply-To: <1456393335-38294-1-git-send-email-john.garry@huawei.com> (John Garry's message of "Thu, 25 Feb 2016 17:42:09 +0800") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Source-IP: aserv0022.oracle.com [141.146.126.234] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >>>>> "John" == John Garry 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