From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Martin K. Petersen" Subject: Re: [PATCH v3 4/8] megaraid_sas: Send SYNCHRONIZE_CACHE for non-raid to firmware Date: Mon, 24 Oct 2016 21:33:36 -0400 Message-ID: References: <1477056816-7058-1-git-send-email-kashyap.desai@broadcom.com> <1477056816-7058-5-git-send-email-kashyap.desai@broadcom.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from aserp1040.oracle.com ([141.146.126.69]:50276 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932479AbcJYBdp (ORCPT ); Mon, 24 Oct 2016 21:33:45 -0400 In-Reply-To: <1477056816-7058-5-git-send-email-kashyap.desai@broadcom.com> (Kashyap Desai's message of "Fri, 21 Oct 2016 06:33:32 -0700") Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Kashyap Desai Cc: linux-scsi@vger.kernel.org, martin.petersen@oracle.com, thenzl@redhat.com, jejb@linux.vnet.ibm.com, sumit.saxena@broadcom.com, stable@vger.kernel.org >>>>> "Kashyap" == Kashyap Desai writes: Kashyap> Commit- " 02b01e0 [SCSI] megaraid_sas: return sync cache call Kashyap> with success" added the code in driver to return Kashyap> SYNCHRONIZE_CACHE without sending it to firmware back in Kashyap> 2007. Earlier MR was mainly for Virtual Disk, so same code Kashyap> continue for JBOD as well whenever JBOD support was added and Kashyap> it introduced bug that SYNCHRONIZE_CACHE is not passed to FW Kashyap> for JBOD (non Raid disk). Kashyap> But our recent analysis indicates that, From Day-1 MR Firmware Kashyap> always expect Driver to forward SYNCHRONIZE_CACHE for JBOD (non Kashyap> Raid disk) to the Firmware. We have fixed this as part of this Kashyap> patch. Applied to 4.9/scsi-fixes. -- Martin K. Petersen Oracle Linux Engineering