From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762209AbbA2Cg0 (ORCPT ); Wed, 28 Jan 2015 21:36:26 -0500 Received: from youngberry.canonical.com ([91.189.89.112]:46959 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1762144AbbA2CgS (ORCPT ); Wed, 28 Jan 2015 21:36:18 -0500 From: Kamal Mostafa To: linux-kernel@vger.kernel.org, stable@vger.kernel.org, kernel-team@lists.ubuntu.com Cc: Sreekanth Reddy , Christoph Hellwig , Kamal Mostafa Subject: [PATCH 3.13.y-ckt 081/139] Revert "[SCSI] mpt3sas: Remove phys on topology change" Date: Wed, 28 Jan 2015 14:20:24 -0800 Message-Id: <1422483682-15393-82-git-send-email-kamal@canonical.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1422483682-15393-1-git-send-email-kamal@canonical.com> References: <1422483682-15393-1-git-send-email-kamal@canonical.com> X-Extended-Stable: 3.13 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.13.11-ckt15 -stable review patch. If anyone has any objections, please let me know. ------------------ From: Sreekanth Reddy commit 2311ce4d9c91ed63a46e18f0378f3e406e7e888e upstream. This reverts commit 963ba22b90a955363644cd397b20226928eab976 ("mpt3sas: Remove phys on topology change") Reverting the previous mpt3sas drives patch changes, since we will observe below issue Issue: Drives connected Enclosure/Expander will unregister with SCSI Transport Layer, if any one remove and add expander cable with in DMD (Device Missing Delay) time period or even any one power-off and power-on the Enclosure with in the DMD period. Signed-off-by: Sreekanth Reddy Reviewed-by: Tomas Henzl Signed-off-by: Christoph Hellwig Signed-off-by: Kamal Mostafa --- drivers/scsi/mpt3sas/mpt3sas_transport.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/drivers/scsi/mpt3sas/mpt3sas_transport.c b/drivers/scsi/mpt3sas/mpt3sas_transport.c index e771a88..dcadd56 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_transport.c +++ b/drivers/scsi/mpt3sas/mpt3sas_transport.c @@ -1003,12 +1003,9 @@ mpt3sas_transport_update_links(struct MPT3SAS_ADAPTER *ioc, &mpt3sas_phy->remote_identify); _transport_add_phy_to_an_existing_port(ioc, sas_node, mpt3sas_phy, mpt3sas_phy->remote_identify.sas_address); - } else { + } else memset(&mpt3sas_phy->remote_identify, 0 , sizeof(struct sas_identify)); - _transport_del_phy_from_an_existing_port(ioc, sas_node, - mpt3sas_phy); - } if (mpt3sas_phy->phy) mpt3sas_phy->phy->negotiated_linkrate = -- 1.9.1