From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.kernel.org ([198.145.29.99]:49246 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933361AbeD0OCf (ORCPT ); Fri, 27 Apr 2018 10:02:35 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Nikola Ciprich , "Martin K. Petersen" Subject: [PATCH 4.4 47/50] scsi: mptsas: Disable WRITE SAME Date: Fri, 27 Apr 2018 15:58:49 +0200 Message-Id: <20180427135658.447309211@linuxfoundation.org> In-Reply-To: <20180427135655.623669681@linuxfoundation.org> References: <20180427135655.623669681@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: stable-owner@vger.kernel.org List-ID: 4.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Martin K. Petersen commit 94e5395d2403c8bc2504a7cbe4c4caaacb7b8b84 upstream. First generation MPT Fusion controllers can not translate WRITE SAME when the attached device is a SATA drive. Disable WRITE SAME support. Reported-by: Nikola Ciprich Cc: Signed-off-by: Martin K. Petersen Signed-off-by: Greg Kroah-Hartman --- drivers/message/fusion/mptsas.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/message/fusion/mptsas.c +++ b/drivers/message/fusion/mptsas.c @@ -1994,6 +1994,7 @@ static struct scsi_host_template mptsas_ .cmd_per_lun = 7, .use_clustering = ENABLE_CLUSTERING, .shost_attrs = mptscsih_host_attrs, + .no_write_same = 1, }; static int mptsas_get_linkerrors(struct sas_phy *phy)