From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id F1682C65BAE for ; Thu, 13 Dec 2018 04:34:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AF99E20672 for ; Thu, 13 Dec 2018 04:34:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1544675682; bh=Xupz0bRD0lo237PYnqo6F2djKsL72StW+fSECSgBlac=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=a2oNjo9bvKaZjSUdIHIL9QM6uUI6NZPJvgwj/Y+yiIaEw8doAGlpj9TNtuN+2/FYy QatfOU+G3hZY+MW3Av0B8nj+NOrzMAoGPPFMt9pamEholtNVuEa7wiWgOhJmfbm4LD ciKiWk20RbWyg48h8OJfZrzlVPEk0uwaJnxfSVTA= DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AF99E20672 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728040AbeLMEel (ORCPT ); Wed, 12 Dec 2018 23:34:41 -0500 Received: from mail.kernel.org ([198.145.29.99]:47374 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729496AbeLMEeF (ORCPT ); Wed, 12 Dec 2018 23:34:05 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 7C7FA20873; Thu, 13 Dec 2018 04:34:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1544675645; bh=Xupz0bRD0lo237PYnqo6F2djKsL72StW+fSECSgBlac=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=UNnSVuCc4gdH/L8DXQOcdugzy1qz++QbzFfCIz2PWnQGAxy0Zfh1trIt292tTaUmU +slCMIf2x+bADyMg+YNk1bc/LKoswwH8NhYD9QIDFBR071/7vwj0OmKGH1MCadeAzk 7yy51Uebsvi6x8xvrd1VjYtIlgx1/NnMR/E3NAy0= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Juha-Matti Tilli , Jens Axboe , Sasha Levin , linux-ide@vger.kernel.org Subject: [PATCH AUTOSEL 3.18 12/16] libata: whitelist all SAMSUNG MZ7KM* solid-state disks Date: Wed, 12 Dec 2018 23:33:39 -0500 Message-Id: <20181213043343.76896-12-sashal@kernel.org> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20181213043343.76896-1-sashal@kernel.org> References: <20181213043343.76896-1-sashal@kernel.org> MIME-Version: 1.0 X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Juha-Matti Tilli [ Upstream commit fd6f32f78645db32b6b95a42e45da2ddd6de0e67 ] These devices support read zero after trim (RZAT), as they advertise to the OS. However, the OS doesn't believe the SSDs unless they are explicitly whitelisted. Acked-by: Martin K. Petersen Signed-off-by: Juha-Matti Tilli Signed-off-by: Jens Axboe Signed-off-by: Sasha Levin --- drivers/ata/libata-core.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 6629a5deccbd..e155998e4696 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4295,6 +4295,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { { "SSD*INTEL*", NULL, ATA_HORKAGE_ZERO_AFTER_TRIM, }, { "Samsung*SSD*", NULL, ATA_HORKAGE_ZERO_AFTER_TRIM, }, { "SAMSUNG*SSD*", NULL, ATA_HORKAGE_ZERO_AFTER_TRIM, }, + { "SAMSUNG*MZ7KM*", NULL, ATA_HORKAGE_ZERO_AFTER_TRIM, }, { "ST[1248][0248]0[FH]*", NULL, ATA_HORKAGE_ZERO_AFTER_TRIM, }, /* devices that don't properly handle TRIM commands */ -- 2.19.1