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 338CCC67839 for ; Thu, 13 Dec 2018 04:40:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EDCE620870 for ; Thu, 13 Dec 2018 04:40:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1544676001; bh=xYKZTlivoHMvuG3FDDpYNyHwBtp6xlVP49sKxHZsUCk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=vyjBXkdP6A7Q8nlMLT0Ni4/DjZsYeIVhRiCmo27G9nB6XkRe1dESO78uSPcN0b5Cv KZ2OFzYkOC79Yq3O/cSJSSF8Dv1+7oi1oExZ+hCBZqQAuqlIVzA39RU3LIoJmEq7zV EJ3V608/jhDUa8W+8/JEU6HBUQIlj1WDIra/mG9c= DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EDCE620870 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 S1729104AbeLMEj7 (ORCPT ); Wed, 12 Dec 2018 23:39:59 -0500 Received: from mail.kernel.org ([198.145.29.99]:45456 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729105AbeLMEcd (ORCPT ); Wed, 12 Dec 2018 23:32:33 -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 22C5720873; Thu, 13 Dec 2018 04:32:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1544675552; bh=xYKZTlivoHMvuG3FDDpYNyHwBtp6xlVP49sKxHZsUCk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=OukXHj/BPBxeqUMRYkXuMY2fwJVSS860v6D7q2iZ9cBDtj5c+D1of0OVscCjlMqvQ J8hNiA11PCksFJxcfxKNbD7ISlSGYcMJvAWz829JXymwfuqQr8VlA5Dk80IHT2l9J6 tvTQaRFkSke4MxsVM+0dyDMKyigKKv46YfsB4qOk= 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 4.9 18/34] libata: whitelist all SAMSUNG MZ7KM* solid-state disks Date: Wed, 12 Dec 2018 23:31:44 -0500 Message-Id: <20181213043200.76295-18-sashal@kernel.org> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20181213043200.76295-1-sashal@kernel.org> References: <20181213043200.76295-1-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 a166359ad5d4..35be49f5791d 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4476,6 +4476,7 @@ 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, }, /* -- 2.19.1