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=-9.0 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, 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 AEF30C43387 for ; Thu, 20 Dec 2018 09:30:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B0CCD20989 for ; Thu, 20 Dec 2018 09:30:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1545298219; bh=4vlhnaXQVEweXtZBrsnG52P9QPWmipR7dOBKA3z2NUo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=F/+/STSy7Y2YuwZ9u6GRLtjrKAZwOb/+SsECfmhBTwDExEwV+pMA9Pn3YeK5lk8M/ uMglg7F5MdPexwBRA/Fk0MN2FAWEqDwwToe39csBrltGYvXQWFohZMo860ey1Eb43v GRS4KzfmugVd2qSDdYsvaL09vjgAXLTOJ2I/cf3E= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732901AbeLTJaS (ORCPT ); Thu, 20 Dec 2018 04:30:18 -0500 Received: from mail.kernel.org ([198.145.29.99]:36070 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732876AbeLTJaQ (ORCPT ); Thu, 20 Dec 2018 04:30:16 -0500 Received: from localhost (5356596B.cm-6-7b.dynamic.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 2BA1720656; Thu, 20 Dec 2018 09:30:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1545298215; bh=4vlhnaXQVEweXtZBrsnG52P9QPWmipR7dOBKA3z2NUo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HZhMXYrpdzOeSdPxiT3JfDRafwVvsNgeRQOdmEmou+/bHsc8p/aHwBV03cV/iPBQs zyIBK3Etgks0ldbZeSGR3rS8cgGv0xdXh7E2uOMJAZ6TSdAUy+YkKsaQlXRekxrQMZ Dl7FGcPKlrmQuQw7CGB/vHIXx/vdbl50B07r+IGw= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, "Martin K. Petersen" , Juha-Matti Tilli , Jens Axboe , Sasha Levin Subject: [PATCH 4.19 42/67] libata: whitelist all SAMSUNG MZ7KM* solid-state disks Date: Thu, 20 Dec 2018 10:18:54 +0100 Message-Id: <20181220085905.209733136@linuxfoundation.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20181220085903.562090333@linuxfoundation.org> References: <20181220085903.562090333@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4.19-stable review patch. If anyone has any objections, please let me know. ------------------ [ 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 a7f5202a4815..b8c3f9e6af89 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4602,6 +4602,7 @@ 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