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 3DE14C43387 for ; Thu, 20 Dec 2018 09:20:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 115662177B for ; Thu, 20 Dec 2018 09:20:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1545297611; bh=YYbVc3zzP8usWBCC1K+3/qAcnsIBvsj4DMizrvTzJBA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=NSaaK8kgePLgzXZv4vJjqCskpFCRmRANqQfAUcWxSTinuoIRPm3lcg/3W8W0Cn1MT VI9P2hyXQZNH9ME0QXOAdJMqc9KQ3aD5wh+ZpRdF0RAPzqPDviTeLqTbR9wl6jTbJQ 9DdNXWlyiSJLHZrspaQ9Y74bET3k4oTPDVJZi6+s= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730590AbeLTJUJ (ORCPT ); Thu, 20 Dec 2018 04:20:09 -0500 Received: from mail.kernel.org ([198.145.29.99]:49200 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730571AbeLTJUH (ORCPT ); Thu, 20 Dec 2018 04:20:07 -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 2676021773; Thu, 20 Dec 2018 09:20:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1545297606; bh=YYbVc3zzP8usWBCC1K+3/qAcnsIBvsj4DMizrvTzJBA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ksoxb9BGtIxkWhVJzAFRdSGQOe4NeZjv6dU1YyTZCpp5Sgvs+2HhMNVLYH/8julev gdBvMuajNzb1V3ehsnUdkZe/C7+FF+7sMo6xJ21wxb7YyUwaEJfY+z/5XrwPZtnvuV GrBWyxoCa06Tu+haJ85u1qSoWlluErkHyoq+3p94= 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 3.18 22/31] libata: whitelist all SAMSUNG MZ7KM* solid-state disks Date: Thu, 20 Dec 2018 10:18:34 +0100 Message-Id: <20181220085743.485704154@linuxfoundation.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20181220085742.601260254@linuxfoundation.org> References: <20181220085742.601260254@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 3.18-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 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