From patchwork Fri Apr 16 03:05:27 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Damien Le Moal X-Patchwork-Id: 12206587 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=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,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 78993C43470 for ; Fri, 16 Apr 2021 03:05:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 55344611AC for ; Fri, 16 Apr 2021 03:05:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237593AbhDPDGH (ORCPT ); Thu, 15 Apr 2021 23:06:07 -0400 Received: from esa3.hgst.iphmx.com ([216.71.153.141]:63380 "EHLO esa3.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234751AbhDPDGD (ORCPT ); Thu, 15 Apr 2021 23:06:03 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1618542338; x=1650078338; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=dQ6+wwXkURXembXlQMNkynRjOBYDsHmNyV1LL8+afz8=; b=fqkP3td3DpUZdTiIHlGI7oPNI1F5rZ9HgoDUkSfdSEu3CZobsMOUNlF0 qwjYLYD0gxE3P+kPe22QBiGbNk6eN1XBlBrc8erOjSa8dQYdDrKbKcw4z av7uw5TDBAFy8gUnRxwIYdwMsicMnqc92aIL0oq3g9jIQoHP0yC6Y29kr SeAFFb7ob5tlPKD8Q9Wfsgz7gnyjPQo0dv5YUT+CHpWxMMMO132/EDGZ7 ieAUh2FKBQfnJ+nHppFxslNUH5O6wsvU9ug3+tplN+faO2bfiHhV9vpxH ATEubWmeTQxNRTE1d3a9hXuAL2k2BqlcZKzTiCx2Rcpr+5QieQC8skTL6 g==; IronPort-SDR: ubaeraa/y/oGwdXcr44I2Ex6Lmdf9Nlm9bnqBZ0zDi2haPBjK/3AL19FAJ8deckj1LhMzPm5fn GypBFltnTDuM/jdK8bkXiImtZ5CG8EjhdfcYxuzeZFH96PXmcg08BRz3x0dLELqPsyYX8thDsB rLqSJz0r/KsiZZTgEk7Y6TZBJR+oZ9jyS51hLwsL8OXRou98ILzfPgP6fnTQSNiLyRXEQ51Rfg CZG/O8uWC0dlb4NseEDuXrEGn8yzolpr1znVH3kJm4jkODm4B3KjnhLf6h98Pz66txnHmCWdhc kXY= X-IronPort-AV: E=Sophos;i="5.82,226,1613404800"; d="scan'208";a="169567895" Received: from h199-255-45-15.hgst.com (HELO uls-op-cesaep02.wdc.com) ([199.255.45.15]) by ob1.hgst.iphmx.com with ESMTP; 16 Apr 2021 11:05:37 +0800 IronPort-SDR: T4D4eMzl0JlQKHdbeIbzthfGeK904rX+zDMhJvMqBXRQhdDXHoYVE+061Iw7LpQItS6tw3jsI8 K/bHniXZ7JjiB0xI/Zkn8BlNwWt+pBA+84IwU89PMfLtU5Ytc+fCQbpMrEb/4fqmijha2dzEHk atBWFtCwgadNXxYjgRDfzQOEi2MFmaK9l5BOxr0PbXdRPJ5terNIkPrNVckOj19sDaa4RziANO F8F9VgWM3Vy/A9LZdEAWb3OTneM2vpj0obNRf4SI8B0BbYkUN/SSFwy4+GrHgv3uo65fvoZmUn IHZp/rLjxpj2A6vqNSymbRAV Received: from uls-op-cesaip02.wdc.com ([10.248.3.37]) by uls-op-cesaep02.wdc.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Apr 2021 19:44:56 -0700 IronPort-SDR: XeFcQprEuAFYDJO6DpiQxcsC7N+LCT2SR+Mu5LEf4Xaflth/DDQwNi/0LW5UM7TnbJeuRqTSwF A2caLaeVJPDIYpfpbqPdd+zoeTtgjcmwbGRtXPz+zFA/vSzLCL5oDZB1U1YXfv4rUoljrjQEml /GhFt+gXWizqvsuzIuD6xmX3mwwUI6vOaANrC/xXYqaNcz/AyDVJCnaZPyBki04K2v/eRMhvDK QTOVUkM8S+NS7fijSsafqxW0t+EdNdG09b4gvBZhddV08G/EQ+6pPc6oENmirSES3hRM8Xy5PG Eqo= WDCIronportException: Internal Received: from washi.fujisawa.hgst.com ([10.149.53.254]) by uls-op-cesaip02.wdc.com with ESMTP; 15 Apr 2021 20:05:37 -0700 From: Damien Le Moal To: dm-devel@redhat.com, Mike Snitzer , linux-block@vger.kernel.org, Jens Axboe , linux-nvme@lists.infradead.org, Christoph Hellwig , linux-scsi@vger.kernel.org, "Martin K . Petersen" , linux-fsdevel@vger.kernel.org, linux-btrfs@vger.kernel.org, David Sterba , Josef Bacik Cc: Johannes Thumshirn , Shinichiro Kawasaki , Naohiro Aota Subject: [PATCH 3/4] btrfs: zoned: fail mount if the device does not support zone append Date: Fri, 16 Apr 2021 12:05:27 +0900 Message-Id: <20210416030528.757513-4-damien.lemoal@wdc.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210416030528.757513-1-damien.lemoal@wdc.com> References: <20210416030528.757513-1-damien.lemoal@wdc.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org From: Johannes Thumshirn For zoned btrfs, zone append is mandatory to write to a sequential write only zone, otherwise parallel writes to the same zone could result in unaligned write errors. If a zoned block device does not support zone append (e.g. a dm-crypt zoned device using a non-NULL IV cypher), fail to mount. Signed-off-by: Johannes Thumshirn Signed-off-by: Damien Le Moal --- fs/btrfs/zoned.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/fs/btrfs/zoned.c b/fs/btrfs/zoned.c index eeb3ebe11d7a..70b23a0d03b1 100644 --- a/fs/btrfs/zoned.c +++ b/fs/btrfs/zoned.c @@ -342,6 +342,13 @@ int btrfs_get_dev_zone_info(struct btrfs_device *device) if (!IS_ALIGNED(nr_sectors, zone_sectors)) zone_info->nr_zones++; + if (bdev_is_zoned(bdev) && zone_info->max_zone_append_size == 0) { + btrfs_err(fs_info, "zoned: device %pg does not support zone append", + bdev); + ret = -EINVAL; + goto out; + } + zone_info->seq_zones = bitmap_zalloc(zone_info->nr_zones, GFP_KERNEL); if (!zone_info->seq_zones) { ret = -ENOMEM;