From patchwork Mon May 11 08:24:29 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hannes Reinecke X-Patchwork-Id: 11539959 X-Patchwork-Delegate: snitzer@redhat.com Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E6BDB913 for ; Mon, 11 May 2020 08:25:14 +0000 (UTC) Received: from us-smtp-delivery-1.mimecast.com (us-smtp-1.mimecast.com [207.211.31.81]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A29D7207DD for ; Mon, 11 May 2020 08:25:14 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="B7AAX4Hw" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A29D7207DD Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=dm-devel-bounces@redhat.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1589185513; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:list-id:list-help: list-unsubscribe:list-subscribe:list-post; bh=3+QJu4c9EGFsfJCcAdRsBkTbKHwQrnQdH7eSFx6SVzc=; b=B7AAX4HwXE/ELp87PBDgDUDG27FwnZqtwELyhBmI5B9d+u01R54BF8TI8YnAavxghKBzG6 pnFlcpQgu0MX+PvdQPuxFjNKJvdFUi7zd0n36r4YLlm9QH+w/aV1/Rr+3p34M4FlRpgtdh EATt6cQJcy3b6hI+u4BRjgURLI8kw2s= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-485-ZhMMcFWIMvmMQyUwGKN4Zg-1; Mon, 11 May 2020 04:25:11 -0400 X-MC-Unique: ZhMMcFWIMvmMQyUwGKN4Zg-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 4C4B7461; Mon, 11 May 2020 08:25:06 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.21]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 1EF767527B; Mon, 11 May 2020 08:25:06 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id C78304A71F; Mon, 11 May 2020 08:25:05 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id 04B8OrOF031899 for ; Mon, 11 May 2020 04:24:53 -0400 Received: by smtp.corp.redhat.com (Postfix) id 604C12156A49; Mon, 11 May 2020 08:24:53 +0000 (UTC) Delivered-To: dm-devel@redhat.com Received: from mimecast-mx02.redhat.com (mimecast06.extmail.prod.ext.rdu2.redhat.com [10.11.55.22]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 5BFCB2157F23 for ; Mon, 11 May 2020 08:24:50 +0000 (UTC) Received: from us-smtp-1.mimecast.com (us-smtp-delivery-1.mimecast.com [205.139.110.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id D70E21859171 for ; Mon, 11 May 2020 08:24:50 +0000 (UTC) Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-362-BJjXXlVfNduXkGdAANJAlA-1; Mon, 11 May 2020 04:24:48 -0400 X-MC-Unique: BJjXXlVfNduXkGdAANJAlA-1 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 62B49AEC3; Mon, 11 May 2020 08:24:47 +0000 (UTC) From: Hannes Reinecke To: Mike Snitzer Date: Mon, 11 May 2020 10:24:29 +0200 Message-Id: <20200511082430.39455-15-hare@suse.de> In-Reply-To: <20200511082430.39455-1-hare@suse.de> References: <20200511082430.39455-1-hare@suse.de> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.6 X-loop: dm-devel@redhat.com Cc: Damien LeMoal , Bob Liu , dm-devel@redhat.com Subject: [dm-devel] [PATCH 14/15] dm-zoned: ignore metadata zone in dmz_alloc_zone() X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: device-mapper development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com When looking up zones in dmz_alloc_zone() we need to ignore metadata zones so as not to accidentally overwrite metadata. Signed-off-by: Hannes Reinecke Reviewed-by: Damien Le Moal Reviewed-by: Bob Liu --- drivers/md/dm-zoned-metadata.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/md/dm-zoned-metadata.c b/drivers/md/dm-zoned-metadata.c index 80c0fe4c3546..067ce010f457 100644 --- a/drivers/md/dm-zoned-metadata.c +++ b/drivers/md/dm-zoned-metadata.c @@ -1907,7 +1907,13 @@ struct dm_zone *dmz_alloc_zone(struct dmz_metadata *zmd, unsigned long flags) zone = NULL; goto again; } + if (dmz_is_meta(zone)) { + struct dmz_dev *dev = dmz_zone_to_dev(zmd, zone); + dmz_dev_warn(dev, "Zone %u has metadata", zone->id); + zone = NULL; + goto again; + } return zone; }