From patchwork Fri Mar 1 20:47:18 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthew Sakai X-Patchwork-Id: 13579085 X-Patchwork-Delegate: snitzer@redhat.com Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 05E6055E4C for ; Fri, 1 Mar 2024 20:47:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709326044; cv=none; b=RFOSJRh6lDfQ8Q36rwv6UMn71/t4FNM1T3w8Ue7CzPxhqQnajoIjlKRa6LNxxshtRO7r0YhHlh29YMWc9tagj61Ks8sy6dzq1aw2bDA1lUpzDK/ZrqOrgULlmsm42uxNG8vGJ1mLe9ux7mbIrZBwB24W/wrI5J540bDt3ZHGjX0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709326044; c=relaxed/simple; bh=ThIKAFo4X7DUlanECkGzj15FS2psSyjvMCYn6JqTcSY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=IlVb0vaK9Gmw8SvIWFpq464CY9lj0U7DsmiHbz6qkwXYgPWXror2Bcw1qd1ZroMatbyraW9RFsXYdXdwWHBxZ9p5aYaBFWXHgGOJlhHIJtlrgrLg9foY3qLKtFCEsTRqF8No83Sqwzqo5DVHg1IHCP+QpjrmvXHKxefu/DZVLeM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=RtRLpcZe; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="RtRLpcZe" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1709326042; h=from:from: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; bh=w8Z5/g6zwvPw5AojOVC4QhFCl1G9nISkmW2IkqYEWis=; b=RtRLpcZeQtZ33s0AVNDttIlvHWTWGP3KKYwOtorT7JL0blEzjLv2+JsRbPsiboATWOlPCP CQC1/Rt0EaSAkkkuHnwMQnCOn30D/HTaMWU9hXxiz6vyJi3W6ZXSOZv1jtB9R/mFHZbucs hE6ew0hm1IwtezNPo0akFA784IreU9M= Received: from mimecast-mx02.redhat.com (mx-ext.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-256-FAL85yRMNy-OmikNN83jkQ-1; Fri, 01 Mar 2024 15:47:20 -0500 X-MC-Unique: FAL85yRMNy-OmikNN83jkQ-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.rdu2.redhat.com [10.11.54.2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 20D1D1C05AD4 for ; Fri, 1 Mar 2024 20:47:20 +0000 (UTC) Received: from vdo-builder-msakai.permabit.com (vdo-builder-msakai.permabit.lab.eng.bos.redhat.com [10.0.103.170]) by smtp.corp.redhat.com (Postfix) with ESMTP id 0D380400D295; Fri, 1 Mar 2024 20:47:20 +0000 (UTC) Received: by vdo-builder-msakai.permabit.com (Postfix, from userid 1138) id 0880CA1B82; Fri, 1 Mar 2024 15:47:20 -0500 (EST) From: Matthew Sakai To: dm-devel@lists.linux.dev Cc: Ken Raeburn , Matthew Sakai Subject: [PATCH 3/4] dm vdo: document log_level parameter Date: Fri, 1 Mar 2024 15:47:18 -0500 Message-ID: In-Reply-To: References: Precedence: bulk X-Mailing-List: dm-devel@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.2 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com From: Ken Raeburn Signed-off-by: Ken Raeburn Signed-off-by: Matthew Sakai --- Documentation/admin-guide/device-mapper/vdo.rst | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/Documentation/admin-guide/device-mapper/vdo.rst b/Documentation/admin-guide/device-mapper/vdo.rst index a199009979d9..a3572582ead8 100644 --- a/Documentation/admin-guide/device-mapper/vdo.rst +++ b/Documentation/admin-guide/device-mapper/vdo.rst @@ -315,6 +315,13 @@ GB of RAM per 1 TB of window. For sparse indexes, the index requires 1 GB of RAM per 10 TB of window. The index configuration is set when the target is formatted and may not be modified. +Module Parameters +================= + +The vdo driver has a numeric parameter 'log_level' which controls the +verbosity of logging from the driver. The default setting is 6 +(LOGLEVEL_INFO and more severe messages). + Run-time Usage ==============