From nobody Mon Feb 9 01:16:17 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1493214644736580.4608965774789; Wed, 26 Apr 2017 06:50:44 -0700 (PDT) Received: from localhost ([::1]:55348 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d3NL9-0004T9-7n for importer@patchew.org; Wed, 26 Apr 2017 09:50:43 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:49639) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d3NHe-0001be-HE for qemu-devel@nongnu.org; Wed, 26 Apr 2017 09:47:07 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1d3NHd-0002NB-DQ for qemu-devel@nongnu.org; Wed, 26 Apr 2017 09:47:06 -0400 Received: from mx1.redhat.com ([209.132.183.28]:38606) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1d3NHY-0002LF-EX; Wed, 26 Apr 2017 09:47:00 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 57CBC81F01; Wed, 26 Apr 2017 13:46:59 +0000 (UTC) Received: from localhost (ovpn-204-67.brq.redhat.com [10.40.204.67]) by smtp.corp.redhat.com (Postfix) with ESMTPS id D64CC9328B; Wed, 26 Apr 2017 13:46:58 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 57CBC81F01 Authentication-Results: ext-mx01.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx01.extmail.prod.ext.phx2.redhat.com; spf=pass smtp.mailfrom=mreitz@redhat.com DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.redhat.com 57CBC81F01 From: Max Reitz To: qemu-block@nongnu.org Date: Wed, 26 Apr 2017 15:46:49 +0200 Message-Id: <20170426134649.9042-4-mreitz@redhat.com> In-Reply-To: <20170426134649.9042-1-mreitz@redhat.com> References: <20170426134649.9042-1-mreitz@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.25]); Wed, 26 Apr 2017 13:46:59 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH v2 3/3] qemu-img: Document backing options X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , qemu-devel@nongnu.org, Max Reitz Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" The create and convert subcommands have shorthands to set the backing_file and, in the case of create, the backing_fmt options for the new image. However, they have not been documented so far, which is remedied by this patch. Reported-by: Eric Blake Signed-off-by: Max Reitz Reviewed-by: Eric Blake --- qemu-img-cmds.hx | 8 ++++---- qemu-img.texi | 4 ++-- 2 files changed, 6 insertions(+), 6 deletions(-) diff --git a/qemu-img-cmds.hx b/qemu-img-cmds.hx index 8ac78222af..bf4ce59019 100644 --- a/qemu-img-cmds.hx +++ b/qemu-img-cmds.hx @@ -22,9 +22,9 @@ STEXI ETEXI =20 DEF("create", img_create, - "create [-q] [--object objectdef] [-f fmt] [-o options] filename [size= ]") + "create [-q] [--object objectdef] [-f fmt] [-b backing_file] [-F backi= ng_fmt] [-o options] filename [size]") STEXI -@item create [--object @var{objectdef}] [-q] [-f @var{fmt}] [-o @var{optio= ns}] @var{filename} [@var{size}] +@item create [--object @var{objectdef}] [-q] [-f @var{fmt}] [-b @var{backi= ng_file}] [-F @var{backing_fmt}] [-o @var{options}] @var{filename} [@var{si= ze}] ETEXI =20 DEF("commit", img_commit, @@ -40,9 +40,9 @@ STEXI ETEXI =20 DEF("convert", img_convert, - "convert [--object objectdef] [--image-opts] [-c] [-p] [-q] [-n] [-f f= mt] [-t cache] [-T src_cache] [-O output_fmt] [-o options] [-s snapshot_id_= or_name] [-l snapshot_param] [-S sparse_size] [-m num_coroutines] [-W] file= name [filename2 [...]] output_filename") + "convert [--object objectdef] [--image-opts] [-c] [-p] [-q] [-n] [-f f= mt] [-t cache] [-T src_cache] [-O output_fmt] [-B backing_file] [-o options= ] [-s snapshot_id_or_name] [-l snapshot_param] [-S sparse_size] [-m num_cor= outines] [-W] filename [filename2 [...]] output_filename") STEXI -@item convert [--object @var{objectdef}] [--image-opts] [-c] [-p] [-q] [-n= ] [-f @var{fmt}] [-t @var{cache}] [-T @var{src_cache}] [-O @var{output_fmt}= ] [-o @var{options}] [-s @var{snapshot_id_or_name}] [-l @var{snapshot_param= }] [-S @var{sparse_size}] [-m @var{num_coroutines}] [-W] @var{filename} [@v= ar{filename2} [...]] @var{output_filename} +@item convert [--object @var{objectdef}] [--image-opts] [-c] [-p] [-q] [-n= ] [-f @var{fmt}] [-t @var{cache}] [-T @var{src_cache}] [-O @var{output_fmt}= ] [-B @var{backing_file}] [-o @var{options}] [-s @var{snapshot_id_or_name}]= [-l @var{snapshot_param}] [-S @var{sparse_size}] [-m @var{num_coroutines}]= [-W] @var{filename} [@var{filename2} [...]] @var{output_filename} ETEXI =20 DEF("dd", img_dd, diff --git a/qemu-img.texi b/qemu-img.texi index c81db3e81c..8c573ae010 100644 --- a/qemu-img.texi +++ b/qemu-img.texi @@ -224,7 +224,7 @@ If @code{-r} is specified, exit codes representing the = image state refer to the state after (the attempt at) repairing it. That is, a successful @code{-r = all} will yield the exit code 0, independently of the image state before. =20 -@item create [-f @var{fmt}] [-o @var{options}] @var{filename} [@var{size}] +@item create [-f @var{fmt}] [-b @var{backing_file}] [-F @var{backing_fmt}]= [-o @var{options}] @var{filename} [@var{size}] =20 Create the new disk image @var{filename} of size @var{size} and format @var{fmt}. Depending on the file format, you can add one or more @var{opti= ons} @@ -302,7 +302,7 @@ Error on reading data =20 @end table =20 -@item convert [-c] [-p] [-n] [-f @var{fmt}] [-t @var{cache}] [-T @var{src_= cache}] [-O @var{output_fmt}] [-o @var{options}] [-s @var{snapshot_id_or_na= me}] [-l @var{snapshot_param}] [-m @var{num_coroutines}] [-W] [-S @var{spar= se_size}] @var{filename} [@var{filename2} [...]] @var{output_filename} +@item convert [-c] [-p] [-n] [-f @var{fmt}] [-t @var{cache}] [-T @var{src_= cache}] [-O @var{output_fmt}] [-B @var{backing_file}] [-o @var{options}] [-= s @var{snapshot_id_or_name}] [-l @var{snapshot_param}] [-m @var{num_corouti= nes}] [-W] [-S @var{sparse_size}] @var{filename} [@var{filename2} [...]] @v= ar{output_filename} =20 Convert the disk image @var{filename} or a snapshot @var{snapshot_param}(@= var{snapshot_id_or_name} is deprecated) to disk image @var{output_filename} using format @var{output_fmt}. It can = be optionally compressed (@code{-c} --=20 2.12.2