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dkim=none (message not signed) header.d=none;nongnu.org; dmarc=none action=none header.from=virtuozzo.com; Received: from AM7PR08MB5494.eurprd08.prod.outlook.com (2603:10a6:20b:dc::15) by AM5PR0801MB1843.eurprd08.prod.outlook.com (2603:10a6:203:3a::12) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4500.16; Wed, 15 Sep 2021 08:20:23 +0000 Received: from AM7PR08MB5494.eurprd08.prod.outlook.com ([fe80::2817:53b3:f8b4:fe22]) by AM7PR08MB5494.eurprd08.prod.outlook.com ([fe80::2817:53b3:f8b4:fe22%9]) with mapi id 15.20.4523.014; Wed, 15 Sep 2021 08:20:23 +0000 Subject: Re: [PATCH] qemu-img: Add -F shorthand to convert To: Eric Blake , qemu-devel@nongnu.org Cc: Kevin Wolf , Hanna Reitz , berrange@redhat.com, qemu-block@nongnu.org References: <20210913131735.1948339-1-eblake@redhat.com> From: Vladimir Sementsov-Ogievskiy Message-ID: <521c8ce6-1f9e-41b9-e671-47c714df45c7@virtuozzo.com> Date: Wed, 15 Sep 2021 11:20:14 +0300 User-Agent: Mozilla/5.0 (X11; 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envelope-from=vsementsov@virtuozzo.com; helo=EUR05-AM6-obe.outbound.protection.outlook.com X-Spam_score_int: -40 X-Spam_score: -4.1 X-Spam_bar: ---- X-Spam_report: (-4.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, MSGID_FROM_MTA_HEADER=0.001, NICE_REPLY_A=-1.969, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" 13.09.2021 16:17, Eric Blake wrote: > Although we have long supported 'qemu-img convert -o > backing_file=foo,backing_fmt=bar', the fact that we have a shortcut -B > for backing_file but none for backing_fmt has made it more likely that > users accidentally run into: > > qemu-img: warning: Deprecated use of backing file without explicit backing format > > when using -B instead of -o. For similarity with other qemu-img > commands, such as create and compare, add '-F $fmt' as the shorthand > for '-o backing_fmt=$fmt'. Update iotest 122 for coverage of both > spellings. > > Signed-off-by: Eric Blake Reviewed-by: Vladimir Sementsov-Ogievskiy -- Best regards, Vladimir