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Mon, 9 Sep 2019 09:12:31 +0000 (UTC) To: Vladimir Sementsov-Ogievskiy , "qemu-block@nongnu.org" References: <20190826161312.489398-1-vsementsov@virtuozzo.com> <20190826161312.489398-14-vsementsov@virtuozzo.com> <0a166308-7492-7489-be60-50e150beebc1@virtuozzo.com> <9efd8378-2e19-b3f4-e449-0d46719baebb@virtuozzo.com> From: Max Reitz Openpgp: preference=signencrypt Autocrypt: addr=mreitz@redhat.com; prefer-encrypt=mutual; keydata= mQENBFXOJlcBCADEyyhOTsoa/2ujoTRAJj4MKA21dkxxELVj3cuILpLTmtachWj7QW+TVG8U /PsMCFbpwsQR7oEy8eHHZwuGQsNpEtNC2G/L8Yka0BIBzv7dEgrPzIu+W3anZXQW4702+uES U29G8TP/NGfXRRHGlbBIH9KNUnOSUD2vRtpOLXkWsV5CN6vQFYgQfFvmp5ZpPeUe6xNplu8V mcTw8OSEDW/ZnxJc8TekCKZSpdzYoxfzjm7xGmZqB18VFwgJZlIibt1HE0EB4w5GsD7x5ekh awIe3RwoZgZDLQMdOitJ1tUc8aqaxvgA4tz6J6st8D8pS//m1gAoYJWGwwIVj1DjTYLtABEB AAG0HU1heCBSZWl0eiA8bXJlaXR6QHJlZGhhdC5jb20+iQFTBBMBCAA9AhsDBQkSzAMABQsJ CAcCBhUICQoLAgQWAgMBAh4BAheABQJVzie5FRhoa3A6Ly9rZXlzLmdudXBnLm5ldAAKCRD0 B9sAYdXPQDcIB/9uNkbYEex1rHKz3mr12uxYMwLOOFY9fstP5aoVJQ1nWQVB6m2cfKGdcRe1 2/nFaHSNAzT0NnKz2MjhZVmcrpyd2Gp2QyISCfb1FbT82GMtXFj1wiHmPb3CixYmWGQUUh+I AvUqsevLA+WihgBUyaJq/vuDVM1/K9Un+w+Tz5vpeMidlIsTYhcsMhn0L9wlCjoucljvbDy/ 8C9L2DUdgi3XTa0ORKeflUhdL4gucWoAMrKX2nmPjBMKLgU7WLBc8AtV+84b9OWFML6NEyo4 4cP7cM/07VlJK53pqNg5cHtnWwjHcbpGkQvx6RUx6F1My3y52vM24rNUA3+ligVEgPYBuQEN BFXOJlcBCADAmcVUNTWT6yLWQHvxZ0o47KCP8OcLqD+67T0RCe6d0LP8GsWtrJdeDIQk+T+F xO7DolQPS6iQ6Ak2/lJaPX8L0BkEAiMuLCKFU6Bn3lFOkrQeKp3u05wCSV1iKnhg0UPji9V2 W5eNfy8F4ZQHpeGUGy+liGXlxqkeRVhLyevUqfU0WgNqAJpfhHSGpBgihUupmyUg7lfUPeRM DzAN1pIqoFuxnN+BRHdAecpsLcbR8sQddXmDg9BpSKozO/JyBmaS1RlquI8HERQoe6EynJhd 64aICHDfj61rp+/0jTIcevxIIAzW70IadoS/y3DVIkuhncgDBvGbF3aBtjrJVP+5ABEBAAGJ ASUEGAEIAA8FAlXOJlcCGwwFCRLMAwAACgkQ9AfbAGHVz0CbFwf9F/PXxQR9i4N0iipISYjU sxVdjJOM2TMut+ZZcQ6NSMvhZ0ogQxJ+iEQ5OjnIputKvPVd5U7WRh+4lF1lB/NQGrGZQ1ic alkj6ocscQyFwfib+xIe9w8TG1CVGkII7+TbS5pXHRxZH1niaRpoi/hYtgzkuOPp35jJyqT/ /ELbqQTDAWcqtJhzxKLE/ugcOMK520dJDeb6x2xVES+S5LXby0D4juZlvUj+1fwZu+7Io5+B bkhSVPb/QdOVTpnz7zWNyNw+OONo1aBUKkhq2UIByYXgORPFnbfMY7QWHcjpBVw9MgC4tGeF R4bv+1nAMMxKmb5VvQCExr0eFhJUAHAhVg== Message-ID: <1e9afd7e-5494-6316-0723-5634a283b9f6@redhat.com> Date: Mon, 9 Sep 2019 11:12:30 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <9efd8378-2e19-b3f4-e449-0d46719baebb@virtuozzo.com> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="aRGCOXpvRHu0oOKeotYaZzb6GxHWtUnQG" X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.6.2 (mx1.redhat.com [10.5.110.62]); Mon, 09 Sep 2019 09:12:41 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: Re: [Qemu-devel] [PATCH v9 13/13] block/backup: use backup-top instead of write notifiers 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: , Cc: "fam@euphon.net" , "kwolf@redhat.com" , Denis Lunev , "wencongyang2@huawei.com" , "xiechanglong.d@gmail.com" , "qemu-devel@nongnu.org" , "armbru@redhat.com" , "jsnow@redhat.com" , "stefanha@redhat.com" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --aRGCOXpvRHu0oOKeotYaZzb6GxHWtUnQG Content-Type: multipart/mixed; boundary="lIJt4HfDJbHxpXqqzrQIRrjVkZXsYoOhn"; protected-headers="v1" From: Max Reitz To: Vladimir Sementsov-Ogievskiy , "qemu-block@nongnu.org" Cc: "qemu-devel@nongnu.org" , "eblake@redhat.com" , "armbru@redhat.com" , "xiechanglong.d@gmail.com" , "wencongyang2@huawei.com" , "fam@euphon.net" , "stefanha@redhat.com" , "jsnow@redhat.com" , "kwolf@redhat.com" , Denis Lunev Message-ID: <1e9afd7e-5494-6316-0723-5634a283b9f6@redhat.com> Subject: Re: [PATCH v9 13/13] block/backup: use backup-top instead of write notifiers References: <20190826161312.489398-1-vsementsov@virtuozzo.com> <20190826161312.489398-14-vsementsov@virtuozzo.com> <0a166308-7492-7489-be60-50e150beebc1@virtuozzo.com> <9efd8378-2e19-b3f4-e449-0d46719baebb@virtuozzo.com> In-Reply-To: <9efd8378-2e19-b3f4-e449-0d46719baebb@virtuozzo.com> --lIJt4HfDJbHxpXqqzrQIRrjVkZXsYoOhn Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 03.09.19 10:06, Vladimir Sementsov-Ogievskiy wrote: > 02.09.2019 19:34, Max Reitz wrote: [...] >> I=E2=80=99m not saying that we need to abandon having BBs right now, b= ut I think >> there are a couple of cases which show why I say it=E2=80=99s uglier t= han using >> BdrvChildren instead. >> >=20 > OK. I'd prefer to move block-copy to BdrvChildren as follow-up, if you = don't mind. Yep, sure, that=E2=80=99s A-OK with me. Max --lIJt4HfDJbHxpXqqzrQIRrjVkZXsYoOhn-- --aRGCOXpvRHu0oOKeotYaZzb6GxHWtUnQG Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEkb62CjDbPohX0Rgp9AfbAGHVz0AFAl12F34ACgkQ9AfbAGHV z0DO8Af+PMOwJ7v9TmBxdnroDp1+wicS9K4jynVbo0uyAnVen6QHupSoXYwSUNEe NH+3wHHP7wryrf3wH1Fxgs2hQFXOAW/fKZpJZO/TRYp5jUbo1uOTdMbAuXlknyuW HPj2c/P/u0Kctgagzn9jSb5A/6i31KdEQj6W94AvUsv/BSjlErp+IPNbF1BoZOo1 ghQv6bZXNgkSfpIgyWuXov8VlWPH/egO6MEK/7Dl+/b1G2KE1vNfuiwOW/xSrkei GQjizohtdKNo3Rf2W6B34TGK4X+Y/IszBk+9q14Ls3U9LLBISlA2kFFkPzHRc5yU kdZ7BXL2L9RUua9RV1y/ZXBws2rdOQ== =upj+ -----END PGP SIGNATURE----- --aRGCOXpvRHu0oOKeotYaZzb6GxHWtUnQG--