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Tue, 9 Jul 2019 18:38:56 +0000 (UTC) Received: from dresden.str.redhat.com (unknown [10.40.205.188]) by smtp.corp.redhat.com (Postfix) with ESMTPS id B4A4892F90; Tue, 9 Jul 2019 18:38:44 +0000 (UTC) To: John Snow , qemu-devel@nongnu.org, qemu-block@nongnu.org References: <20190705201631.26266-1-jsnow@redhat.com> <20190705201631.26266-7-jsnow@redhat.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: Date: Tue, 9 Jul 2019 20:38:43 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0 MIME-Version: 1.0 In-Reply-To: <20190705201631.26266-7-jsnow@redhat.com> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="s0L53K2FTJqWS5V1rxMfuWMGPPwbLTj2g" 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 [10.5.110.26]); Tue, 09 Jul 2019 18:38:56 +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 v3 06/18] block/backup: add 'never' policy to bitmap sync mode 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 Zheng , Kevin Wolf , vsementsov@virtuozzo.com, Juan Quintela , Wen Congyang , Xie Changlong , "Dr. David Alan Gilbert" , Markus Armbruster , Stefan Hajnoczi 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) --s0L53K2FTJqWS5V1rxMfuWMGPPwbLTj2g Content-Type: multipart/mixed; boundary="waIkAcgYc6XWZAZvhcN7skXolUYj9ZcMR"; protected-headers="v1" From: Max Reitz To: John Snow , qemu-devel@nongnu.org, qemu-block@nongnu.org Cc: Fam Zheng , Wen Congyang , Kevin Wolf , "Dr. David Alan Gilbert" , eblake@redhat.com, vsementsov@virtuozzo.com, Xie Changlong , Stefan Hajnoczi , Juan Quintela , Markus Armbruster Message-ID: Subject: Re: [PATCH v3 06/18] block/backup: add 'never' policy to bitmap sync mode References: <20190705201631.26266-1-jsnow@redhat.com> <20190705201631.26266-7-jsnow@redhat.com> In-Reply-To: <20190705201631.26266-7-jsnow@redhat.com> --waIkAcgYc6XWZAZvhcN7skXolUYj9ZcMR Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 05.07.19 22:16, John Snow wrote: > This adds a "never" policy for bitmap synchronization. Regardless of if= > the job succeeds or fails, we never update the bitmap. This can be used= > to perform differential backups, or simply to avoid the job modifying a= > bitmap. >=20 > Signed-off-by: John Snow > --- > block/backup.c | 7 +++++-- > qapi/block-core.json | 5 ++++- > 2 files changed, 9 insertions(+), 3 deletions(-) Reviewed-by: Max Reitz --waIkAcgYc6XWZAZvhcN7skXolUYj9ZcMR-- --s0L53K2FTJqWS5V1rxMfuWMGPPwbLTj2g Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEkb62CjDbPohX0Rgp9AfbAGHVz0AFAl0k3zMACgkQ9AfbAGHV z0CvGggAqJI7wO4+Vh5Hx9MiQUHXzmITHgBfSXDO0I9AzH7lavVjy/rliAX5SKVz s+TrWzAERHJxoCuGora70pRE/S7bmSF/a/yv44Zw1NZ65C9JidJS+fBvuoXXWaC0 DQtM2IBRNaZ10HJ2uLfCUCdRQeSmzmKNh3xDatfskLo3Y/xY47Ri+LhtN0pVi9lh 8tD0M81DcDHgFCnw0/y8Dra4ticcs88/lq7tHSfqk1BO0bCTQhSamvGNUT2zBULL ow11pfo/8Q6azNIKmzBqm/WS8W7qOI3vbM8Dh7dPJQ2+sZBTl7XQ89hKw8PRN/o2 mfShFBYzi22T3Fb+yJmh9I8rbI9DLg== =VHAf -----END PGP SIGNATURE----- --s0L53K2FTJqWS5V1rxMfuWMGPPwbLTj2g--