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Wed, 8 Apr 2020 11:12:56 +0000 (UTC) Subject: Re: [PATCH v4 09/30] qcow2: Add subcluster-related fields to BDRVQcow2State To: Alberto Garcia , qemu-devel@nongnu.org References: From: Max Reitz 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: <702898d1-1758-6965-a357-1989441fa3c2@redhat.com> Date: Wed, 8 Apr 2020 13:12:55 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.6.0 MIME-Version: 1.0 In-Reply-To: X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="s7wkdHfXGaRQbCwgbbxkSMK7PgWXJXJUT" X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 205.139.110.61 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: Kevin Wolf , Anton Nefedov , qemu-block@nongnu.org, Vladimir Sementsov-Ogievskiy , "Denis V . Lunev" 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) --s7wkdHfXGaRQbCwgbbxkSMK7PgWXJXJUT Content-Type: multipart/mixed; boundary="Lw7e053fU25FhyCRM58P7BvMJuH0wBQsy" --Lw7e053fU25FhyCRM58P7BvMJuH0wBQsy Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 17.03.20 19:16, Alberto Garcia wrote: > This patch adds the following new fields to BDRVQcow2State: >=20 > - subclusters_per_cluster: Number of subclusters in a cluster > - subcluster_size: The size of each subcluster, in bytes > - subcluster_bits: No. of bits so 1 << subcluster_bits =3D subcluster_siz= e >=20 > Images without subclusters are treated as if they had exactly one, > with subcluster_size =3D cluster_size. >=20 > Signed-off-by: Alberto Garcia > --- > block/qcow2.h | 5 +++++ > block/qcow2.c | 5 +++++ > 2 files changed, 10 insertions(+) Reviewed-by: Max Reitz --Lw7e053fU25FhyCRM58P7BvMJuH0wBQsy-- --s7wkdHfXGaRQbCwgbbxkSMK7PgWXJXJUT Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEkb62CjDbPohX0Rgp9AfbAGHVz0AFAl6NsbcACgkQ9AfbAGHV z0Di0AgAvGCYdJzAQ9vmLXs1JGahwGEhv+eZ1wSBcgmjoG9yWcOhmfJJkjID1i2X atQuhhR6j+6esAP4doRgBvmpQpa0bwtR5ctAUs5u/a+BHl+g/spSh9aLHl97sf4E REsdVGAPa44H8m0BCF3SOJcVOlnDVMxEJyXxqTmLDe0zGJYxhbZUSC5+xtF5q05D z68XTvauR50XdeYSR55lYxqYvHYSQCG+Dtv5Jzx5cQaD7TCsNwtx7hEvsiYK7fpv jw+f++xfqtUQKFFUiSXMSb0e51cXjQJRnvvOFTwIIplRtWXekvayLy8y1KFnoCrF ar4GgL85DUrpLYXeKr53i57OsI1AuA== =LgiQ -----END PGP SIGNATURE----- --s7wkdHfXGaRQbCwgbbxkSMK7PgWXJXJUT--