Merge remote-tracking branch 'remotes/ericb/tags/pull-bitmaps-2021-02-12' into staging

bitmaps patches for 2021-02-12

- add 'transform' member to manipulate bitmaps across migration
- work towards

Merge remote-tracking branch 'remotes/ericb/tags/pull-bitmaps-2021-02-12' into staging

bitmaps patches for 2021-02-12

- add 'transform' member to manipulate bitmaps across migration
- work towards better error handling during bdrv_open

# gpg: Signature made Fri 12 Feb 2021 23:19:39 GMT
# gpg: using RSA key 71C2CC22B1C4602927D2F3AAA7A16B4A2527436A
# gpg: Good signature from "Eric Blake <eblake@redhat.com>" [full]
# gpg: aka "Eric Blake (Free Software Programmer) <ebb9@byu.net>" [full]
# gpg: aka "[jpeg image of size 6874]" [full]
# Primary key fingerprint: 71C2 CC22 B1C4 6029 27D2 F3AA A7A1 6B4A 2527 436A

* remotes/ericb/tags/pull-bitmaps-2021-02-12:
block: use return status of bdrv_append()
block: return status from bdrv_append and friends
qemu-iotests: 300: Add test case for modifying persistence of bitmap
migration: dirty-bitmap: Allow control of bitmap persistence
migration: dirty-bitmap: Use struct for alias map inner members

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

qemu-iotests: 300: Add test case for modifying persistence of bitmap

Verify that the modification of the bitmap persistence over migration
which is controlled via BitmapMigrationBitmapAliasTransform

qemu-iotests: 300: Add test case for modifying persistence of bitmap

Verify that the modification of the bitmap persistence over migration
which is controlled via BitmapMigrationBitmapAliasTransform works
properly.

Based on TestCrossAliasMigration

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Message-Id: <d9c8e9827e9b6001b2dd1b92e64aab858e6d2a86.1613150869.git.pkrempa@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
[eblake: Adjust test for explicit read_zeroes=False]
Signed-off-by: Eric Blake <eblake@redhat.com>

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Merge remote-tracking branch 'remotes/ericb/tags/pull-bitmaps-2020-08-21' into staging

bitmaps patches for 2020-08-21

- Andrey Shinkevich: Enhance qcow2.py for iotest inspection of qcow2 images
- M

Merge remote-tracking branch 'remotes/ericb/tags/pull-bitmaps-2020-08-21' into staging

bitmaps patches for 2020-08-21

- Andrey Shinkevich: Enhance qcow2.py for iotest inspection of qcow2 images
- Max Reitz: Add block-bitmap-mapping migration parameter

# gpg: Signature made Fri 21 Aug 2020 15:05:07 BST
# gpg: using RSA key 71C2CC22B1C4602927D2F3AAA7A16B4A2527436A
# gpg: Good signature from "Eric Blake <eblake@redhat.com>" [full]
# gpg: aka "Eric Blake (Free Software Programmer) <ebb9@byu.net>" [full]
# gpg: aka "[jpeg image of size 6874]" [full]
# Primary key fingerprint: 71C2 CC22 B1C4 6029 27D2 F3AA A7A1 6B4A 2527 436A

* remotes/ericb/tags/pull-bitmaps-2020-08-21:
iotests: Test node/bitmap aliases during migration
iotests.py: Let wait_migration() return on failure
migration: Add block-bitmap-mapping parameter
iotests: dump QCOW2 header in JSON in #303
qcow2_format.py: support dumping metadata in JSON format
qcow2_format.py: collect fields to dump in JSON format
qcow2.py: Introduce '-j' key to dump in JSON format
qcow2_format.py: Dump bitmap table serialized entries
qcow2_format.py: pass cluster size to substructures
qcow2_format.py: Dump bitmap directory information
qcow2_format.py: dump bitmap flags in human readable way.
qcow2_format.py: change Qcow2BitmapExt initialization method
qcow2_format.py: make printable data an extension class member
iotests: add test for QCOW2 header dump

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

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iotests: Test node/bitmap aliases during migration

Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-Id: <20200820150725.68687-4-mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Tes

iotests: Test node/bitmap aliases during migration

Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-Id: <20200820150725.68687-4-mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Tested-by: Eric Blake <eblake@redhat.com>
[eblake: fold in python cleanups recommended by Vladimir]
Signed-off-by: Eric Blake <eblake@redhat.com>

show more ...