tree cdb4365e00cb427a86cf7fa82c2621798aaf5c8b
parent 137b4d4bd506bd42c18718f3f8b43a2d7c3346a8
author Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru> 1710343699 +0300
committer Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru> 1716900735 +0300

block/copy-before-write: support unligned snapshot-discard

First thing that crashes on unligned access here is
bdrv_reset_dirty_bitmap(). Correct way is to align-down the
snapshot-discard request.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Reviewed-by: Fiona Ebner <f.ebner@proxmox.com>
Tested-by: Fiona Ebner <f.ebner@proxmox.com>
Message-Id: <20240313152822.626493-3-vsementsov@yandex-team.ru>
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>