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| H A D | blockdev.c | diff 2842ff2d81ddd86b1d0dd3b98c46b72bfa5cb4cb Tue Jun 08 12:18:52 CDT 2021 Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> blockdev: fix drive-backup transaction endless drained section
drive_backup_prepare() does bdrv_drained_begin() in hope that
bdrv_drained_end() will be called in drive_backup_clean(). Still we
need to set state->bs for this to work. That's done too late: a lot of
failure paths in drive_backup_prepare() miss setting state->bs. Fix
that.
Fixes: 2288ccfac96281c316db942d10e3f921c1373064
Fixes: https://gitlab.com/qemu-project/qemu/-/issues/399
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20210608171852.250775-1-vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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