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| H A D | block.c | diff b11c8739ae38166acac0669cee94b7e236ccb639 Mon Sep 20 06:55:37 CDT 2021 Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> block: bdrv_insert_node(): don't use bdrv_open()
Use bdrv_new_open_driver_opts() instead of complicated bdrv_open().
Among other extra things bdrv_open() also check for white-listed
formats, which we don't want for internal node creation: currently
backup doesn't work when copy-before-write filter is not white-listed.
As well block-stream doesn't work when copy-on-read is not
white-listed.
Fixes: 751cec7a261adaf1145dc7adf6de7c9c084e5a0b
Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=2004812
Reported-by: Yanan Fu
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20210920115538.264372-5-vsementsov@virtuozzo.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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