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block: bdrv_reopen_parse_backing(): don't check frozen child

Browse source 
bdrv_set_backing_noperm() takes care of it (actual check is in
bdrv_set_file_or_backing_noperm()), so we don't need to check it here.

While being here, improve error message a bit.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20210610120537.196183-5-vsementsov@virtuozzo.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Vladimir Sementsov-Ogievskiy 2021-06-10 15:05:32 +03:00 • committed by Kevin Wolf
parent fd26b8a089
commit bfae052a57
2 changed files with 5 additions and 17 deletions
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8
tests/qemu-iotests/245
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@ -878,7 +878,7 @@ class TestBlockdevReopen(iotests.QMPTestCase):
# We can't remove hd1 while the stream job is ongoing
opts['backing'] = None
self.reopen(opts, {}, "Cannot change 'backing' link from 'hd0' to 'hd1'")
self.reopen(opts, {}, "Cannot change frozen 'backing' link from 'hd0' to 'hd1'")
self.vm.run_job('stream0', auto_finalize = False, auto_dismiss = True)
@ -910,7 +910,7 @@ class TestBlockdevReopen(iotests.QMPTestCase):
# We can't remove hd2 while the stream job is ongoing
opts['backing']['backing'] = None
self.reopen(opts['backing'], {'read-only': False},
"Cannot change 'backing' link from 'hd1' to 'hd2'")
"Cannot change frozen 'backing' link from 'hd1' to 'hd2'")
# We can detach hd1 from hd0 because it doesn't affect the stream job
opts['backing'] = None
@ -933,11 +933,11 @@ class TestBlockdevReopen(iotests.QMPTestCase):
# We can't remove hd2 while the commit job is ongoing
opts['backing']['backing'] = None
self.reopen(opts, {}, "Cannot change 'backing' link from 'hd1' to 'hd2'")
self.reopen(opts, {}, "Cannot change frozen 'backing' link from 'hd1' to 'hd2'")
# We can't remove hd1 while the commit job is ongoing
opts['backing'] = None
self.reopen(opts, {}, "Cannot change 'backing' link from 'hd0' to 'hd1'")
self.reopen(opts, {}, "Cannot change frozen 'backing' link from 'hd0' to 'hd1'")
event = self.vm.event_wait(name='BLOCK_JOB_READY')
self.assert_qmp(event, 'data/device', 'commit0')