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block-backend: improve blk_root_get_parent_desc()

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We have different types of parents: block nodes, block backends and
jobs. So, it makes sense to specify type together with name.

While being here also use g_autofree.

iotest 307 output is updated.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Message-Id: <20210601075218.79249-3-vsementsov@virtuozzo.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Vladimir Sementsov-Ogievskiy 2021-06-01 10:52:14 +03:00 • committed by Kevin Wolf
parent f8d2ad7881
commit fd240a184b
2 changed files with 5 additions and 6 deletions
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2
tests/qemu-iotests/307.out
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@ -53,7 +53,7 @@ exports available: 1
=== Add a writable export ===
{"execute": "block-export-add", "arguments": {"description": "This is the writable second export", "id": "export1", "name": "export1", "node-name": "fmt", "type": "nbd", "writable": true, "writethrough": true}}
{"error": {"class": "GenericError", "desc": "Conflicts with use by sda as 'root', which does not allow 'write' on fmt"}}
{"error": {"class": "GenericError", "desc": "Conflicts with use by block device 'sda' as 'root', which does not allow 'write' on fmt"}}
{"execute": "device_del", "arguments": {"id": "sda"}}
{"return": {}}
{"data": {"device": "sda", "path": "/machine/peripheral/sda"}, "event": "DEVICE_DELETED", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}