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Try to get Btrfs volume UUID using libblockdev if UDev lookup fails #936

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merged 1 commit into from May 5, 2021
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Try to get Btrfs volume UUID using libblockdev if UDev lookup fails #936

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8 changes: 8 additions & 0 deletions blivet/devices/btrfs.py
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Expand Up @@ -430,6 +430,14 @@ def _post_create(self):
else:
self.format.vol_uuid = udev.device_get_uuid(info)

if not self.format.vol_uuid:
try:
bd_info = blockdev.btrfs.filesystem_info(self.parents[0].path)
except blockdev.BtrfsError as e:
log.error("failed to get filesystem info for new btrfs volume %s", e)
else:
self.format.vol_uuid = bd_info.uuid

self.format.exists = True
self.original_format.exists = True

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