GetUsrDeviceNode: Use rootdev tool to resolve backing blockdev #453
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The use of findmnt, and possibly falling back to dmsetup info is fragile and does not work well with, e.g., btrfs. Use the rootdev tool from the seismograph repo to resolve the backing device.
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The use of findmnt, and possibly falling back to dmsetup info is fragile and does not work well with, e.g., btrfs.
Use the rootdev tool from the seismograph repo to resolve the backing device.
How to use
For flatcar/scripts#1170
Testing done
See linked PR