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authorLennart Poettering <lennart@poettering.net>2015-06-15 17:53:50 +0200
committerLennart Poettering <lennart@poettering.net>2015-06-15 18:11:11 +0200
commit90578cbd71812c0f1b6d151c708cb00bbb359053 (patch)
treef66c6c9254ea001a2199776f668f65b98e8931f8 /src/test/test-udev.c
parent0c33502bed83f2775d77c992fe621ec85e75ab2a (diff)
btrfs-util: when snapshotting make sure we don't descent into subvolumes we just created
We already had a safety check in place that we don't end up descending to the original subvolume again, but we also should avoid descending in the newly created one. This is particularly important if we make a snapshot below its source, like we do in "systemd-nspawn --ephemeral -D /". Closes https://bugs.freedesktop.org/show_bug.cgi?id=90803
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