On Thu, 06 Oct 2016 at 22:12:28 +0200, Guilhem Moulin wrote: > Looking at the hook script's diff since 1.7.0-2 it's unclear to me > what now causes the warning to appear.
For the record, this is because up to 2:1.7.0-1 get_fs_devices() used to prefix the list of underlying devices with a space " " character for btrfs. Hence $rootdevs was never empty regardless of the value returned by canonical_device(). -- Guilhem.
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