Your bug report

#31889: Filesystems must not depend on device mappings?

which was filed against the guix package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 31889@debbugs.gnu.org.

-- 
31889: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=31889
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