Your bug report

#79139: cp --reflink truncates sparse files on ZFS

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

The explanation is attached below, along with your original report.
If you require more details, please reply to 79139@debbugs.gnu.org.

-- 
79139: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=79139
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