Comment 7 for bug 1853193

The release/2.29/master branch has been updated by Florian Weimer <email address hidden>:

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=da347f4aa3a67e018f19e51a7ece6add87dba5cf

commit da347f4aa3a67e018f19e51a7ece6add87dba5cf
Author: Florian Weimer <email address hidden>
Date: Fri Jun 28 09:39:21 2019 +0200

    io: Remove copy_file_range emulation [BZ #24744]

    The kernel is evolving this interface (e.g., removal of the
    restriction on cross-device copies), and keeping up with that
    is difficult. Applications which need the function should
    run kernels which support the system call instead of relying on
    the imperfect glibc emulation.

    Reviewed-by: Adhemerval Zanella <email address hidden>
    (cherry picked from commit 5a659ccc0ec217ab02a4c273a1f6d346a359560a)