Comment 3 for bug 1999625

 Could you please check if the latest changes to the man page went in? Please see https://git.kernel.org/pub/scm/docs/man-pages/man-pages.git/tree/man2/copy_file_range.2?id=4cf763f7cf83d1fd713c7467ebbe15ca9b0ca749
May be grep for "backported to earlier stable kernels".

    On Thursday, 15 December, 2022 at 01:30:16 am IST, Gunnar Hjalmarsson <email address hidden> wrote:

 That commit is included in the development version (coming Ubuntu
23.04).

$ lsb_release -irs
Ubuntu
23.04
$ dpkg-query -W manpages-dev
manpages-dev    6.01-1
$ man 2 copy_file_range | grep EOPNOTSUPP
      EOPNOTSUPP (since Linux 5.12)

** Package changed: ubuntu-docs (Ubuntu) => manpages (Ubuntu)

** Changed in: manpages (Ubuntu)
      Status: New => Fix Released

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https://bugs.launchpad.net/bugs/1999625

Title:
  man page for copy_file_range() not up to date with mainstream

Status in manpages package in Ubuntu:
  Fix Released

Bug description:
  The man page for copy_file_range() system call is not up to date with
  the corresponding mainline kernel release. For example, the contents
  of the following commit is not there when I run man 2 copy_file_range:

  https://git.kernel.org/pub/scm/docs/man-pages/man-
  pages.git/commit/?id=d7ba612d0ab10af2ed4e367306784212cc3f3595

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