On Sat, Jan 2, 2021 at 11:28 AM Matthias Apitz <g...@unixarea.de> wrote:
> El día sábado, enero 02, 2021 a las 05:06:05p. m. +0000, Rick Macklem > escribió: > > > Just fyi, I've reproduced the problem. > > All I did was create a 20Gbyte file > > on UFS on a slow (4Gbyte or RAM, > > slow spinning disk) laptop. > > (The UFS file system is just what the installer creates these days.) > > > > cp still hasn't finished and is definitely > > taking a looott longer than dd did. > > > > I'll start drilling down later to-day. > > > > I'll admit doing lots of testing of copy_file_range(2) > > with large sparse files, but I may have missed testing > > a large non-sparse file. > > > > rick > > ps: I've added Kostik and Kirk to the cc. > > As the problem seems to be clear now, should I still file a PR? > I'm happy to do so. > > matthias > Yes please . That will help ensure that we don't lose track of it. _______________________________________________ freebsd-current@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"