On Sat, Apr 16, 2022 at 03:15:34PM +0700, Bagas Sanjaya wrote: > kernel test robot reports kernel-doc warning: > > >> fs/btrfs/zstd.c:98: warning: This comment starts with '/**', but > isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst This is the wrong fix. Static functions should not have kernel-doc comments. Just delete the second '*' at the head of the comment. Also, btrfs developers should be testing with W=1. That will catch these problems before the code is integrated.