Hi all,

After merging the block tree, today's linux-next build (htmldocs)
produced this warning:

Documentation/cdrom/index.rst:7: WARNING: toctree contains reference to nonexisting document 'cdrom/packet-writing' [toc.not_readable]

Introduced by commit

  1cea5180f2f8 ("block: remove pktcdvd driver")

-- 
Cheers,
Stephen Rothwell