Style changes for deadfs:
- ANSIfy VOPs.
- Remove trivial comments.
- Remove ARGSUSED.
- Remove copies of the vop_XXX_args structure definitions in comments.

Sponsored by:	The FreeBSD Foundation
MFC after:	1 week


git-svn-id: svn+ssh://svn.freebsd.org/base/head@273132 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
Update the OFED Linux compatibility layer and
Mellanox hardware driver(s):

- Properly name an inclusion guard
- Fix compile warnings regarding unsigned enums
- Add two new sysctl nodes
- Remove all empty linux header files
- Make an error printout more verbose
- Use "mod_delayed_work()" instead of
  cancelling and starting a timeout.
- Implement more Linux scatterlist
  functions.

MFC after:	3 days
Sponsored by:	Mellanox Technologies


git-svn-id: svn+ssh://svn.freebsd.org/base/head@273135 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f