NFSD: Clean up the show_nf_may macro

Display all currently possible NFSD_MAY permission flags.

Move and rename show_nf_may with a more generic name because the
NFSD_MAY permission flags are used in other places besides the file
cache.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
Chuck Lever 2020-08-19 12:56:40 -04:00
commit b76278ae68