nfsd: update comment over __nfsd_file_cache_purge

Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
Jeff Layton 2023-01-26 12:21:16 -05:00 • committed by Chuck Lever
commit 972cc0e092