nfsd4: fix up replay_matches_cache()
When running an nfs stress test, I see quite a few cached replies that don't match up with the actual request. The first comment in replay_matches_cache() makes sense, but the code doesn't seem to match... fix it. This isn't exactly a bugfix, as the server isn't required to catch every case of a false retry. So, we may as well do this, but if this is fixing a problem then that suggests there's a client bug. Fixes: 53da6a53 ("nfsd4: catch some false session retries") Signed-off-by: Scott Mayhew <smayhew@redhat.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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