nfsd: only WARN once on unmapped errors

No need to spam the logs here.

The only drawback is losing information if we ever encounter two
different unmapped errors, but in practice we've rarely see even one.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>

diff --git a/fs/nfsd/nfsproc.c b/fs/nfsd/nfsproc.c
index e9214768cde90f84138f6279e115a7a8c7350b95..a56ee10204d985ed0a5f149c275f40e5362d8c29 100644 (file)
--- a/fs/nfsd/nfsproc.c
+++ b/fs/nfsd/nfsproc.c
@@ -798,7 +798,7 @@ nfserrno (int errno)
                if (nfs_errtbl[i].syserr == errno)
                        return nfs_errtbl[i].nfserr;
        }
-       WARN(1, "nfsd: non-standard errno: %d\n", errno);
+       WARN_ONCE(1, "nfsd: non-standard errno: %d\n", errno);
        return nfserr_io;
 }