From: J. Bruce Fields <bfields@redhat.com>
Date: Tue, 4 Oct 2016 16:53:49 +0000 (-0400)
Subject: nfsd: only WARN once on unmapped errors
X-Git-Tag: v4.9-rc1~30^2~2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ff30f08c32f932272f9bd4c1caca824ffc939346;p=platform%2Fkernel%2Flinux-exynos.git

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 e921476..a56ee10 100644
--- 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;
 }