From 3128aa9c984d3eab63b07b39690bcfa7321b62c0 Mon Sep 17 00:00:00 2001
From: Jeff Layton <jeff.layton@primarydata.com>
Date: Sat, 18 Dec 2021 20:37:55 -0500
Subject: [PATCH] nfsd: Add errno mapping for EREMOTEIO

[ Upstream commit a2694e51f60c5a18c7e43d1a9feaa46d7f153e65 ]

The NFS client can occasionally return EREMOTEIO when signalling issues
with the server.  ...map to NFSERR_IO.

Signed-off-by: Jeff Layton <jeff.layton@primarydata.com>
Signed-off-by: Lance Shelton <lance.shelton@hammerspace.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/nfsd/nfsproc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/nfsd/nfsproc.c b/fs/nfsd/nfsproc.c
index de4b97cdbd2b..6ed13754290a 100644
--- a/fs/nfsd/nfsproc.c
+++ b/fs/nfsd/nfsproc.c
@@ -874,6 +874,7 @@ nfserrno (int errno)
 		{ nfserr_toosmall, -ETOOSMALL },
 		{ nfserr_serverfault, -ESERVERFAULT },
 		{ nfserr_serverfault, -ENFILE },
+		{ nfserr_io, -EREMOTEIO },
 		{ nfserr_io, -EUCLEAN },
 		{ nfserr_perm, -ENOKEY },
 		{ nfserr_no_grace, -ENOGRACE},