Sservers that only have NFSv4.1 support the
NFS4ERR_MINOR_VERS_MISMATCH error is return on
v4.0 mounts. Mapping that error to EPROTONOSUPPORT
will cause the mount to back off to v3 instead of
failing.
Signed-off-by: Steve Dickson <steved@xxxxxxxxxx>
---
fs/nfs/nfs4proc.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index d48dbef..eda028b 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -105,6 +105,8 @@ static int nfs4_map_errors(int err)
return -EINVAL;
case -NFS4ERR_SHARE_DENIED:
return -EACCES;
+ case -NFS4ERR_MINOR_VERS_MISMATCH:
+ return -EPROTONOSUPPORT;
default:
dprintk("%s could not handle NFSv4 error %d\n",
__func__, -err);
--
1.7.1
--
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