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NFS: Map minor mismatch error to protocol not support error.

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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@redhat.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Steve Dickson 2012-06-06 14:12:07 -04:00 committed by Trond Myklebust
parent 9bce008bae
commit f25efd851c
1 changed files with 2 additions and 0 deletions
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2
fs/nfs/nfs4proc.c
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@ -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);