From: "J. Bruce Fields" <bfields@xxxxxxxxxx>
encode_getattr, for example, can return nfserr_resource to indicate it
ran out of buffer space. That's not a legal error in the 4.1 case. And
in the 4.1 case, if we ran out of buffer space, we should have exceeded
a session limit too.
---
fs/nfsd/nfs4xdr.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index 143780d..ea32674 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -3626,6 +3626,14 @@ nfsd4_encode_operation(struct nfsd4_compoundres *resp, struct nfsd4_op *op)
/* nfsd4_check_resp_size guarantees enough room for error status */
if (!op->status)
op->status = nfsd4_check_resp_size(resp, 0);
+ if (op->status == nfserr_resource && nfsd4_has_session(&resp->cstate)) {
+ struct nfsd4_slot *slot = resp->cstate.slot;
+
+ if (slot->sl_flags & NFSD4_SLOT_CACHETHIS)
+ op->status = nfserr_rep_too_big_to_cache;
+ else
+ op->status = nfserr_rep_too_big;
+ }
if (so) {
so->so_replay.rp_status = op->status;
so->so_replay.rp_buflen = (char *)resp->p - (char *)(statp+1);
--
1.8.5.3
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