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Add a workaround for servers which respond RPC_PROGNOTREGISTERED

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to a clnt_create() call even when it is actually a program
version mismatch.

Normally the server is supposed to return RPC_PROGVERSMISMATCH
when it supports the specified program but not support
the specified version.  Some filers return RPC_PROGNOTREGISTERED
to RQUOTA v2 calls and FreeBSD does not retry with the old
v1 calls.  This change fixes this failure scenario.

Submitted by:	Jian-Bo Liao
PR:		236179
This commit is contained in:
Hiroki Sato 2019-09-21 00:17:40 +00:00
parent 5fdac75222
commit 740a5434e9
1 changed files with 1 additions and 1 deletions
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2
usr.bin/quota/quota.c
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@ -606,7 +606,7 @@ getnfsquota(struct statfs *fst, struct quotause *qup, long id, int quotatype)
call_stat = callaurpc(host, RQUOTAPROG, EXT_RQUOTAVERS,
RQUOTAPROC_GETQUOTA, (xdrproc_t)xdr_ext_getquota_args, (char *)&gq_args,
(xdrproc_t)xdr_getquota_rslt, (char *)&gq_rslt);
if (call_stat == RPC_PROGVERSMISMATCH) {
if (call_stat == RPC_PROGVERSMISMATCH || call_stat == RPC_PROGNOTREGISTERED) {
if (quotatype == USRQUOTA) {
old_gq_args.gqa_pathp = cp + 1;
old_gq_args.gqa_uid = id;