Merge pull request open-mpi#4935 from karasevb/v3.1_pmix_fix_dmdx

v3.1.x: Sync to PMIx v2.1 (PR openpmix/openpmix#698)

Author: bwbarrett

opal/mca/pmix/pmix2x/pmix/src/server/pmix_server_get.c

@@ -610,7 +610,14 @@ static pmix_status_t _satisfy_request(pmix_nspace_t *nptr, pmix_rank_t rank,
 
     /* retrieve the data for the specific rank they are asking about */
     if (PMIX_RANK_WILDCARD != rank) {
-        if (!peer->commit_cnt) {
+        if (!PMIX_PROC_IS_SERVER(peer) && !peer->commit_cnt) {
+            /* this condition works only for local requests, server does 
+             * count commits for local ranks, and check this count when 
+             * local request.
+             * if that request performs for remote rank on the remote 
+             * node (by direct modex) so `peer->commit_cnt` should be ignored,
+             * it is can not be counted for the remote side and this condition 
+             * does not matter for remote case */
             return PMIX_ERR_NOT_FOUND;
         }
         proc.rank = rank;