s3:dbwrap_ctdb: add debug message to transaction_fetch_start()

for the case that another local process has started a transaction
bewteen releasing the transaction_lock record and starting the
transaction.

Michael

diff --git a/source3/lib/dbwrap_ctdb.c b/source3/lib/dbwrap_ctdb.c
index 1f6af437cfa145353ceacc80bea7416436b20496..8563990a84fa15979c6422e1b35b8ea00b5d5368 100644 (file)
--- a/source3/lib/dbwrap_ctdb.c
+++ b/source3/lib/dbwrap_ctdb.c
@@ -419,6 +419,10 @@ again:
        }
 
        if ((data.dsize != sizeof(pid_t)) || (*(pid_t *)(data.dptr) != pid)) {
+               DEBUG(3, (__location__ " refetch transaction lock record: "
+                         "another local process has started a transaction "
+                         "(stored pid [%u] != my pid [%u]) - retrying\n",
+                         *(pid_t *)(data.dptr), pid));
                tdb_transaction_cancel(ctx->wtdb->tdb);
                talloc_free(tmp_ctx);
                goto again;