ctdb-locking: Avoid real-time in lock helper if nosetsched option is set

Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Michael Adam <obnox@samba.org>

diff --git a/ctdb/server/ctdb_lock.c b/ctdb/server/ctdb_lock.c
index 7962e94801fb3a21d17a4363f2eb6814db0c36d8..8f3a18d4518957fac8604a2690ce2ae416bd1253 100644 (file)
--- a/ctdb/server/ctdb_lock.c
+++ b/ctdb/server/ctdb_lock.c
@@ -845,6 +845,14 @@ static void ctdb_lock_schedule(struct ctdb_context *ctdb)
                return;
        }
 
+       if (! ctdb->do_setsched) {
+               ret = setenv("CTDB_NOSETSCHED", "1", 1);
+               if (ret != 0) {
+                       DEBUG(DEBUG_WARNING,
+                             ("Failed to set CTDB_NOSETSCHED variable\n"));
+               }
+       }
+
        /* Create arguments for lock helper */
        if (!lock_helper_args(tmp_ctx, lock_ctx, lock_ctx->fd[1],
                              &argc, &args)) {