pre-dump: Enforce track-mem and leave-running in cr_pre_dump_tasks

Service will call the pre-dump routine, so this is factoring out
enforcin options for CLI and RPC.
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

cr-dump.c

@@ -1602,6 +1602,16 @@ int cr_pre_dump_tasks(pid_t pid)
 	LIST_HEAD(ctls);
 	struct parasite_ctl *ctl, *n;
 
+	if (!opts.track_mem) {
+		pr_info("Enforcing memory tracking for pre-dump.\n");
+		opts.track_mem = true;
+	}
+
+	if (opts.final_state == TASK_DEAD) {
+		pr_info("Enforcing tasks run after pre-dump.\n");
+		opts.final_state = TASK_ALIVE;
+	}
+
 	if (init_stats(DUMP_STATS))
 		goto err;
 

crtools.c

@@ -339,16 +339,6 @@ int main(int argc, char *argv[])
 		if (!tree_id)
 			goto opt_pid_missing;
 
-		if (!opts.track_mem) {
-			pr_info("Enforcing memory tracking for pre-dump.\n");
-			opts.track_mem = true;
-		}
-
-		if (opts.final_state == TASK_DEAD) {
-			pr_info("Enforcing tasks run after pre-dump.\n");
-			opts.final_state = TASK_ALIVE;
-		}
-
 		return cr_pre_dump_tasks(tree_id) != 0;
 	}