correctly free thread_data options at the topmost parent process

backend.c

@@ -2494,10 +2494,7 @@ static void run_threads(struct sk_out *sk_out)
 							strerror(ret));
 			} else {
 				pid_t pid;
-				void *eo;
 				dprint(FD_PROCESS, "will fork\n");
-				eo = td->eo;
-				read_barrier();
 				pid = fork();
 				if (!pid) {
 					int ret;
@@ -2506,7 +2503,6 @@ static void run_threads(struct sk_out *sk_out)
 					_exit(ret);
 				} else if (__td_index == fio_debug_jobno)
 					*fio_debug_jobp = pid;
-				free(eo);
 				free(fd);
 				fd = NULL;
 			}

cairo_text_helpers.c

@@ -1,3 +1,5 @@
+#include "cairo_text_helpers.h"
+
 #include <cairo.h>
 #include <gtk/gtk.h>
 #include <math.h>

cairo_text_helpers.h

@@ -1,6 +1,8 @@
 #ifndef CAIRO_TEXT_HELPERS_H
 #define CAIRO_TEXT_HELPERS_H
 
+#include <cairo.h>
+
 void draw_centered_text(cairo_t *cr, const char *font, double x, double y,
 			       double fontsize, const char *text);
 

goptions.h

@@ -1,6 +1,8 @@
 #ifndef GFIO_OPTIONS_H
 #define GFIO_OPTIONS_H
 
+#include <gtk/gtk.h>
+
 void gopt_get_options_window(GtkWidget *window, struct gfio_client *gc);
 void gopt_init(void);
 void gopt_exit(void);

ioengines.c

@@ -238,7 +238,8 @@ void free_ioengine(struct thread_data *td)
 	if (td->eo && td->io_ops->options) {
 		options_free(td->io_ops->options, td->eo);
 		free(td->eo);
-		td->eo = NULL;
+		if (td->o.use_thread)
+			td->eo = NULL;
 	}
 
 	if (td->io_ops->dlhandle) {

log.c

@@ -1,3 +1,5 @@
+#include "log.h"
+
 #include <unistd.h>
 #include <string.h>
 #include <stdarg.h>

options.c

@@ -5829,9 +5829,9 @@ void fio_options_free(struct thread_data *td)
 	options_free(fio_options, &td->o);
 	if (td->eo && td->io_ops && td->io_ops->options) {
 		options_free(td->io_ops->options, td->eo);
-		free(td->eo);
-		td->eo = NULL;
 	}
+	free(td->eo);
+	td->eo = NULL;
 }
 
 void fio_dump_options_free(struct thread_data *td)