[PATCH] Warn on writable strings

[fio.git] / fio.h

diff --git a/fio.h b/fio.h
index b94bf4313081bfed79fbed4ff8b67274a134ad83..434c34b237ed718cb1c8312fc77629281d35c39f 100644 (file)
--- a/fio.h
+++ b/fio.h
@@ -356,7 +356,7 @@ extern int groupid;
 extern int terse_output;
 extern FILE *f_out;
 extern FILE *f_err;
-extern char *fio_inst_prefix;
+extern const char *fio_inst_prefix;
 extern int temp_stall_ts;
 
 extern struct thread_data *threads;