debug: make debug=io readable with multiple threads

[fio.git] / ioengines.c

diff --git a/ioengines.c b/ioengines.c
index cec0c760f4a4a2c8c5cc089b8abc6d843dc492ea..fb475e9711d6b7fe9ccd6ba4496c9f7b7d64e85e 100644 (file)
--- a/ioengines.c
+++ b/ioengines.c
@@ -224,7 +224,8 @@ int td_io_prep(struct thread_data *td, struct io_u *io_u)
        if (td->io_ops->prep) {
                int ret = td->io_ops->prep(td, io_u);
 
-               dprint(FD_IO, "->prep(%p)=%d\n", io_u, ret);
+               dprint(FD_IO, "prep: io_u %p: ret=%d\n", io_u, ret);
+
                if (ret)
                        unlock_file(td, io_u->file);
                return ret;