assert((io_u->flags & IO_U_F_FLIGHT) == 0);
io_u_set(td, io_u, IO_U_F_FLIGHT);
+ /*
+ * If overlap checking was enabled in offload mode we
+ * can release this lock that was acquired when we
+ * started the overlap check because the IO_U_F_FLIGHT
+ * flag is now set
+ */
+ if (td_offload_overlap(td))
+ pthread_mutex_unlock(&overlap_check);
+
assert(fio_file_open(io_u->file));
/*