It should've been changed when queue_work() became
queue_delayed_work(..., 0) in there.  It's always had been
about not needing a delay, not about not using specific
function...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
        unuse_mm(mm);
        set_fs(oldfs);
        /*
-        * we're in a worker thread already, don't use queue_delayed_work,
+        * we're in a worker thread already; no point using non-zero delay
         */
        if (requeue)
                queue_delayed_work(aio_wq, &ctx->wq, 0);