spin_lock(&wb->list_lock);
- /*
- * Kupdate and background works are special and we want to
- * include all inodes that need writing. Livelock avoidance is
- * handled by these works yielding to any other work so we are
- * safe.
- */
- if (work->for_kupdate) {
- dirtied_before = jiffies -
- msecs_to_jiffies(dirty_expire_interval * 10);
- } else if (work->for_background)
- dirtied_before = jiffies;
-
trace_writeback_start(wb, work);
if (list_empty(&wb->b_io)) {
+ /*
+ * Kupdate and background works are special and we want
+ * to include all inodes that need writing. Livelock
+ * avoidance is handled by these works yielding to any
+ * other work so we are safe.
+ */
+ if (work->for_kupdate) {
+ dirtied_before = jiffies -
+ msecs_to_jiffies(dirty_expire_interval *
+ 10);
+ } else if (work->for_background)
+ dirtied_before = jiffies;
+
queue_io(wb, work, dirtied_before);
queued = true;
}