[Dazuko-devel] PATCH 3/3 in unclaim_event() remove item from working list before putting it back on todo list

[Lino Sanfilippo]

This patch removes the event from the "working list" before it is put
back on the "todo list" in unclaim_event().
After the event has been put back to the todo list also the poll queue
is woken up to notify callers of poll() that the event is readable (again).



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diff -Nurp dazukofs-3.1.4-rc2-patch2/event.c dazukofs-3.1.4-rc2-patch3/event.c
--- dazukofs-3.1.4-rc2-patch2/event.c   2010-11-02 12:02:41.000000000 +0100
+++ dazukofs-3.1.4-rc2-patch3/event.c   2010-11-02 12:17:50.000000000 +0100
@@ -860,11 +860,13 @@ static void unclaim_event(struct dazukof
 {
        /* put the event on the todo list */
        mutex_lock(&work_mutex);
+       list_del(&ec->list);
        list_add(&ec->list, &grp->todo_list.list);
        mutex_unlock(&work_mutex);
 
        /* wake up someone else to handle the event */
        wake_up(&grp->queue);
+       wake_up(&grp->poll_queue);
 }
 
 /**