[Bluetooth] Remove unused host controller attributes
[pandora-kernel.git] / mm / pdflush.c
index 52822c9..b02102f 100644 (file)
@@ -90,7 +90,7 @@ struct pdflush_work {
 
 static int __pdflush(struct pdflush_work *my_work)
 {
-       current->flags |= PF_FLUSHER;
+       current->flags |= PF_FLUSHER | PF_SWAPWRITE;
        my_work->fn = NULL;
        my_work->who = current;
        INIT_LIST_HEAD(&my_work->list);
@@ -104,21 +104,20 @@ static int __pdflush(struct pdflush_work *my_work)
                list_move(&my_work->list, &pdflush_list);
                my_work->when_i_went_to_sleep = jiffies;
                spin_unlock_irq(&pdflush_lock);
-
                schedule();
-               if (try_to_freeze()) {
-                       spin_lock_irq(&pdflush_lock);
-                       continue;
-               }
-
+               try_to_freeze();
                spin_lock_irq(&pdflush_lock);
                if (!list_empty(&my_work->list)) {
-                       printk("pdflush: bogus wakeup!\n");
+                       /*
+                        * Someone woke us up, but without removing our control
+                        * structure from the global list.  swsusp will do this
+                        * in try_to_freeze()->refrigerator().  Handle it.
+                        */
                        my_work->fn = NULL;
                        continue;
                }
                if (my_work->fn == NULL) {
-                       printk("pdflush: NULL work function\n");
+                       printk("pdflush: bogus wakeup\n");
                        continue;
                }
                spin_unlock_irq(&pdflush_lock);
@@ -202,8 +201,7 @@ int pdflush_operation(void (*fn)(unsigned long), unsigned long arg0)
        unsigned long flags;
        int ret = 0;
 
-       if (fn == NULL)
-               BUG();          /* Hard to diagnose if it's deferred */
+       BUG_ON(fn == NULL);     /* Hard to diagnose if it's deferred */
 
        spin_lock_irqsave(&pdflush_lock, flags);
        if (list_empty(&pdflush_list)) {