}
EXPORT_SYMBOL_GPL(blk_queue_flush);
-/**
- * blk_queue_unplugged - register a callback for an unplug event
- * @q: the request queue for the device
- * @fn: the function to call
- *
- * Some stacked drivers may need to know when IO is dispatched on an
- * unplug event. By registrering a callback here, they will be notified
- * when someone flushes their on-stack queue plug. The function will be
- * called with the queue lock held.
- */
-void blk_queue_unplugged(struct request_queue *q, unplugged_fn *fn)
-{
- q->unplugged_fn = fn;
-}
-EXPORT_SYMBOL(blk_queue_unplugged);
-
static int __init blk_settings_init(void)
{
blk_max_low_pfn = max_low_pfn - 1;