block: remove q->prepare_flush_fn completely

This removes q->prepare_flush_fn completely (changes the
blk_queue_ordered API).

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index fedfdb7d3cdf..d285a5481965 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -831,7 +831,7 @@ static int loop_set_fd(struct loop_device *lo, fmode_t mode,
         lo->lo_queue->unplug_fn = loop_unplug;
 
         if (!(lo_flags & LO_FLAGS_READ_ONLY) && file->f_op->fsync)
-                blk_queue_ordered(lo->lo_queue, QUEUE_ORDERED_DRAIN, NULL);
+                blk_queue_ordered(lo->lo_queue, QUEUE_ORDERED_DRAIN);
 
         set_capacity(lo->lo_disk, size);
         bd_set_size(bdev, size << 9);