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path: root/drivers/block/loop.c
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Diffstat (limited to 'drivers/block/loop.c')
-rw-r--r--drivers/block/loop.c16
1 files changed, 0 insertions, 16 deletions
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index dbf31ec9114..a076a14ca72 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -540,17 +540,6 @@ out:
return 0;
}
-/*
- * kick off io on the underlying address space
- */
-static void loop_unplug(struct request_queue *q)
-{
- struct loop_device *lo = q->queuedata;
-
- queue_flag_clear_unlocked(QUEUE_FLAG_PLUGGED, q);
- blk_run_address_space(lo->lo_backing_file->f_mapping);
-}
-
struct switch_request {
struct file *file;
struct completion wait;
@@ -917,7 +906,6 @@ static int loop_set_fd(struct loop_device *lo, fmode_t mode,
*/
blk_queue_make_request(lo->lo_queue, loop_make_request);
lo->lo_queue->queuedata = lo;
- lo->lo_queue->unplug_fn = loop_unplug;
if (!(lo_flags & LO_FLAGS_READ_ONLY) && file->f_op->fsync)
blk_queue_flush(lo->lo_queue, REQ_FLUSH);
@@ -1019,7 +1007,6 @@ static int loop_clr_fd(struct loop_device *lo, struct block_device *bdev)
kthread_stop(lo->lo_thread);
- lo->lo_queue->unplug_fn = NULL;
lo->lo_backing_file = NULL;
loop_release_xfer(lo);
@@ -1636,9 +1623,6 @@ out:
static void loop_free(struct loop_device *lo)
{
- if (!lo->lo_queue->queue_lock)
- lo->lo_queue->queue_lock = &lo->lo_queue->__queue_lock;
-
blk_cleanup_queue(lo->lo_queue);
put_disk(lo->lo_disk);
list_del(&lo->lo_list);