Merge branch 'for-2.6.39/stack-plug' into for-2.6.39/core

Conflicts:
	block/blk-core.c
	block/blk-flush.c
	drivers/md/raid1.c
	drivers/md/raid10.c
	drivers/md/raid5.c
	fs/nilfs2/btnode.c
	fs/nilfs2/mdt.c

Signed-off-by: Jens Axboe <jaxboe@fusionio.com>

1 files changed, 0 insertions, 17 deletions

diff --git a/drivers/md/linear.c b/drivers/md/linear.c
index 0ed7f6bc2a7f..338804f8fb3b 100644
--- a/drivers/md/linear.c
+++ b/drivers/md/linear.c
@@ -87,22 +87,6 @@ static int linear_mergeable_bvec(struct request_queue *q,
         return maxsectors << 9;
 }
 
-static void linear_unplug(struct request_queue *q)
-{
-        mddev_t *mddev = q->queuedata;
-        linear_conf_t *conf;
-        int i;
-
-        rcu_read_lock();
-        conf = rcu_dereference(mddev->private);
-
-        for (i=0; i < mddev->raid_disks; i++) {
-                struct request_queue *r_queue = bdev_get_queue(conf->disks[i].rdev->bdev);
-                blk_unplug(r_queue);
-        }
-        rcu_read_unlock();
-}
-
 static int linear_congested(void *data, int bits)
 {
         mddev_t *mddev = data;
@@ -224,7 +208,6 @@ static int linear_run (mddev_t *mddev)
         md_set_array_sectors(mddev, linear_size(mddev, 0, 0));
 
         blk_queue_merge_bvec(mddev->queue, linear_mergeable_bvec);
-        mddev->queue->unplug_fn = linear_unplug;
         mddev->queue->backing_dev_info.congested_fn = linear_congested;
         mddev->queue->backing_dev_info.congested_data = mddev;
         md_integrity_register(mddev);