Revert "block: fix accounting bug on cross partition merges"

This reverts commit 7681bfeeccff5efa9eb29bf09249a3c400b15327.

Conflicts:

	include/linux/genhd.h

It has numerous issues with the cleanup path and non-elevator
devices. Revert it for now so we can come up with a clean
version without rushing things.

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

1 files changed, 0 insertions, 12 deletions

diff --git a/fs/partitions/check.c b/fs/partitions/check.c
index b81bfc016a05..0a8b0ad0c7e2 100644
--- a/fs/partitions/check.c
+++ b/fs/partitions/check.c
@@ -365,25 +365,17 @@ struct device_type part_type = {
 static void delete_partition_rcu_cb(struct rcu_head *head)
 {
         struct hd_struct *part = container_of(head, struct hd_struct, rcu_head);
-        struct gendisk *disk = part_to_disk(part);
-        struct request_queue *q = disk->queue;
-        unsigned long flags;
 
         part->start_sect = 0;
         part->nr_sects = 0;
         part_stat_set_all(part, 0);
         put_device(part_to_dev(part));
-
-        spin_lock_irqsave(q->queue_lock, flags);
-        elv_quiesce_end(q);
-        spin_unlock_irqrestore(q->queue_lock, flags);
 }
 
 void delete_partition(struct gendisk *disk, int partno)
 {
         struct disk_part_tbl *ptbl = disk->part_tbl;
         struct hd_struct *part;
-        struct request_queue *q = disk->queue;
 
         if (partno >= ptbl->len)
                 return;
@@ -398,10 +390,6 @@ void delete_partition(struct gendisk *disk, int partno)
         kobject_put(part->holder_dir);
         device_del(part_to_dev(part));
 
-        spin_lock_irq(q->queue_lock);
-        elv_quiesce_start(q);
-        spin_unlock_irq(q->queue_lock);
-
         call_rcu(&part->rcu_head, delete_partition_rcu_cb);
 }