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

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This reverts commit 7681bfeecc.

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 <[email protected]>
This commit is contained in:
Jens Axboe 2010-10-24 22:06:02 +02:00
commit f253b86b4a
8 changed files with 13 additions and 47 deletions
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12
fs/partitions/check.c
View file

@ -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);
}