commit
726e99ab88db059fe1422e15376ae404f8c66eb4 upstream.
ioc->ioc_data is rcu protectd, so uses correct API to access it.
This doesn't change any behavior, but just make code consistent.
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
spin_lock_irqsave(&ioc->lock, flags);
- BUG_ON(ioc->ioc_data == cic);
+ BUG_ON(rcu_dereference_check(ioc->ioc_data,
+ lockdep_is_held(&ioc->lock)) == cic);
radix_tree_delete(&ioc->radix_root, cfqd->cic_index);
hlist_del_rcu(&cic->cic_list);