> From: Vivek Goyal <[EMAIL PROTECTED]>
> Date: Thu, Nov 20, 2008 04:31:55PM -0500
>
...
> Hi Fabio,
>
> I though will give bfq a try. I get following when I put my current shell
> into a newly created cgroup and then try to do "ls".
>
The posted patch cannot work as it is, I'm sorry for that ugly bug.
Do you still have problems with this one applied?
---
diff --git a/block/bfq-cgroup.c b/block/bfq-cgroup.c
index efb03fc..ed8c597 100644
--- a/block/bfq-cgroup.c
+++ b/block/bfq-cgroup.c
@@ -168,7 +168,7 @@ static void bfq_group_chain_link(struct bfq_data *bfqd,
struct cgroup *cgroup,
spin_lock_irqsave(&bgrp->lock, flags);
- rcu_assign_pointer(bfqg->bfqd, bfqd);
+ rcu_assign_pointer(leaf->bfqd, bfqd);
hlist_add_head_rcu(&leaf->group_node, &bgrp->group_data);
hlist_add_head(&leaf->bfqd_node, &bfqd->group_list);
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