Re: [RFC][PATCH 0/3] configfs: Make nested default groupslockdep-friendly

From: Joel Becker
Date: Tue May 20 2008 - 19:52:19 EST

On Tue, May 20, 2008 at 03:35:43PM -0700, Arjan van de Ven wrote:
> not quite what I meant; what I meant is more like how sched.c deals
> with per cpu queues:
> (from sched.c)
> spin_lock_init(&rq->lock);
> lockdep_set_class(&rq->lock, &rq->rq_lock_key);

Looking at this, it's taking the address of the struct
lock_class_key as the actual key. Thus, if we tie one of these guys to
the structure we're representing, we get lock safety...except that we're
talking about i_mutex here, and we want to interact with the VFS's use



"There is no sincerer love than the love of food."
- George Bernard Shaw

Joel Becker
Principal Software Developer
E-mail: joel.becker@xxxxxxxxxx
Phone: (650) 506-8127
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at