Re: [LOCKDEP] xfs: possible recursive locking detected

[Nathan Scott <nathans@xxxxxxx>]

On Wed, Jul 05, 2006 at 08:46:51AM +0200, Ingo Molnar wrote:
> 
> i should have formulated this as a question: should i implement 
> spin_lock_destroy()? A few months ago i implemented mutex_destroy() for 
> XFS's use, and now we could do it for spinlocks too.
> ...
> spin_lock_destroy() would work like mutex_destroy(): the magic number in 
> the lock is overwritten and hence no further locking API will allow the 
> use of that lock from that point on. (up until the lock is reinitialized 
> via spin_lock_init())

Oh, right, I see - yes, I think that could be generally useful
and we'd get some value out of that in XFS for sure.  Thanks.

cheers.

-- 
Nathan