Re: [PATCH] autofs4 deadlock during expire - kernel 2.6

Arjan van de Ven
2003-09-24T16:24:32Z

On Wed, Sep 24, 2003 at 10:46:43PM +0800, Ian Kent wrote:
> The actual expire really needs to be interrutible.
> I didn't like the idea that the additional waiters would be
> uninterruptible but perhaps I have no choice.
>
> Given that do you think that using an interruptible_sleep_on for the
> expire and a completion for the additional waiters could give an
> acceptable solution?

No...
what happens if the person waking you does so inbetween the
if ( wq->name ) {
test and the
interruptible_sleep_on(&wq->queue);
.. ?