loop device deadlocks (was Re: LINUX Jobs for 2.4 update)

From: Steve Dodd (steved@loth.demon.co.uk)
Date: Sun Jun 04 2000 - 13:04:04 EST


On Sat, Jun 03, 2000 at 04:46:12PM +0100, steved wrote:
> On Tue, May 30, 2000 at 12:29:59AM +0200, Jens Axboe wrote:

> > Did you ever try the combination of my loopd thread patch _and_ disable
> > plugging? I'll have to dig up my patch and try this if not.
>
> Not yet - it's on my to-do list though (I'm syncing up with Linus' patches
> from the last few weeks right now)..

OK, I'm having a look at this now. The "blatantly obvious" deadlock goes
with plugging disabled; can you remember what you had to do to trigger the
problem with the get_request stuff? (And if you've got the backtraces easily
to hand, I'd love to see them..)

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