[dm-devel] [PATCH REPOST] dm rq: remove BUG_ON(!irqs_disabled) check

[Sebastian Andrzej Siewior]

On 2018-05-04 11:53:12 [-0400], Mike Snitzer wrote:
> the queue_lock hasn't been removed for the old .request_fn path in block
> core -- which dm_old_request_fn is providing the hook for.
> 
> This BUG_ON() documents that reality.
> 
> Commit 2eb6e1e3aa87 made it such that work is queued into an irq enabled
> context.   But it never changed the fact that old block core's
> .request_fn (and as such dm_old_request_fn) is called with irqs
> disabled.

As per history it looked different, sorry. Is there a lock that is
supposed to be held?

Sebastian