Re: function call fw_iso_resource_mange(..) (core-iso.c) does not return

[Stephan Gatzka <stephan.gatzka@gmail.com>]

> Solution 2 --- Perform interdependent works in different queue 
> instances.
> (Keep the WQ_MEM_RECLAIM flag set at those workqueues that have to take
> work which is necessary for progress of memory reclaim.  If this and 
> only
> this solution is employed for an SBP-2 initiator, we need two if not 
> more
> WQ_MEM_RECLAIM workqueue instances.)

I would go for this solution. I have no problems with lots of workqueues 
around, because there is only a relatively small structure required for 
each workqueue.

> 
> Solution 3 --- Remove the dependency between worklets:
> 
> 	Solution 3a --- Remove the lower-level worklet altogether.
> 	E.g. reimplement the lower-level worklet as a tasklet.

No, I like the workqueue context. :)


> 	Solution 3b --- Remove the higher-level worklet's dependency.
> 	E.g. reimplement the higher-level worklet such that it is woken by
> 	a timer and then aborts or reschedules ( = lets the lower-level
> 	worklet bubble up in the queue).

This looks more difficult to me and not so easy to test.

Stephan