[PATCH] dma-buf: add more reservation object locking wrappers

[Chris Wilson]

Quoting Christian König (2019-07-31 12:38:53)
> Complete the abstraction of the ww_mutex inside the reservation object.
> 
> This allows us to add more handling and debugging to the reservation
> object in the future.
> 
> Signed-off-by: Christian König <christian.koenig at amd.com>

Looks entirely mechanical,
Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>

Quietly opines for s/reservation_object/dma_reservation/
-Chris