0a1db6f084
As there are more and more complicated interactions between the different backing stores and userspace, push the control into the backends rather than accumulate them all inside the ioctl handlers. Signed-off-by: Matthew Auld <matthew.auld@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20201105154934.16022-1-chris@chris-wilson.co.uk (cherry picked from commit 0049b688459b846f819b6e51c24cd0781fcfde41) Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>