From: Gustavo Padovan gustavo.padovan@collabora.co.uk
Add helper to check if fence is array.
Cc: Chris Wilson chris@chris-wilson.co.uk Cc: Christian König christian.koenig@amd.com Signed-off-by: Gustavo Padovan gustavo.padovan@collabora.co.uk --- include/linux/fence-array.h | 10 ++++++++++ 1 file changed, 10 insertions(+)
diff --git a/include/linux/fence-array.h b/include/linux/fence-array.h index 86baaa4..d2e9f40 100644 --- a/include/linux/fence-array.h +++ b/include/linux/fence-array.h @@ -52,6 +52,16 @@ struct fence_array { extern const struct fence_ops fence_array_ops;
/** + * fence_is_array - check if a fence is from the array subsclass + * + * Return true if it is a fence_array and false otherwise. + */ +static inline bool fence_is_array(struct fence *fence) +{ + return (fence->ops == &fence_array_ops) ? true : false; +} + +/** * to_fence_array - cast a fence to a fence_array * @fence: fence to cast to a fence_array *