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Groups > linux.kernel > #1434619

[PATCH 1/2] dma-buf/fence-array: add fence_is_array()

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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
  *
-- 
2.5.5

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[PATCH 1/2] dma-buf/fence-array: add fence_is_array() Gustavo Padovan <gustavo@padovan.org> - 2016-06-30 16:30 +0200
  Re: [PATCH 1/2] dma-buf/fence-array: add fence_is_array() Chris Wilson <chris@chris-wilson.co.uk> - 2016-06-30 16:30 +0200
    Re: [PATCH 1/2] dma-buf/fence-array: add fence_is_array() Chris Wilson <chris@chris-wilson.co.uk> - 2016-07-01 00:20 +0200

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