[PATCH 04/11] UAPI: bcache: Fix use of embedded flexible array

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The bkey struct defined by bcache is embedded in the jset struct.  However,
this is illegal in C++ as there's a "flexible array" at the end of the
struct.  Change this to be a 0-length struct instead.

Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
cc: Coly Li <colyli@xxxxxxx>
cc: Kent Overstreet <kent.overstreet@xxxxxxxxx>
cc: linux-bcache@xxxxxxxxxxxxxxx
---

 include/uapi/linux/bcache.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/uapi/linux/bcache.h b/include/uapi/linux/bcache.h
index 5d4f58e059fd..11863e903bff 100644
--- a/include/uapi/linux/bcache.h
+++ b/include/uapi/linux/bcache.h
@@ -23,7 +23,7 @@ static inline void SET_##name(type *k, __u64 v)			\
 struct bkey {
 	__u64	high;
 	__u64	low;
-	__u64	ptr[];
+	__u64	ptr[0];
 };
 
 #define KEY_FIELD(name, field, offset, size)				\




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