In latest linux api headers, __bitwise is already defined in
/usr/include/linux/types.h.
So kerncompat.h will re-define __bitwise, and cause gcc warning.
Fix it by checking if __bitwise is already define.
Signed-off-by: Qu Wenruo <quwenruo@xxxxxxxxxxxxxx>
---
The patch is based on devel branch with the following head:
commit 64abe9f619b614e589339046b6c45dfb8fa8e2a9
Author: David Sterba <dsterba@xxxxxxxx>
Date: Wed Mar 15 12:28:16 2017 +0100
btrfs-progs: tests: misc/019, use fssum
---
kerncompat.h | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/kerncompat.h b/kerncompat.h
index 958bea43..fa96715f 100644
--- a/kerncompat.h
+++ b/kerncompat.h
@@ -317,11 +317,13 @@ static inline void assert_trace(const char *assertion, const char *filename,
#define container_of(ptr, type, member) ({ \
const typeof( ((type *)0)->member ) *__mptr = (ptr); \
(type *)( (char *)__mptr - offsetof(type,member) );})
+#ifndef __bitwise
#ifdef __CHECKER__
#define __bitwise __bitwise__
#else
#define __bitwise
-#endif
+#endif /* __CHECKER__ */
+#endif /* __bitwise */
/* Alignment check */
#define IS_ALIGNED(x, a) (((x) & ((typeof(x))(a) - 1)) == 0)
--
2.12.0
--
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