cpu_to_le32/le32_to_cpu is defined in include/linux/byteorder/generic.h,
which is not exported to user-space.

UAPI headers must use the ones prefixed with double-underscore.

Detected by compile-testing exported headers:

./usr/include/linux/nilfs2_ondisk.h: In function 
‘nilfs_checkpoint_set_snapshot’:
./usr/include/linux/nilfs2_ondisk.h:536:17: error: implicit declaration of 
function ‘cpu_to_le32’ [-Werror=implicit-function-declaration]
  cp->cp_flags = cpu_to_le32(le32_to_cpu(cp->cp_flags) |  \
                 ^
./usr/include/linux/nilfs2_ondisk.h:552:1: note: in expansion of macro 
‘NILFS_CHECKPOINT_FNS’
 NILFS_CHECKPOINT_FNS(SNAPSHOT, snapshot)
 ^~~~~~~~~~~~~~~~~~~~
./usr/include/linux/nilfs2_ondisk.h:536:29: error: implicit declaration of 
function ‘le32_to_cpu’ [-Werror=implicit-function-declaration]
  cp->cp_flags = cpu_to_le32(le32_to_cpu(cp->cp_flags) |  \
                             ^
./usr/include/linux/nilfs2_ondisk.h:552:1: note: in expansion of macro 
‘NILFS_CHECKPOINT_FNS’
 NILFS_CHECKPOINT_FNS(SNAPSHOT, snapshot)
 ^~~~~~~~~~~~~~~~~~~~
./usr/include/linux/nilfs2_ondisk.h: In function 
‘nilfs_segment_usage_set_clean’:
./usr/include/linux/nilfs2_ondisk.h:622:19: error: implicit declaration of 
function ‘cpu_to_le64’ [-Werror=implicit-function-declaration]
  su->su_lastmod = cpu_to_le64(0);
                   ^~~~~~~~~~~

Signed-off-by: Masahiro Yamada <yamada.masah...@socionext.com>
---

 include/uapi/linux/nilfs2_ondisk.h | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/include/uapi/linux/nilfs2_ondisk.h 
b/include/uapi/linux/nilfs2_ondisk.h
index a7e66ab11d1d..c23f91ae5fe8 100644
--- a/include/uapi/linux/nilfs2_ondisk.h
+++ b/include/uapi/linux/nilfs2_ondisk.h
@@ -29,7 +29,7 @@
 
 #include <linux/types.h>
 #include <linux/magic.h>
-
+#include <asm/byteorder.h>
 
 #define NILFS_INODE_BMAP_SIZE  7
 
@@ -533,19 +533,19 @@ enum {
 static inline void                                                     \
 nilfs_checkpoint_set_##name(struct nilfs_checkpoint *cp)               \
 {                                                                      \
-       cp->cp_flags = cpu_to_le32(le32_to_cpu(cp->cp_flags) |          \
-                                  (1UL << NILFS_CHECKPOINT_##flag));   \
+       cp->cp_flags = __cpu_to_le32(__le32_to_cpu(cp->cp_flags) |      \
+                                    (1UL << NILFS_CHECKPOINT_##flag)); \
 }                                                                      \
 static inline void                                                     \
 nilfs_checkpoint_clear_##name(struct nilfs_checkpoint *cp)             \
 {                                                                      \
-       cp->cp_flags = cpu_to_le32(le32_to_cpu(cp->cp_flags) &          \
+       cp->cp_flags = __cpu_to_le32(__le32_to_cpu(cp->cp_flags) &      \
                                   ~(1UL << NILFS_CHECKPOINT_##flag));  \
 }                                                                      \
 static inline int                                                      \
 nilfs_checkpoint_##name(const struct nilfs_checkpoint *cp)             \
 {                                                                      \
-       return !!(le32_to_cpu(cp->cp_flags) &                           \
+       return !!(__le32_to_cpu(cp->cp_flags) &                         \
                  (1UL << NILFS_CHECKPOINT_##flag));                    \
 }
 
@@ -595,20 +595,20 @@ enum {
 static inline void                                                     \
 nilfs_segment_usage_set_##name(struct nilfs_segment_usage *su)         \
 {                                                                      \
-       su->su_flags = cpu_to_le32(le32_to_cpu(su->su_flags) |          \
+       su->su_flags = __cpu_to_le32(__le32_to_cpu(su->su_flags) |      \
                                   (1UL << NILFS_SEGMENT_USAGE_##flag));\
 }                                                                      \
 static inline void                                                     \
 nilfs_segment_usage_clear_##name(struct nilfs_segment_usage *su)       \
 {                                                                      \
        su->su_flags =                                                  \
-               cpu_to_le32(le32_to_cpu(su->su_flags) &                 \
+               __cpu_to_le32(__le32_to_cpu(su->su_flags) &             \
                            ~(1UL << NILFS_SEGMENT_USAGE_##flag));      \
 }                                                                      \
 static inline int                                                      \
 nilfs_segment_usage_##name(const struct nilfs_segment_usage *su)       \
 {                                                                      \
-       return !!(le32_to_cpu(su->su_flags) &                           \
+       return !!(__le32_to_cpu(su->su_flags) &                         \
                  (1UL << NILFS_SEGMENT_USAGE_##flag));                 \
 }
 
@@ -619,15 +619,15 @@ NILFS_SEGMENT_USAGE_FNS(ERROR, error)
 static inline void
 nilfs_segment_usage_set_clean(struct nilfs_segment_usage *su)
 {
-       su->su_lastmod = cpu_to_le64(0);
-       su->su_nblocks = cpu_to_le32(0);
-       su->su_flags = cpu_to_le32(0);
+       su->su_lastmod = __cpu_to_le64(0);
+       su->su_nblocks = __cpu_to_le32(0);
+       su->su_flags = __cpu_to_le32(0);
 }
 
 static inline int
 nilfs_segment_usage_clean(const struct nilfs_segment_usage *su)
 {
-       return !le32_to_cpu(su->su_flags);
+       return !__le32_to_cpu(su->su_flags);
 }
 
 /**
-- 
2.17.1

Reply via email to