reiserfscore: move endian helpers for offset_v2 into header

We'll need to use these helpers from library callers.

Signed-off-by: Jeff Mahoney <jeffm@suse.com>

include/reiserfs_fs.h

@@ -1550,6 +1550,57 @@ static inline void buffer_info_init_bh(struct tree_balance *tb,
 	bi->bi_parent	= NULL;
 	bi->bi_position = 0;
 }
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+# define get_key_offset_v2(key)     (__u64)(((key)->u.k2_offset_v2.k_offset))
+# define set_key_offset_v2(key,val) (void)((key)->u.k2_offset_v2.k_offset = (val))
+# define get_key_type_v2(key)       (__u16)(((key)->u.k2_offset_v2.k_type))
+# define set_key_type_v2(key,val)   (void)((key)->u.k2_offset_v2.k_type = (val))
+#elif __BYTE_ORDER == __BIG_ENDIAN
+typedef union {
+	struct offset_v2 offset_v2;
+	__u64 linear;
+} __attribute__ ((__packed__)) offset_v2_esafe_overlay;
+
+static inline __u64 get_key_offset_v2(const struct reiserfs_key *key)
+{
+	offset_v2_esafe_overlay tmp =
+	    *(offset_v2_esafe_overlay *) (&(key->u.k2_offset_v2));
+	tmp.linear = le64_to_cpu(tmp.linear);
+	return tmp.offset_v2.k_offset;
+}
+
+static inline __u32 get_key_type_v2(const struct reiserfs_key *key)
+{
+	offset_v2_esafe_overlay tmp =
+	    *(offset_v2_esafe_overlay *) (&(key->u.k2_offset_v2));
+	tmp.linear = le64_to_cpu(tmp.linear);
+	return tmp.offset_v2.k_type;
+}
+
+static inline void set_key_offset_v2(struct reiserfs_key *key, __u64 offset)
+{
+	offset_v2_esafe_overlay *tmp =
+	    (offset_v2_esafe_overlay *) (&(key->u.k2_offset_v2));
+	tmp->linear = le64_to_cpu(tmp->linear);
+	tmp->offset_v2.k_offset = offset;
+	tmp->linear = cpu_to_le64(tmp->linear);
+}
+
+static inline void set_key_type_v2(struct reiserfs_key *key, __u32 type)
+{
+	offset_v2_esafe_overlay *tmp =
+	    (offset_v2_esafe_overlay *) (&(key->u.k2_offset_v2));
+	if (type > 15)
+		reiserfs_panic("set_key_type_v2: type is too big %d", type);
+
+	tmp->linear = le64_to_cpu(tmp->linear);
+	tmp->offset_v2.k_type = type;
+	tmp->linear = cpu_to_le64(tmp->linear);
+}
+#else
+# error "nuxi/pdp-endian archs are not supported"
+#endif
+
 
 #endif
 

reiserfscore/node_formats.c

@@ -853,57 +853,6 @@ void for_every_item(struct buffer_head *bh, item_head_action_t action,
 	}
 }
 
-#if __BYTE_ORDER == __LITTLE_ENDIAN
-# define get_key_offset_v2(key)     (__u64)((key->u.k2_offset_v2.k_offset))
-# define set_key_offset_v2(key,val) (void)(key->u.k2_offset_v2.k_offset = (val))
-# define get_key_type_v2(key)       (__u16)((key->u.k2_offset_v2.k_type))
-# define set_key_type_v2(key,val)   (void)(key->u.k2_offset_v2.k_type = (val))
-#elif __BYTE_ORDER == __BIG_ENDIAN
-typedef union {
-	struct offset_v2 offset_v2;
-	__u64 linear;
-} __attribute__ ((__packed__)) offset_v2_esafe_overlay;
-
-static inline __u64 get_key_offset_v2(const struct reiserfs_key *key)
-{
-	offset_v2_esafe_overlay tmp =
-	    *(offset_v2_esafe_overlay *) (&(key->u.k2_offset_v2));
-	tmp.linear = le64_to_cpu(tmp.linear);
-	return tmp.offset_v2.k_offset;
-}
-
-static inline __u32 get_key_type_v2(const struct reiserfs_key *key)
-{
-	offset_v2_esafe_overlay tmp =
-	    *(offset_v2_esafe_overlay *) (&(key->u.k2_offset_v2));
-	tmp.linear = le64_to_cpu(tmp.linear);
-	return tmp.offset_v2.k_type;
-}
-
-static inline void set_key_offset_v2(struct reiserfs_key *key, __u64 offset)
-{
-	offset_v2_esafe_overlay *tmp =
-	    (offset_v2_esafe_overlay *) (&(key->u.k2_offset_v2));
-	tmp->linear = le64_to_cpu(tmp->linear);
-	tmp->offset_v2.k_offset = offset;
-	tmp->linear = cpu_to_le64(tmp->linear);
-}
-
-static inline void set_key_type_v2(struct reiserfs_key *key, __u32 type)
-{
-	offset_v2_esafe_overlay *tmp =
-	    (offset_v2_esafe_overlay *) (&(key->u.k2_offset_v2));
-	if (type > 15)
-		reiserfs_panic("set_key_type_v2: type is too big %d", type);
-
-	tmp->linear = le64_to_cpu(tmp->linear);
-	tmp->offset_v2.k_type = type;
-	tmp->linear = cpu_to_le64(tmp->linear);
-}
-#else
-# error "nuxi/pdp-endian archs are not supported"
-#endif
-
 static inline int is_key_format_1(int type)
 {
 	return ((type == 0 || type == 15) ? 1 : 0);