block: Stop using macro stubs for the bio data integrity calls

Replace preprocessor macro stubs with real function declarations to
prevent warnings when CONFIG_BLK_DEV_INTEGRITY is disabled.
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

include/linux/bio.h

@@ -515,24 +515,64 @@ extern void bio_integrity_init(void);
 
 #else /* CONFIG_BLK_DEV_INTEGRITY */
 
-#define bio_integrity(a)		(0)
-#define bioset_integrity_create(a, b)	(0)
-#define bio_integrity_prep(a)		(0)
-#define bio_integrity_enabled(a)	(0)
+static inline int bio_integrity(struct bio *bio)
+{
+	return 0;
+}
+
+static inline int bio_integrity_enabled(struct bio *bio)
+{
+	return 0;
+}
+
+static inline int bioset_integrity_create(struct bio_set *bs, int pool_size)
+{
+	return 0;
+}
+
+static inline void bioset_integrity_free (struct bio_set *bs)
+{
+	return;
+}
+
+static inline int bio_integrity_prep(struct bio *bio)
+{
+	return 0;
+}
+
+static inline void bio_integrity_free(struct bio *bio, struct bio_set *bs)
+{
+	return;
+}
+
 static inline int bio_integrity_clone(struct bio *bio, struct bio *bio_src,
 				      gfp_t gfp_mask, struct bio_set *bs)
 {
 	return 0;
 }
-#define bioset_integrity_free(a)	do { } while (0)
-#define bio_integrity_free(a, b)	do { } while (0)
-#define bio_integrity_endio(a, b)	do { } while (0)
-#define bio_integrity_advance(a, b)	do { } while (0)
-#define bio_integrity_trim(a, b, c)	do { } while (0)
-#define bio_integrity_split(a, b, c)	do { } while (0)
-#define bio_integrity_set_tag(a, b, c)	do { } while (0)
-#define bio_integrity_get_tag(a, b, c)	do { } while (0)
-#define bio_integrity_init(a)		do { } while (0)
+
+static inline void bio_integrity_split(struct bio *bio, struct bio_pair *bp,
+				       int sectors)
+{
+	return;
+}
+
+static inline void bio_integrity_advance(struct bio *bio,
+					 unsigned int bytes_done)
+{
+	return;
+}
+
+static inline void bio_integrity_trim(struct bio *bio, unsigned int offset,
+				      unsigned int sectors)
+{
+	return;
+}
+
+static inline void bio_integrity_init(void)
+{
+	return;
+}
 
 #endif /* CONFIG_BLK_DEV_INTEGRITY */