1 files changed, 13 insertions, 7 deletions

diff --git a/include/linux/bio.h b/include/linux/bio.h
index 5274103434ad..ce33e6868a2f 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -66,10 +66,6 @@
 #define bio_offset(bio)         bio_iovec((bio))->bv_offset
 #define bio_segments(bio)       ((bio)->bi_vcnt - (bio)->bi_idx)
 #define bio_sectors(bio)        ((bio)->bi_size >> 9)
-#define bio_empty_barrier(bio) \
-        ((bio->bi_rw & REQ_HARDBARRIER) && \
-         !bio_has_data(bio) && \
-         !(bio->bi_rw & REQ_DISCARD))
 
 static inline unsigned int bio_cur_bytes(struct bio *bio)
 {
@@ -308,7 +304,6 @@ struct biovec_slab {
 };
 
 extern struct bio_set *fs_bio_set;
-extern struct biovec_slab bvec_slabs[BIOVEC_NR_POOLS] __read_mostly;
 
 /*
  * a small number of entries is fine, not going to be performance critical.
@@ -346,8 +341,15 @@ static inline void bvec_kunmap_irq(char *buffer, unsigned long *flags)
 }
 
 #else
-#define bvec_kmap_irq(bvec, flags)      (page_address((bvec)->bv_page) + (bvec)->bv_offset)
-#define bvec_kunmap_irq(buf, flags)     do { *(flags) = 0; } while (0)
+static inline char *bvec_kmap_irq(struct bio_vec *bvec, unsigned long *flags)
+{
+        return page_address(bvec->bv_page) + bvec->bv_offset;
+}
+
+static inline void bvec_kunmap_irq(char *buffer, unsigned long *flags)
+{
+        *flags = 0;
+}
 #endif
 
 static inline char *__bio_kmap_irq(struct bio *bio, unsigned short idx,
@@ -496,6 +498,10 @@ static inline struct bio *bio_list_get(struct bio_list *bl)
 #define bip_for_each_vec(bvl, bip, i)                                   \
         __bip_for_each_vec(bvl, bip, i, (bip)->bip_idx)
 
+#define bio_for_each_integrity_vec(_bvl, _bio, _iter)                   \
+        for_each_bio(_bio)                                              \
+                bip_for_each_vec(_bvl, _bio->bi_integrity, _iter)
+
 #define bio_integrity(bio) (bio->bi_integrity != NULL)
 
 extern struct bio_integrity_payload *bio_integrity_alloc_bioset(struct bio *, gfp_t, unsigned int, struct bio_set *);