1 files changed, 9 insertions, 0 deletions

diff --git a/include/linux/bvec.h b/include/linux/bvec.h
index ec8a4d7af6bd..fe7a22dd133b 100644
--- a/include/linux/bvec.h
+++ b/include/linux/bvec.h
@@ -125,4 +125,13 @@ static inline bool bvec_iter_rewind(const struct bio_vec *bv,
                 ((bvl = bvec_iter_bvec((bio_vec), (iter))), 1); \
              bvec_iter_advance((bio_vec), &(iter), (bvl).bv_len))
 
+/* for iterating one bio from start to end */
+#define BVEC_ITER_ALL_INIT (struct bvec_iter)                           \
+{                                                                       \
+        .bi_sector      = 0,                                            \
+        .bi_size        = UINT_MAX,                                     \
+        .bi_idx         = 0,                                            \
+        .bi_bvec_done   = 0,                                            \
+}
+
 #endif /* __LINUX_BVEC_ITER_H */