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-rw-r--r--include/linux/bio.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/bio.h b/include/linux/bio.h
index 683ff5fd8871..91676d4b2dfe 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -169,6 +169,14 @@ static inline void bio_advance_iter(const struct bio *bio,
#define bio_for_each_bvec(bvl, bio, iter) \
__bio_for_each_bvec(bvl, bio, iter, (bio)->bi_iter)
+/*
+ * Iterate over all multi-page bvecs. Drivers shouldn't use this version for the
+ * same reasons as bio_for_each_segment_all().
+ */
+#define bio_for_each_bvec_all(bvl, bio, i) \
+ for (i = 0, bvl = bio_first_bvec_all(bio); \
+ i < (bio)->bi_vcnt; i++, bvl++) \
+
#define bio_iter_last(bvec, iter) ((iter).bi_size == (bvec).bv_len)
static inline unsigned bio_segments(struct bio *bio)