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-rw-r--r--include/linux/bvec.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/bvec.h b/include/linux/bvec.h
index 4376f683c08a..87e82e503a52 100644
--- a/include/linux/bvec.h
+++ b/include/linux/bvec.h
@@ -188,4 +188,9 @@ static inline void mp_bvec_last_segment(const struct bio_vec *bvec,
}
}
+#define mp_bvec_for_each_page(pg, bv, i) \
+ for (i = (bv)->bv_offset / PAGE_SIZE; \
+ (i <= (((bv)->bv_offset + (bv)->bv_len - 1) / PAGE_SIZE)) && \
+ (pg = bvec_nth_page((bv)->bv_page, i)); i += 1)
+
#endif /* __LINUX_BVEC_ITER_H */