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-rw-r--r--include/linux/bvec.h14
1 files changed, 10 insertions, 4 deletions
diff --git a/include/linux/bvec.h b/include/linux/bvec.h
index f6275c4da13a..3bc91879e1e2 100644
--- a/include/linux/bvec.h
+++ b/include/linux/bvec.h
@@ -145,18 +145,18 @@ static inline bool bvec_iter_advance(const struct bio_vec *bv,
static inline struct bio_vec *bvec_init_iter_all(struct bvec_iter_all *iter_all)
{
- iter_all->bv.bv_page = NULL;
iter_all->done = 0;
+ iter_all->idx = 0;
return &iter_all->bv;
}
-static inline void mp_bvec_next_segment(const struct bio_vec *bvec,
- struct bvec_iter_all *iter_all)
+static inline void bvec_advance(const struct bio_vec *bvec,
+ struct bvec_iter_all *iter_all)
{
struct bio_vec *bv = &iter_all->bv;
- if (bv->bv_page) {
+ if (iter_all->done) {
bv->bv_page = nth_page(bv->bv_page, 1);
bv->bv_offset = 0;
} else {
@@ -165,6 +165,12 @@ static inline void mp_bvec_next_segment(const struct bio_vec *bvec,
}
bv->bv_len = min_t(unsigned int, PAGE_SIZE - bv->bv_offset,
bvec->bv_len - iter_all->done);
+ iter_all->done += bv->bv_len;
+
+ if (iter_all->done == bvec->bv_len) {
+ iter_all->idx++;
+ iter_all->done = 0;
+ }
}
/*