summaryrefslogtreecommitdiff
path: root/include/linux/bvec.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/bvec.h')
-rw-r--r--include/linux/bvec.h52
1 files changed, 4 insertions, 48 deletions
diff --git a/include/linux/bvec.h b/include/linux/bvec.h
index a11373db..5bc68b42 100644
--- a/include/linux/bvec.h
+++ b/include/linux/bvec.h
@@ -43,6 +43,10 @@ struct bvec_iter {
current bvec */
};
+struct bvec_iter_all {
+ int idx;
+};
+
/*
* various member access, note that bio_data should of course not be used
* on highmem page vectors
@@ -94,52 +98,4 @@ static inline void bvec_iter_advance(const struct bio_vec *bv,
((bvl = bvec_iter_bvec((bio_vec), (iter))), 1); \
bvec_iter_advance((bio_vec), &(iter), (bvl).bv_len))
-/*
- * bvec_iter_all: for advancing over individual pages in a bio, as it was when
- * it was first created:
- */
-struct bvec_iter_all {
- int idx;
- unsigned done;
-};
-
-static inline void bvec_iter_all_init(struct bvec_iter_all *iter_all)
-{
- iter_all->done = 0;
- iter_all->idx = 0;
-}
-
-static inline struct bio_vec __bvec_iter_all_peek(const struct bio_vec *bvec,
- const struct bvec_iter_all *iter)
-{
- struct bio_vec bv = bvec[iter->idx];
-
- BUG_ON(iter->done >= bv.bv_len);
-
- bv.bv_offset += iter->done;
- bv.bv_len -= iter->done;
- return bv;
-}
-
-static inline struct bio_vec bvec_iter_all_peek(const struct bio_vec *bvec,
- const struct bvec_iter_all *iter)
-{
- struct bio_vec bv = __bvec_iter_all_peek(bvec, iter);
-
- bv.bv_len = min_t(unsigned, PAGE_SIZE - bv.bv_offset, bv.bv_len);
- return bv;
-}
-
-static inline void bvec_iter_all_advance(const struct bio_vec *bvec,
- struct bvec_iter_all *iter,
- unsigned bytes)
-{
- iter->done += bytes;
-
- while (iter->done && iter->done >= bvec[iter->idx].bv_len) {
- iter->done -= bvec[iter->idx].bv_len;
- iter->idx++;
- }
-}
-
#endif /* __LINUX_BVEC_ITER_H */