Signed-off-by: Ming Lei <tom.leim...@gmail.com>
---
block/bio.c | 17 +++++++++++------
block/bounce.c | 6 ++++--
2 files changed, 15 insertions(+), 8 deletions(-)
diff --git a/block/bio.c b/block/bio.c
index 8e5af6e8bba3..c9cf0a81cca3 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -934,7 +934,7 @@ int bio_alloc_pages(struct bio *bio, gfp_t gfp_mask)
int i;
struct bio_vec *bv;
- bio_for_each_segment_all(bv, bio, i) {
+ bio_for_each_segment_all_wt(bv, bio, i) {
bv->bv_page = alloc_page(gfp_mask);
if (!bv->bv_page) {
while (--bv >= bio->bi_io_vec)
@@ -1035,8 +1035,9 @@ static int bio_copy_from_iter(struct bio *bio, struct
iov_iter iter)
{
int i;
struct bio_vec *bvec;
+ struct bvec_iter_all bia;
- bio_for_each_segment_all(bvec, bio, i) {
+ bio_for_each_segment_all_rd(bvec, bio, i, bia) {
ssize_t ret;
ret = copy_page_from_iter(bvec->bv_page,
@@ -1066,8 +1067,9 @@ static int bio_copy_to_iter(struct bio *bio, struct
iov_iter iter)
{
int i;
struct bio_vec *bvec;
+ struct bvec_iter_all bia;
- bio_for_each_segment_all(bvec, bio, i) {
+ bio_for_each_segment_all_rd(bvec, bio, i, bia) {
ssize_t ret;
ret = copy_page_to_iter(bvec->bv_page,
@@ -1089,8 +1091,9 @@ void bio_free_pages(struct bio *bio)
{
struct bio_vec *bvec;
int i;
+ struct bvec_iter_all bia;
- bio_for_each_segment_all(bvec, bio, i)
+ bio_for_each_segment_all_rd(bvec, bio, i, bia)
__free_page(bvec->bv_page);
}
EXPORT_SYMBOL(bio_free_pages);
@@ -1390,11 +1393,12 @@ static void __bio_unmap_user(struct bio *bio)
{
struct bio_vec *bvec;
int i;
+ struct bvec_iter_all bia;
/*
* make sure we dirty pages we wrote to
*/
- bio_for_each_segment_all(bvec, bio, i) {
+ bio_for_each_segment_all_rd(bvec, bio, i, bia) {
if (bio_data_dir(bio) == READ)
set_page_dirty_lock(bvec->bv_page);
@@ -1486,8 +1490,9 @@ static void bio_copy_kern_endio_read(struct bio *bio)
char *p = bio->bi_private;
struct bio_vec *bvec;
int i;
+ struct bvec_iter_all bia;
- bio_for_each_segment_all(bvec, bio, i) {
+ bio_for_each_segment_all_rd(bvec, bio, i, bia) {
memcpy(p, page_address(bvec->bv_page), bvec->bv_len);
p += bvec->bv_len;
}
diff --git a/block/bounce.c b/block/bounce.c
index da240d1de809..5459127188c1 100644
--- a/block/bounce.c
+++ b/block/bounce.c
@@ -135,11 +135,12 @@ static void bounce_end_io(struct bio *bio, mempool_t
*pool)
struct bio_vec *bvec, orig_vec;
int i;
struct bvec_iter orig_iter = bio_orig->bi_iter;
+ struct bvec_iter_all bia;
/*
* free up bounce indirect pages used
*/
- bio_for_each_segment_all(bvec, bio, i) {
+ bio_for_each_segment_all_rd(bvec, bio, i, bia) {
orig_vec = bio_iter_iovec(bio_orig, orig_iter);
if (bvec->bv_page == orig_vec.bv_page)
@@ -214,13 +215,14 @@ static void __blk_queue_bounce(struct request_queue *q,
struct bio **bio_orig,
int rw = bio_data_dir(*bio_orig);
struct bio_vec *to;
unsigned i;
+ struct bvec_iter_all bia;
if (!need_bounce(q, *bio_orig))
return;
bio = bio_clone_bioset_sp(*bio_orig, GFP_NOIO, fs_bio_set);
- bio_for_each_segment_all(to, bio, i) {
+ bio_for_each_segment_all_rd(to, bio, i, bia) {
struct page *page = to->bv_page;
if (page_to_pfn(page) <= queue_bounce_pfn(q))
--
2.7.4
