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authorChristoph Hellwig <hch@lst.de>2019-04-25 07:03:00 (GMT)
committerJens Axboe <axboe@kernel.dk>2019-04-30 15:26:13 (GMT)
commit2b070cfe582b8e99fec6ada57d2e59e194aae202 (patch)
tree354961c24c2cc77cdaa66128c5f2a0997bc746e8 /block
parentf936b06ae53815a7633b30ffd8cf5661ac826b3a (diff)
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block: remove the i argument to bio_for_each_segment_all
We only have two callers that need the integer loop iterator, and they can easily maintain it themselves. Suggested-by: Matthew Wilcox <willy@infradead.org> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Acked-by: David Sterba <dsterba@suse.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Acked-by: Coly Li <colyli@suse.de> Reviewed-by: Matthew Wilcox <willy@infradead.org> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
-rw-r--r--block/bio.c29
-rw-r--r--block/bounce.c3
2 files changed, 11 insertions, 21 deletions
diff --git a/block/bio.c b/block/bio.c
index 662d457..9ad0d00 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -874,9 +874,8 @@ static void bio_get_pages(struct bio *bio)
{
struct bvec_iter_all iter_all;
struct bio_vec *bvec;
- int i;
- bio_for_each_segment_all(bvec, bio, i, iter_all)
+ bio_for_each_segment_all(bvec, bio, iter_all)
get_page(bvec->bv_page);
}
@@ -884,9 +883,8 @@ static void bio_release_pages(struct bio *bio)
{
struct bvec_iter_all iter_all;
struct bio_vec *bvec;
- int i;
- bio_for_each_segment_all(bvec, bio, i, iter_all)
+ bio_for_each_segment_all(bvec, bio, iter_all)
put_page(bvec->bv_page);
}
@@ -1166,11 +1164,10 @@ static struct bio_map_data *bio_alloc_map_data(struct iov_iter *data,
*/
static int bio_copy_from_iter(struct bio *bio, struct iov_iter *iter)
{
- int i;
struct bio_vec *bvec;
struct bvec_iter_all iter_all;
- bio_for_each_segment_all(bvec, bio, i, iter_all) {
+ bio_for_each_segment_all(bvec, bio, iter_all) {
ssize_t ret;
ret = copy_page_from_iter(bvec->bv_page,
@@ -1198,11 +1195,10 @@ static int bio_copy_from_iter(struct bio *bio, struct iov_iter *iter)
*/
static int bio_copy_to_iter(struct bio *bio, struct iov_iter iter)
{
- int i;
struct bio_vec *bvec;
struct bvec_iter_all iter_all;
- bio_for_each_segment_all(bvec, bio, i, iter_all) {
+ bio_for_each_segment_all(bvec, bio, iter_all) {
ssize_t ret;
ret = copy_page_to_iter(bvec->bv_page,
@@ -1223,10 +1219,9 @@ static int bio_copy_to_iter(struct bio *bio, struct iov_iter iter)
void bio_free_pages(struct bio *bio)
{
struct bio_vec *bvec;
- int i;
struct bvec_iter_all iter_all;
- bio_for_each_segment_all(bvec, bio, i, iter_all)
+ bio_for_each_segment_all(bvec, bio, iter_all)
__free_page(bvec->bv_page);
}
EXPORT_SYMBOL(bio_free_pages);
@@ -1464,7 +1459,7 @@ struct bio *bio_map_user_iov(struct request_queue *q,
return bio;
out_unmap:
- bio_for_each_segment_all(bvec, bio, j, iter_all) {
+ bio_for_each_segment_all(bvec, bio, iter_all) {
put_page(bvec->bv_page);
}
bio_put(bio);
@@ -1474,13 +1469,12 @@ struct bio *bio_map_user_iov(struct request_queue *q,
static void __bio_unmap_user(struct bio *bio)
{
struct bio_vec *bvec;
- int i;
struct bvec_iter_all iter_all;
/*
* make sure we dirty pages we wrote to
*/
- bio_for_each_segment_all(bvec, bio, i, iter_all) {
+ bio_for_each_segment_all(bvec, bio, iter_all) {
if (bio_data_dir(bio) == READ)
set_page_dirty_lock(bvec->bv_page);
@@ -1571,10 +1565,9 @@ 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 iter_all;
- bio_for_each_segment_all(bvec, bio, i, iter_all) {
+ bio_for_each_segment_all(bvec, bio, iter_all) {
memcpy(p, page_address(bvec->bv_page), bvec->bv_len);
p += bvec->bv_len;
}
@@ -1682,10 +1675,9 @@ cleanup:
void bio_set_pages_dirty(struct bio *bio)
{
struct bio_vec *bvec;
- int i;
struct bvec_iter_all iter_all;
- bio_for_each_segment_all(bvec, bio, i, iter_all) {
+ bio_for_each_segment_all(bvec, bio, iter_all) {
if (!PageCompound(bvec->bv_page))
set_page_dirty_lock(bvec->bv_page);
}
@@ -1734,10 +1726,9 @@ void bio_check_pages_dirty(struct bio *bio)
{
struct bio_vec *bvec;
unsigned long flags;
- int i;
struct bvec_iter_all iter_all;
- bio_for_each_segment_all(bvec, bio, i, iter_all) {
+ bio_for_each_segment_all(bvec, bio, iter_all) {
if (!PageDirty(bvec->bv_page) && !PageCompound(bvec->bv_page))
goto defer;
}
diff --git a/block/bounce.c b/block/bounce.c
index 47eb7e9..f8ed677 100644
--- a/block/bounce.c
+++ b/block/bounce.c
@@ -163,14 +163,13 @@ static void bounce_end_io(struct bio *bio, mempool_t *pool)
{
struct bio *bio_orig = bio->bi_private;
struct bio_vec *bvec, orig_vec;
- int i;
struct bvec_iter orig_iter = bio_orig->bi_iter;
struct bvec_iter_all iter_all;
/*
* free up bounce indirect pages used
*/
- bio_for_each_segment_all(bvec, bio, i, iter_all) {
+ bio_for_each_segment_all(bvec, bio, iter_all) {
orig_vec = bio_iter_iovec(bio_orig, orig_iter);
if (bvec->bv_page != orig_vec.bv_page) {
dec_zone_page_state(bvec->bv_page, NR_BOUNCE);