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block: allow bio_for_each_segment_all() to iterate over multi-page bvec

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This patch introduces one extra iterator variable to bio_for_each_segment_all(),
then we can allow bio_for_each_segment_all() to iterate over multi-page bvec.

Given it is just one mechannical & simple change on all bio_for_each_segment_all()
users, this patch does tree-wide change in one single patch, so that we can
avoid to use a temporary helper for this conversion.

Reviewed-by: Omar Sandoval <osandov@fb.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Ming Lei
2019-02-15 19:13:19 +08:00
committato da Jens Axboe
parent 2e1f4f4d24
commit 6dc4f100c1
27 ha cambiato i file con 127 aggiunte e 46 eliminazioni
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6
fs/iomap.c
Vedi File

@@ -267,8 +267,9 @@ iomap_read_end_io(struct bio *bio)
int error = blk_status_to_errno(bio->bi_status);
struct bio_vec *bvec;
int i;
struct bvec_iter_all iter_all;
bio_for_each_segment_all(bvec, bio, i)
bio_for_each_segment_all(bvec, bio, i, iter_all)
iomap_read_page_end_io(bvec, error);
bio_put(bio);
}
@@ -1559,8 +1560,9 @@ static void iomap_dio_bio_end_io(struct bio *bio)
} else {
struct bio_vec *bvec;
int i;
struct bvec_iter_all iter_all;
bio_for_each_segment_all(bvec, bio, i)
bio_for_each_segment_all(bvec, bio, i, iter_all)
put_page(bvec->bv_page);
bio_put(bio);
}