From: Christoph Hellwig <hch@xxxxxx>
We immediately overwrite the biovec array, so instead just allocate
a new bio and copy over the disk, setor and size.
Acked-by: Coly Li <colyli@xxxxxxx>
Reviewed-by: Ming Lei <ming.lei@xxxxxxxxxx>
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
drivers/md/bcache/debug.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/md/bcache/debug.c b/drivers/md/bcache/debug.c
index d030ce3025a6..04d146711950 100644
--- a/drivers/md/bcache/debug.c
+++ b/drivers/md/bcache/debug.c
@@ -110,11 +110,15 @@ void bch_data_verify(struct cached_dev *dc, struct bio *bio)
struct bio_vec bv, cbv;
struct bvec_iter iter, citer = { 0 };
- check = bio_clone_kmalloc(bio, GFP_NOIO);
+ check = bio_kmalloc(GFP_NOIO, bio_segments(bio));
if (!check)
return;
+ check->bi_disk = bio->bi_disk;
check->bi_opf = REQ_OP_READ;
+ check->bi_iter.bi_sector = bio->bi_iter.bi_sector;
+ check->bi_iter.bi_size = bio->bi_iter.bi_size;
+ bch_bio_map(check, NULL);
if (bch_bio_alloc_pages(check, GFP_NOIO))
goto out_put;
--
2.9.5
