bcache: don't clone bio in bch_data_verify
We immediately overwrite the biovec array, so instead just allocate
a new bio and copy over the disk, setor and size.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Acked-by: Coly Li <colyli@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/drivers/md/bcache/debug.c b/drivers/md/bcache/debug.c
index d030ce3..04d1467 100644
--- a/drivers/md/bcache/debug.c
+++ b/drivers/md/bcache/debug.c
@@ -110,11 +110,15 @@
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;