block: clear iocb->private in blkdev_bio_end_io_async()

iocb_bio_iopoll() expects iocb->private to be cleared before
releasing the bio.

We already do this in blkdev_bio_end_io(), but we forgot in the
recently added blkdev_bio_end_io_async().

Fixes: 54a88eb838 ("block: add single bio async direct IO helper")
Cc: asml.silence@gmail.com
Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20220211090136.44471-1-sgarzare@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Stefano Garzarella 2022-02-11 10:01:36 +01:00 committed by Jens Axboe
parent e92bc4cd34
commit bb49c6fa8b

View File

@ -289,6 +289,8 @@ static void blkdev_bio_end_io_async(struct bio *bio)
struct kiocb *iocb = dio->iocb;
ssize_t ret;
WRITE_ONCE(iocb->private, NULL);
if (likely(!bio->bi_status)) {
ret = dio->size;
iocb->ki_pos += ret;