On 12/23/23 2:07 AM, xingwei lee wrote:
> with the patch that you provided make a little change to apply to this
> commit: 5254c0cbc92d2a08e75443bdb914f1c4839cdf5a
>
> diff --git a/io_uring/rw.c b/io_uring/rw.c
> index 4943d683508b..0c856726b15d 100644
> --- a/io_uring/rw.c
> +++ b/io_uring/rw.c
> @@ -589,15 +589,19 @@ static inline int io_rw_prep_async(struct
> io_kiocb *req, int rw)
> struct iovec *iov;
> int ret;
>
> + iorw->bytes_done = 0;
> + iorw->free_iovec = NULL;
> +
> /* submission path, ->uring_lock should already be taken */
> ret = io_import_iovec(rw, req, &iov, &iorw->s, 0);
> if (unlikely(ret < 0))
> return ret;
>
> - iorw->bytes_done = 0;
> - iorw->free_iovec = iov;
> - if (iov)
> + if (iov) {
> + iorw->free_iovec = iov;
> req->flags |= REQ_F_NEED_CLEANUP;
> + }
> +
> return 0;
> }
>
> since the reproducer is in a loop
> and I ran for about 30 minutes it didn't trigger any issues.
>
> I hope it helps.
Yep, thanks for testing!
--
Jens Axboe
