Re: [PATCH 1/2] block: export __blk_complete_request

From: Ming Lei
Date: Thu Jun 14 2018 - 22:17:38 EST


On Fri, Jun 15, 2018 at 9:57 AM, Jianchao Wang
<jianchao.w.wang@xxxxxxxxxx> wrote:
> After f6e7d48 (block: remove BLK_EH_HANDLED), LLDD is responsible
> to complete the timed out request, however, for blk-legacy, the
> 'complete' is still marked, blk_complete_request will do nothing,
> we export __blk_complete_request for LLDD to complete the request
> in timeout path.
>
> Signed-off-by: Jianchao Wang <jianchao.w.wang@xxxxxxxxxx>
> ---
> block/blk-softirq.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/block/blk-softirq.c b/block/blk-softirq.c
> index 01e2b35..15c1f5e 100644
> --- a/block/blk-softirq.c
> +++ b/block/blk-softirq.c
> @@ -144,6 +144,7 @@ void __blk_complete_request(struct request *req)
>
> local_irq_restore(flags);
> }
> +EXPORT_SYMBOL(__blk_complete_request);
>
> /**
> * blk_complete_request - end I/O on a request
> --
> 2.7.4
>

Looks non-blk-mq timeout code need to convert to ref-counter
based approach too?

Thanks,
Ming Lei