On Wed 18-12-13 18:23:36, Jan Kara wrote:
> Abusing rq->csd.list for a list of requests to complete is rather ugly.
> Especially since using queuelist should be safe and much cleaner.
This is the correct patch 2/3.
Honza
>
> Signed-off-by: Jan Kara <[email protected]>
> ---
> block/blk-softirq.c | 12 ++++++------
> 1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/block/blk-softirq.c b/block/blk-softirq.c
> index 57790c1a97eb..7ea5534096d5 100644
> --- a/block/blk-softirq.c
> +++ b/block/blk-softirq.c
> @@ -30,8 +30,8 @@ static void blk_done_softirq(struct softirq_action *h)
> while (!list_empty(&local_list)) {
> struct request *rq;
>
> - rq = list_entry(local_list.next, struct request, csd.list);
> - list_del_init(&rq->csd.list);
> + rq = list_entry(local_list.next, struct request, queuelist);
> + list_del_init(&rq->queuelist);
> rq->q->softirq_done_fn(rq);
> }
> }
> @@ -45,9 +45,9 @@ static void trigger_softirq(void *data)
>
> local_irq_save(flags);
> list = this_cpu_ptr(&blk_cpu_done);
> - list_add_tail(&rq->csd.list, list);
> + list_add_tail(&rq->queuelist, list);
>
> - if (list->next == &rq->csd.list)
> + if (list->next == &rq->queuelist)
> raise_softirq_irqoff(BLOCK_SOFTIRQ);
>
> local_irq_restore(flags);
> @@ -136,7 +136,7 @@ void __blk_complete_request(struct request *req)
> struct list_head *list;
> do_local:
> list = this_cpu_ptr(&blk_cpu_done);
> - list_add_tail(&req->csd.list, list);
> + list_add_tail(&req->queuelist, list);
>
> /*
> * if the list only contains our just added request,
> @@ -144,7 +144,7 @@ do_local:
> * entries there, someone already raised the irq but it
> * hasn't run yet.
> */
> - if (list->next == &req->csd.list)
> + if (list->next == &req->queuelist)
> raise_softirq_irqoff(BLOCK_SOFTIRQ);
> } else if (raise_blk_irq(ccpu, req))
> goto do_local;
> --
> 1.8.1.4
>
--
Jan Kara <[email protected]>
SUSE Labs, CR
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