On 04/28/2017 04:55 PM, Jens Axboe wrote:
> We have update the troublesome driver (mtip32xx) to deal with this
> appropriately. So kill the hack that bypassed scheduler allocation
> and insertion for reserved requests.
>
updated?
> Signed-off-by: Jens Axboe <axboe@xxxxxx>
> ---
> block/blk-mq-sched.c | 6 +-----
> 1 file changed, 1 insertion(+), 5 deletions(-)
>
> diff --git a/block/blk-mq-sched.c b/block/blk-mq-sched.c
> index 8b361e192e8a..e79e9f18d7c2 100644
> --- a/block/blk-mq-sched.c
> +++ b/block/blk-mq-sched.c
> @@ -82,11 +82,7 @@ struct request *blk_mq_sched_get_request(struct request_queue *q,
> if (likely(!data->hctx))
> data->hctx = blk_mq_map_queue(q, data->ctx->cpu);
>
> - /*
> - * For a reserved tag, allocate a normal request since we might
> - * have driver dependencies on the value of the internal tag.
> - */
> - if (e && !(data->flags & BLK_MQ_REQ_RESERVED)) {
> + if (e) {
> data->flags |= BLK_MQ_REQ_INTERNAL;
>
> /*
>
Reviewed-by: Hannes Reinecke <hare@xxxxxxxx>
Cheers,
Hannes
--
Dr. Hannes Reinecke Teamlead Storage & Networking
hare@xxxxxxx +49 911 74053 688
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton
HRB 21284 (AG Nürnberg)
