Re: [PATCH 2/2] mmc: block: don't start new request when the card is removed

[Chris Ball <cjb@laptop.org>]

Hi,

On Tue, Jan 22 2013, Seungwon Jeon wrote:
> Current request can be started newly while handling the error.
> But if the card is removed, it's unnecessary to restart a request.
> This makes the extra error handling.
>
> Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com>
> ---
>  drivers/mmc/card/block.c |   10 ++++++++--
>  1 files changed, 8 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
> index f79b468..1170afe 100644
> --- a/drivers/mmc/card/block.c
> +++ b/drivers/mmc/card/block.c
> @@ -1456,8 +1456,14 @@ static int mmc_blk_issue_rw_rq(struct mmc_queue *mq, struct request *rqc)
>  
>   start_new_req:
>  	if (rqc) {
> -		mmc_blk_rw_rq_prep(mq->mqrq_cur, card, 0, mq);
> -		mmc_start_req(card->host, &mq->mqrq_cur->mmc_active, NULL);
> +		if (mmc_card_removed(card)) {
> +			rqc->cmd_flags |= REQ_QUIET;
> +			blk_end_request_all(rqc, -EIO);
> +		} else {
> +			mmc_blk_rw_rq_prep(mq->mqrq_cur, card, 0, mq);
> +			mmc_start_req(card->host,
> +				      &mq->mqrq_cur->mmc_active, NULL);
> +		}
>  	}
>  
>  	return 0;

Thanks, pushed to mmc-next for 3.9.

- Chris.
-- 
Chris Ball   <cjb@laptop.org>   <http://printf.net/>
One Laptop Per Child