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

[Konstantin Dorfman <kdorfman@codeaurora.org>]

Tested-by: Konstantin Dorfman <kdorfman@codeaurora.org>

On 01/22/2013 12:48 PM, 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;
>


-- 
Konstantin Dorfman,
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