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mmc: block: break out mmc_blk_rw_start_new()

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As a step toward breaking apart the very complex function
mmc_blk_issue_rw_rq() we break out the code to start a new
request.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Linus Walleij
2017-01-24 11:17:53 +01:00
committed by Ulf Hansson
parent 4e1f780032
commit efb5a05e70
1 changed files with 17 additions and 10 deletions
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27
drivers/mmc/core/block.c
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@@ -1609,6 +1609,22 @@ static void mmc_blk_rw_cmd_abort(struct mmc_card *card, struct request *req)
blk_rq_cur_bytes(req)); blk_rq_cur_bytes(req));
} }
static void mmc_blk_rw_start_new(struct mmc_queue *mq, struct mmc_card *card,
struct request *req)
{
if (!req)
return;
if (mmc_card_removed(card)) {
req->rq_flags |= RQF_QUIET;
blk_end_request_all(req, -EIO);
} else {
mmc_blk_rw_rq_prep(mq->mqrq_cur, card, 0, mq);
mmc_start_req(card->host,
&mq->mqrq_cur->mmc_active, NULL);
}
}
static int mmc_blk_issue_rw_rq(struct mmc_queue *mq, struct request *rqc) static int mmc_blk_issue_rw_rq(struct mmc_queue *mq, struct request *rqc)
{ {
struct mmc_blk_data *md = mq->blkdata; struct mmc_blk_data *md = mq->blkdata;
@@ -1751,16 +1767,7 @@ static int mmc_blk_issue_rw_rq(struct mmc_queue *mq, struct request *rqc)
mmc_blk_rw_cmd_abort(card, req); mmc_blk_rw_cmd_abort(card, req);
start_new_req: start_new_req:
if (rqc) { mmc_blk_rw_start_new(mq, card, rqc);
if (mmc_card_removed(card)) {
rqc->rq_flags |= RQF_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; return 0;
} }