diff options
Diffstat (limited to 'drivers/mmc/card/block.c')
| -rw-r--r-- | drivers/mmc/card/block.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index 5bab73b91c20..dd27b0783d52 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -304,14 +304,13 @@ static int mmc_blk_open(struct block_device *bdev, fmode_t mode) return ret; } -static int mmc_blk_release(struct gendisk *disk, fmode_t mode) +static void mmc_blk_release(struct gendisk *disk, fmode_t mode) { struct mmc_blk_data *md = disk->private_data; mutex_lock(&block_mutex); mmc_blk_put(md); mutex_unlock(&block_mutex); - return 0; } static int @@ -1932,8 +1931,14 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req) } out: - if (!req && !(mq->flags & MMC_QUEUE_NEW_REQUEST)) - /* release host only when there are no more requests */ + if ((!req && !(mq->flags & MMC_QUEUE_NEW_REQUEST)) || + (req && (req->cmd_flags & MMC_REQ_SPECIAL_MASK))) + /* + * Release host when there are no more requests + * and after special request(discard, flush) is done. + * In case sepecial request, there is no reentry to + * the 'mmc_blk_issue_rq' with 'mqrq_prev->req'. + */ mmc_release_host(card->host); return ret; } |