Hi Adrian..
I also found this problem..
So i confused the same mmcdq name.
Thanks for fixed the mmcqd name.
Regards,
Jaehoon Chung
Adrian Hunter wrote:
> For example, an eMMC with 2 boot partitions will have 3 threads.
> The names change from:
>
> 40 ? 00:00:00 mmcqd/0
> 41 ? 00:00:00 mmcqd/0
> 42 ? 00:00:00 mmcqd/0
>
> to:
>
> 40 ? 00:00:00 mmcqd/0
> 41 ? 00:00:00 mmcqd/0boot0
> 42 ? 00:00:00 mmcqd/0boot1
>
> Signed-off-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
> Cc: Andrei Warkentin <andreiw@xxxxxxxxxxxx>
> ---
> drivers/mmc/card/block.c | 2 +-
> drivers/mmc/card/queue.c | 8 +++++---
> drivers/mmc/card/queue.h | 3 ++-
> 3 files changed, 8 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
> index d36b7ea..bee2106 100644
> --- a/drivers/mmc/card/block.c
> +++ b/drivers/mmc/card/block.c
> @@ -1167,7 +1167,7 @@ static struct mmc_blk_data *mmc_blk_alloc_req(struct mmc_card *card,
> INIT_LIST_HEAD(&md->part);
> md->usage = 1;
>
> - ret = mmc_init_queue(&md->queue, card, &md->lock);
> + ret = mmc_init_queue(&md->queue, card, &md->lock, subname);
> if (ret)
> goto err_putdisk;
>
> diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c
> index c07322c..3e2db1c 100644
> --- a/drivers/mmc/card/queue.c
> +++ b/drivers/mmc/card/queue.c
> @@ -106,10 +106,12 @@ static void mmc_request(struct request_queue *q)
> * @mq: mmc queue
> * @card: mmc card to attach this queue
> * @lock: queue lock
> + * @subname: partition subname
> *
> * Initialise a MMC card request queue.
> */
> -int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, spinlock_t *lock)
> +int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card,
> + spinlock_t *lock, const char *subname)
> {
> struct mmc_host *host = card->host;
> u64 limit = BLK_BOUNCE_HIGH;
> @@ -209,8 +211,8 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, spinlock_t *lock
>
> sema_init(&mq->thread_sem, 1);
>
> - mq->thread = kthread_run(mmc_queue_thread, mq, "mmcqd/%d",
> - host->index);
> + mq->thread = kthread_run(mmc_queue_thread, mq, "mmcqd/%d%s",
> + host->index, subname ? subname : "");
>
> if (IS_ERR(mq->thread)) {
> ret = PTR_ERR(mq->thread);
> diff --git a/drivers/mmc/card/queue.h b/drivers/mmc/card/queue.h
> index 64e66e0..6223ef8 100644
> --- a/drivers/mmc/card/queue.h
> +++ b/drivers/mmc/card/queue.h
> @@ -19,7 +19,8 @@ struct mmc_queue {
> unsigned int bounce_sg_len;
> };
>
> -extern int mmc_init_queue(struct mmc_queue *, struct mmc_card *, spinlock_t *);
> +extern int mmc_init_queue(struct mmc_queue *, struct mmc_card *, spinlock_t *,
> + const char *);
> extern void mmc_cleanup_queue(struct mmc_queue *);
> extern void mmc_queue_suspend(struct mmc_queue *);
> extern void mmc_queue_resume(struct mmc_queue *);
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