diff options
Diffstat (limited to 'drivers/mmc/card/queue.h')
| -rw-r--r-- | drivers/mmc/card/queue.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/mmc/card/queue.h b/drivers/mmc/card/queue.h index be58b3c..f1ba6df 100644 --- a/drivers/mmc/card/queue.h +++ b/drivers/mmc/card/queue.h @@ -46,6 +46,8 @@ struct mmc_queue { struct mmc_queue_req mqrq[2]; struct mmc_queue_req *mqrq_cur; struct mmc_queue_req *mqrq_prev; + /* Jiffies until which disable packed command. */ + unsigned long nopacked_period; }; extern int mmc_init_queue(struct mmc_queue *, struct mmc_card *, spinlock_t *, @@ -59,4 +61,20 @@ extern unsigned int mmc_queue_map_sg(struct mmc_queue *, extern void mmc_queue_bounce_pre(struct mmc_queue_req *); extern void mmc_queue_bounce_post(struct mmc_queue_req *); +#define IS_RT_CLASS_REQ(x) \ + (IOPRIO_PRIO_CLASS(req_get_ioprio(x)) == IOPRIO_CLASS_RT) + +static inline void mmc_set_nopacked_period(struct mmc_queue *mq, + unsigned long nopacked_jiffies) +{ + mq->nopacked_period = jiffies + nopacked_jiffies; + smp_wmb(); +} + +static inline int mmc_is_nopacked_period(struct mmc_queue *mq) +{ + smp_rmb(); + return (int)time_is_after_jiffies(mq->nopacked_period); +} + #endif |