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| author | codeworkx <codeworkx@cyanogenmod.com> | 2012-09-22 09:48:20 +0200 |
|---|---|---|
| committer | codeworkx <codeworkx@cyanogenmod.com> | 2012-09-22 14:02:16 +0200 |
| commit | 2489007e7d740ccbc3e0a202914e243ad5178787 (patch) | |
| tree | b8e6380ea7b1da63474ad68a5dba997e01146043 /drivers/mmc/card/queue.h | |
| parent | 5f67568eb31e3a813c7c52461dcf66ade15fc2e7 (diff) | |
| download | kernel_samsung_smdk4412-2489007e7d740ccbc3e0a202914e243ad5178787.zip kernel_samsung_smdk4412-2489007e7d740ccbc3e0a202914e243ad5178787.tar.gz kernel_samsung_smdk4412-2489007e7d740ccbc3e0a202914e243ad5178787.tar.bz2 | |
merge opensource jb u5
Change-Id: I1aaec157aa196f3448eff8636134fce89a814cf2
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 |