diff options
Diffstat (limited to 'include/linux/blkdev.h')
| -rw-r--r-- | include/linux/blkdev.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 209ba8e7bd31..c01e5d9597f9 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -13,6 +13,7 @@ #include <linux/llist.h> #include <linux/timer.h> #include <linux/workqueue.h> +#include <linux/kthread.h> #include <linux/pagemap.h> #include <linux/backing-dev-defs.h> #include <linux/wait.h> @@ -56,6 +57,14 @@ struct blk_stat_callback; */ #define BLKCG_MAX_POLS 5 +static inline int blk_validate_block_size(unsigned int bsize) +{ + if (bsize < 512 || bsize > PAGE_SIZE || !is_power_of_2(bsize)) + return -EINVAL; + + return 0; +} + typedef void (rq_end_io_fn)(struct request *, blk_status_t); #define BLK_RL_SYNCFULL (1U << 0) @@ -149,6 +158,9 @@ enum mq_rq_state { */ struct request { struct request_queue *q; +#ifdef CONFIG_PREEMPT_RT_FULL + struct work_struct work; +#endif struct blk_mq_ctx *mq_ctx; int cpu; @@ -653,6 +665,7 @@ struct request_queue { #endif struct rcu_head rcu_head; wait_queue_head_t mq_freeze_wq; + struct work_struct mq_pcpu_wake; struct percpu_ref q_usage_counter; struct list_head all_q_node; |