diff options
Diffstat (limited to 'include/linux/blkdev.h')
| -rw-r--r-- | include/linux/blkdev.h | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 5c4eee043191..f2c2fc011e6b 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -206,8 +206,18 @@ struct request { struct gendisk *rq_disk; struct hd_struct *part; unsigned long start_time; - struct blk_issue_stat issue_stat; - /* Number of scatter-gather DMA addr+len pairs after + /* Time that I/O was submitted to the device. */ + u64 io_start_time_ns; + +#ifdef CONFIG_BLK_WBT + unsigned short wbt_flags; +#endif +#ifdef CONFIG_BLK_DEV_THROTTLING_LOW + unsigned short throtl_size; +#endif + + /* + * Number of scatter-gather DMA addr+len pairs after * physical address coalescing is performed. */ unsigned short nr_phys_segments; @@ -267,8 +277,8 @@ struct request { #ifdef CONFIG_BLK_CGROUP struct request_list *rl; /* rl this rq is alloced from */ - unsigned long long start_time_ns; - unsigned long long io_start_time_ns; /* when passed to hardware */ + unsigned long long cgroup_start_time_ns; + unsigned long long cgroup_io_start_time_ns; /* when passed to hardware */ #endif }; @@ -1797,25 +1807,25 @@ int kblockd_mod_delayed_work_on(int cpu, struct delayed_work *dwork, unsigned lo static inline void set_start_time_ns(struct request *req) { preempt_disable(); - req->start_time_ns = sched_clock(); + req->cgroup_start_time_ns = sched_clock(); preempt_enable(); } static inline void set_io_start_time_ns(struct request *req) { preempt_disable(); - req->io_start_time_ns = sched_clock(); + req->cgroup_io_start_time_ns = sched_clock(); preempt_enable(); } static inline uint64_t rq_start_time_ns(struct request *req) { - return req->start_time_ns; + return req->cgroup_start_time_ns; } static inline uint64_t rq_io_start_time_ns(struct request *req) { - return req->io_start_time_ns; + return req->cgroup_io_start_time_ns; } #else static inline void set_start_time_ns(struct request *req) {} |