diff options
Diffstat (limited to 'include/linux/blkdev.h')
| -rw-r--r-- | include/linux/blkdev.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index f3fff8bf85ee..d483c494672a 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1209,9 +1209,27 @@ static inline void set_io_start_time_ns(struct request *req) { req->io_start_time_ns = sched_clock(); } + +static inline uint64_t rq_start_time_ns(struct request *req) +{ + return req->start_time_ns; +} + +static inline uint64_t rq_io_start_time_ns(struct request *req) +{ + return req->io_start_time_ns; +} #else static inline void set_start_time_ns(struct request *req) {} static inline void set_io_start_time_ns(struct request *req) {} +static inline uint64_t rq_start_time_ns(struct request *req) +{ + return 0; +} +static inline uint64_t rq_io_start_time_ns(struct request *req) +{ + return 0; +} #endif #define MODULE_ALIAS_BLOCKDEV(major,minor) \ |