bio_issue 486 block/blk-iolatency.c struct bio_issue *issue, u64 now, bio_issue 121 include/linux/blk_types.h static inline u64 bio_issue_time(struct bio_issue *issue) bio_issue 126 include/linux/blk_types.h static inline sector_t bio_issue_size(struct bio_issue *issue) bio_issue 131 include/linux/blk_types.h static inline void bio_issue_init(struct bio_issue *issue, bio_issue 171 include/linux/blk_types.h struct bio_issue bi_issue;