diff options
Diffstat (limited to 'include/linux/blk_types.h')
| -rw-r--r-- | include/linux/blk_types.h | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index 12d87cef2c03..cb1526ec44b5 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h @@ -207,52 +207,10 @@ static inline bool blk_path_error(blk_status_t error) return true; } -/* - * From most significant bit: - * 1 bit: reserved for other usage, see below - * 12 bits: original size of bio - * 51 bits: issue time of bio - */ -#define BIO_ISSUE_RES_BITS 1 -#define BIO_ISSUE_SIZE_BITS 12 -#define BIO_ISSUE_RES_SHIFT (64 - BIO_ISSUE_RES_BITS) -#define BIO_ISSUE_SIZE_SHIFT (BIO_ISSUE_RES_SHIFT - BIO_ISSUE_SIZE_BITS) -#define BIO_ISSUE_TIME_MASK ((1ULL << BIO_ISSUE_SIZE_SHIFT) - 1) -#define BIO_ISSUE_SIZE_MASK \ - (((1ULL << BIO_ISSUE_SIZE_BITS) - 1) << BIO_ISSUE_SIZE_SHIFT) -#define BIO_ISSUE_RES_MASK (~((1ULL << BIO_ISSUE_RES_SHIFT) - 1)) - -/* Reserved bit for blk-throtl */ -#define BIO_ISSUE_THROTL_SKIP_LATENCY (1ULL << 63) - struct bio_issue { u64 value; }; -static inline u64 __bio_issue_time(u64 time) -{ - return time & BIO_ISSUE_TIME_MASK; -} - -static inline u64 bio_issue_time(struct bio_issue *issue) -{ - return __bio_issue_time(issue->value); -} - -static inline sector_t bio_issue_size(struct bio_issue *issue) -{ - return ((issue->value & BIO_ISSUE_SIZE_MASK) >> BIO_ISSUE_SIZE_SHIFT); -} - -static inline void bio_issue_init(struct bio_issue *issue, - sector_t size) -{ - size &= (1ULL << BIO_ISSUE_SIZE_BITS) - 1; - issue->value = ((issue->value & BIO_ISSUE_RES_MASK) | - (ktime_get_ns() & BIO_ISSUE_TIME_MASK) | - ((u64)size << BIO_ISSUE_SIZE_SHIFT)); -} - typedef __u32 __bitwise blk_opf_t; typedef unsigned int blk_qc_t; |