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authorJens Axboe <axboe@kernel.dk>2024-01-16 14:14:59 -0700
committerJens Axboe <axboe@kernel.dk>2024-02-05 10:07:17 -0700
commitc4e47bbb00dad9240f4c054859950e962042ecb8 (patch)
tree8b543ed825f8dd5cdbe231f1b5aeffeb6720c144 /include/linux/blk_types.h
parentblk-mq: special case cached requests less (diff)
downloadwireguard-linux-c4e47bbb00dad9240f4c054859950e962042ecb8.tar.xz
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block: move cgroup time handling code into blk.h
In preparation for moving time keeping into blk.h, move the cgroup related code for timestamps in here too. This will help avoid a circular dependency, and also moves it into a more appropriate header as this one is private to the block layer code. Leave struct bio_issue in blk_types.h as it's a proper time definition. Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/linux/blk_types.h')
-rw-r--r--include/linux/blk_types.h42
1 files changed, 0 insertions, 42 deletions
diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h
index f288c94374b3..1c07848dea7e 100644
--- a/include/linux/blk_types.h
+++ b/include/linux/blk_types.h
@@ -206,52 +206,10 @@ 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;