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| author | Ingo Molnar <mingo@kernel.org> | 2018-10-16 17:30:11 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2018-10-16 17:30:11 +0200 |
| commit | ec57e2f0acb01710cd465bc04495ed03a9e0fea1 (patch) | |
| tree | 9f45889ba31b750f99fd3d0b625684d9b4cd4f17 /include/linux/genhd.h | |
| parent | 4766ab5677a2842834f9bc4a21587256a811531c (diff) | |
| parent | 72a9c673636b779e370983fea08e40f97039b981 (diff) | |
| download | lwn-ec57e2f0acb01710cd465bc04495ed03a9e0fea1.tar.gz lwn-ec57e2f0acb01710cd465bc04495ed03a9e0fea1.zip | |
Merge branch 'x86/build' into locking/core, to pick up dependent patches and unify jump-label work
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/genhd.h')
| -rw-r--r-- | include/linux/genhd.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/genhd.h b/include/linux/genhd.h index 57864422a2c8..25c08c6c7f99 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -83,10 +83,10 @@ struct partition { } __attribute__((packed)); struct disk_stats { + u64 nsecs[NR_STAT_GROUPS]; unsigned long sectors[NR_STAT_GROUPS]; unsigned long ios[NR_STAT_GROUPS]; unsigned long merges[NR_STAT_GROUPS]; - unsigned long ticks[NR_STAT_GROUPS]; unsigned long io_ticks; unsigned long time_in_queue; }; @@ -354,6 +354,9 @@ static inline void free_part_stats(struct hd_struct *part) #endif /* CONFIG_SMP */ +#define part_stat_read_msecs(part, which) \ + div_u64(part_stat_read(part, nsecs[which]), NSEC_PER_MSEC) + #define part_stat_read_accum(part, field) \ (part_stat_read(part, field[STAT_READ]) + \ part_stat_read(part, field[STAT_WRITE]) + \ |