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Merge tag 'for-linus-20180922' of git://git.kernel.dk/linux-block

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Jens writes:
  "Just a single fix in this pull request, fixing a regression in
  /proc/diskstats caused by the unification of timestamps."

* tag 'for-linus-20180922' of git://git.kernel.dk/linux-block:
  block: use nanosecond resolution for iostat
This commit is contained in:
Greg Kroah-Hartman
2018-09-23 08:33:28 +02:00
parent 328c6333ba b57e99b4b8
commit a83f87c1d2
5 changed files with 12 additions and 11 deletions
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5
include/linux/genhd.h
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@@ -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]) + \