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Add msec/usec/nsec to tick convertors

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Add wrappers for the Solaris MSEC_TO_TICK, USEC_TO_TICK, and
NSEC_TO_TICK conversion functions.  They are mapped directly to
their Linux counterparts with the exception of NSEC_TO_TICK
can cannot use usecs_to_jiffies() because it is not exported
by the kernel.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
This commit is contained in:
Brian Behlendorf 2013-04-30 09:46:33 -07:00
parent 8bbda8df3e
commit f6437b60c2
1 changed files with 5 additions and 0 deletions
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5
include/sys/timer.h
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@ -37,5 +37,10 @@
#define delay(ticks) schedule_timeout((long)(ticks))
#define SEC_TO_TICK(sec) ((sec) * HZ)
#define MSEC_TO_TICK(ms) msecs_to_jiffies(ms)
#define USEC_TO_TICK(us) usecs_to_jiffies(us)
#define NSEC_TO_TICK(ns) usecs_to_jiffies(ns / NSEC_PER_USEC)
#endif /* _SPL_TIMER_H */