Commit f1c91da4 authored Jun 16, 2007 by Gerrit Renker Committed by David S. Miller Jul 10, 2007

[KTIME]: Introduce ktime_us_delta

This provides a reusable time difference function which returns the difference in
microseconds, as often used in the DCCP code.

Commiter note: renamed ktime_delta to ktime_us_delta and put it in ktime.h.

Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>

parent dd36a9ab

include/linux/ktime.h

+5 −0

Original line number	Diff line number	Diff line
		@@ -279,6 +279,11 @@ static inline s64 ktime_to_us(const ktime_t kt)
		return (s64) tv.tv_sec * USEC_PER_SEC + tv.tv_usec;
		}

		static inline s64 ktime_us_delta(const ktime_t later, const ktime_t earlier)
		{
		return ktime_to_us(ktime_sub(later, earlier));
		}

		/*
		* The resolution of the clocks. The resolution value is returned in
		* the clock_getres() system call to give application programmers an