From: Gerrit Renker Date: Sat, 16 Jun 2007 15:38:51 +0000 (-0300) Subject: [KTIME]: Introduce ktime_us_delta X-Git-Tag: v2.6.23-rc1~1109^2~141 X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=f1c91da44728fba24927e44056a56e507c11cf7b;p=~shefty%2Frdma-dev.git [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 Signed-off-by: Arnaldo Carvalho de Melo --- diff --git a/include/linux/ktime.h b/include/linux/ktime.h index 2b139f66027..923665958f9 100644 --- a/include/linux/ktime.h +++ b/include/linux/ktime.h @@ -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