From: Arnd Bergmann Date: Sun, 27 Sep 2015 20:45:09 +0000 (-0400) Subject: staging/lustre: avoid unnecessary timeval conversion X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=a11ef8ca94cccca98e0d7f23d5145cad71dd62f0;p=deliverable%2Flinux.git staging/lustre: avoid unnecessary timeval conversion The lnet_eq_wait_locked tries to wait for time to pass or an event to wake up the wait queue. The entire logic seems to be a very elaborate reimplementation of wait_event(). I'm not trying to clean up the entire logic here, but this at least gets rid of the multi-way conversion between miliseconds, timeval and jiffies. Signed-off-by: Arnd Bergmann Signed-off-by: Oleg Drokin Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/lustre/lnet/lnet/lib-eq.c b/drivers/staging/lustre/lnet/lnet/lib-eq.c index f19ce9ae6a9a..8b843c5e71a5 100644 --- a/drivers/staging/lustre/lnet/lnet/lib-eq.c +++ b/drivers/staging/lustre/lnet/lnet/lib-eq.c @@ -341,12 +341,9 @@ __must_hold(&the_lnet.ln_eq_wait_lock) schedule(); } else { - struct timeval tv; - - now = cfs_time_current(); - schedule_timeout(cfs_time_seconds(tms) / 1000); - cfs_duration_usec(cfs_time_sub(cfs_time_current(), now), &tv); - tms -= (int)(tv.tv_sec * 1000 + tv.tv_usec / 1000); + now = jiffies; + schedule_timeout(msecs_to_jiffies(tms)); + tms -= jiffies_to_msecs(jiffies - now); if (tms < 0) /* no more wait but may have new event */ tms = 0; }