landing fix for bug 12227.

lnet/ChangeLog

-2007-04-23  Cluster File Systems, Inc. <info@clusterfs.com>
+2006-06-22  Cluster File Systems, Inc. <info@clusterfs.com>
        * version 1.4.11 / 1.6.1
        * Support for networks:
 	socklnd   - kernels up to 2.6.16
@@ -13,6 +13,15 @@
 	ptllnd    - Portals 3.3 / UNICOS/lc 1.5.x, 2.0.x
        * bug fixes
 
+Severity   : minor
+Frequency  : rare
+Bugzilla   : 12227
+Description: cfs_duration_{u,n}sec() wrongly calculate nanosecond part of
+	     struct timeval.
+Details    : do_div() macro is used incorrectly.
+
+2007-04-23  Cluster File Systems, Inc. <info@clusterfs.com>
+
 Severity   : normal
 Bugzilla   : 11680
 Description: make panic on lbug configurable

lnet/include/libcfs/linux/linux-time.h

@@ -238,7 +238,8 @@ static inline void cfs_duration_usec(cfs_duration_t d, struct timeval *s)
 
         s->tv_sec = d / HZ;
         t = (d - (cfs_duration_t)s->tv_sec * HZ) * ONE_MILLION;
-        s->tv_usec = do_div (t, HZ);
+        do_div(t, HZ);
+        s->tv_usec = t;
 #else
         s->tv_sec = d / HZ;
         s->tv_usec = ((d - (cfs_duration_t)s->tv_sec * HZ) * ONE_MILLION) / HZ;
@@ -252,7 +253,8 @@ static inline void cfs_duration_nsec(cfs_duration_t d, struct timespec *s)
 
         s->tv_sec = d / HZ;
         t = (d - s->tv_sec * HZ) * ONE_BILLION;
-        s->tv_nsec = do_div (t, HZ);
+        do_div(t, HZ);
+        s->tv_nsec = t;
 #else
         s->tv_sec = d / HZ;
         s->tv_nsec = ((d - s->tv_sec * HZ) * ONE_BILLION) / HZ;