[PATCH 2/4 Rev-3] Add new timeval_to_sec function

[Varun Chandramohan <varunc@linux.vnet.ibm.com>]

A new function for converting timeval to time_t is added in netlink.h. Its a common function used in differentplaces. The reason for adding this function in netlink.h is that its used by netlink for stats purpose.

Signed-off-by: Varun Chandramohan <varunc@linux.vnet.ibm.com>
---
 include/net/netlink.h |   13 +++++++++++++
 1 files changed, 13 insertions(+), 0 deletions(-)

diff --git a/include/net/netlink.h b/include/net/netlink.h
index d7b824b..f86cc59 100644
--- a/include/net/netlink.h
+++ b/include/net/netlink.h
@@ -1100,4 +1100,17 @@ static inline int nla_validate_nested(st
 #define nla_for_each_nested(pos, nla, rem) \
 	nla_for_each_attr(pos, nla_data(nla), nla_len(nla), rem)
 
+/**
+ * timeval_to_sec - Convert timeval to seconds
+ * @tv:         pointer to the timeval variable to be converted
+ *
+ * Returns the seconds representation of timeval parameter.
+ * Note : Here we round up the value. We dont need accuracy.
+ * This is mainly used in netlink for stats purpose.
+ */
+static inline time_t timeval_to_sec(const struct timeval *tv)
+{
+	return (tv->tv_sec + (tv->tv_usec ? 1 : 0));
+}
+
 #endif
-- 
1.4.3.4