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authorDaniel Borkmann <dborkman@redhat.com>2013-06-25 12:17:26 -0400
committerDavid S. Miller <davem@davemloft.net>2013-06-25 19:33:04 -0400
commitd36f82b2435690d8742235d7bdc5bb5e878077e3 (patch)
tree3c7be59f00d0a8b3692a9d7d8b194bf02785886c /include/linux/ktime.h
parentf072d7aba79c73c3bb4ff1a9b58be5525d755d27 (diff)
ktime: add ms_to_ktime() and ktime_add_ms() helpers
Add two ktime helper functions that i) convert a given msec value to a ktime structure and ii) that adds a msec value to a ktime structure. Signed-off-by: Daniel Borkmann <dborkman@redhat.com> Acked-by: Vlad Yasevich <vyasevich@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/ktime.h')
-rw-r--r--include/linux/ktime.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/ktime.h b/include/linux/ktime.h
index bbca12804d12..b4fa5e4cd158 100644
--- a/include/linux/ktime.h
+++ b/include/linux/ktime.h
@@ -323,6 +323,11 @@ static inline ktime_t ktime_add_us(const ktime_t kt, const u64 usec)
323 return ktime_add_ns(kt, usec * 1000); 323 return ktime_add_ns(kt, usec * 1000);
324} 324}
325 325
326static inline ktime_t ktime_add_ms(const ktime_t kt, const u64 msec)
327{
328 return ktime_add_ns(kt, msec * NSEC_PER_MSEC);
329}
330
326static inline ktime_t ktime_sub_us(const ktime_t kt, const u64 usec) 331static inline ktime_t ktime_sub_us(const ktime_t kt, const u64 usec)
327{ 332{
328 return ktime_sub_ns(kt, usec * 1000); 333 return ktime_sub_ns(kt, usec * 1000);
@@ -366,7 +371,15 @@ extern void ktime_get_ts(struct timespec *ts);
366static inline ktime_t ns_to_ktime(u64 ns) 371static inline ktime_t ns_to_ktime(u64 ns)
367{ 372{
368 static const ktime_t ktime_zero = { .tv64 = 0 }; 373 static const ktime_t ktime_zero = { .tv64 = 0 };
374
369 return ktime_add_ns(ktime_zero, ns); 375 return ktime_add_ns(ktime_zero, ns);
370} 376}
371 377
378static inline ktime_t ms_to_ktime(u64 ms)
379{
380 static const ktime_t ktime_zero = { .tv64 = 0 };
381
382 return ktime_add_ms(ktime_zero, ms);
383}
384
372#endif 385#endif