Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable

[pandora-kernel.git] / include / linux / ktime.h

diff --git a/include/linux/ktime.h b/include/linux/ktime.h
index 2cd7fa7..e1ceaa9 100644 (file)
--- a/include/linux/ktime.h
+++ b/include/linux/ktime.h
@@ -130,7 +130,7 @@ static inline ktime_t timeval_to_ktime(struct timeval tv)
 /* Convert ktime_t to nanoseconds - NOP in the scalar storage format: */
 #define ktime_to_ns(kt)                        ((kt).tv64)
 
-#else
+#else  /* !((BITS_PER_LONG == 64) || defined(CONFIG_KTIME_SCALAR)) */
 
 /*
  * Helper macros/inlines to get the ktime_t math right in the timespec
@@ -275,7 +275,7 @@ static inline s64 ktime_to_ns(const ktime_t kt)
        return (s64) kt.tv.sec * NSEC_PER_SEC + kt.tv.nsec;
 }
 
-#endif
+#endif /* !((BITS_PER_LONG == 64) || defined(CONFIG_KTIME_SCALAR)) */
 
 /**
  * ktime_equal - Compares two ktime_t variables to see if they are equal
@@ -295,6 +295,12 @@ 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_to_ms(const ktime_t kt)
+{
+       struct timeval tv = ktime_to_timeval(kt);
+       return (s64) tv.tv_sec * MSEC_PER_SEC + tv.tv_usec / USEC_PER_MSEC;
+}
+
 static inline s64 ktime_us_delta(const ktime_t later, const ktime_t earlier)
 {
        return ktime_to_us(ktime_sub(later, earlier));
@@ -327,4 +333,10 @@ extern void ktime_get_ts(struct timespec *ts);
 /* Get the real (wall-) time in timespec format: */
 #define ktime_get_real_ts(ts)  getnstimeofday(ts)
 
+static inline ktime_t ns_to_ktime(u64 ns)
+{
+       static const ktime_t ktime_zero = { .tv64 = 0 };
+       return ktime_add_ns(ktime_zero, ns);
+}
+
 #endif