X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=gettime.h;h=f1d619ad5bad5fc2b3dae6f60083b7ec2c291d61;hb=5711325cbb37d10c21a6975d1f1ebea11799c05e;hp=b775ef3a42d1964b998c51cb9f2348213bec67e9;hpb=79c896a122a7a39b840257215e622bdeff8272f1;p=fio.git

diff --git a/gettime.h b/gettime.h
index b775ef3a..f1d619ad 100644
--- a/gettime.h
+++ b/gettime.h
@@ -1,7 +1,10 @@
 #ifndef FIO_GETTIME_H
 #define FIO_GETTIME_H
 
+#include <sys/time.h>
+
 #include "arch/arch.h"
+#include "lib/seqlock.h"
 
 /*
  * Clock sources
@@ -13,27 +16,30 @@ enum fio_cs {
 	CS_INVAL,
 };
 
-extern void fio_gettime(struct timeval *, void *);
+extern int fio_get_mono_time(struct timespec *);
+extern void fio_gettime(struct timespec *, void *);
 extern void fio_gtod_init(void);
 extern void fio_clock_init(void);
 extern int fio_start_gtod_thread(void);
-extern int fio_monotonic_clocktest(void);
-extern void fio_local_clock_init(int);
+extern int fio_monotonic_clocktest(int debug);
+extern void fio_local_clock_init(void);
 
-extern struct timeval *fio_tv;
+extern struct fio_ts {
+	struct seqlock seqlock;
+	struct timespec ts;
+} *fio_ts;
 
-static inline int fio_gettime_offload(struct timeval *tv)
+static inline int fio_gettime_offload(struct timespec *ts)
 {
-	size_t last_sec;
+	unsigned int seq;
 
-	if (!fio_tv)
+	if (!fio_ts)
 		return 0;
 
 	do {
-		read_barrier();
-		last_sec = tv->tv_sec = fio_tv->tv_sec;
-		tv->tv_usec = fio_tv->tv_usec;
-	} while (fio_tv->tv_sec != last_sec);
+		seq = read_seqlock_begin(&fio_ts->seqlock);
+		*ts = fio_ts->ts;
+	} while (read_seqlock_retry(&fio_ts->seqlock, seq));
 
 	return 1;
 }