scsi: scsi_debug: remove jiffies_to_timespec

There is no need to go through an intermediate timespec to convert to
ktime_t when we just want a simple multiplication. This gets rid of one
of the few users of jiffies_to_timespec, which I hope to remove as part
of the y2038 cleanup.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Acked-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index e4f037f..df7e9db 100644 (file)
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -4085,10 +4085,7 @@ static int schedule_resp(struct scsi_cmnd *cmnd, struct sdebug_dev_info *devip,
                ktime_t kt;
 
                if (delta_jiff > 0) {
-                       struct timespec ts;
-
-                       jiffies_to_timespec(delta_jiff, &ts);
-                       kt = ktime_set(ts.tv_sec, ts.tv_nsec);
+                       kt = ns_to_ktime((u64)delta_jiff * (NSEC_PER_SEC / HZ));
                } else
                        kt = sdebug_ndelay;
                if (NULL == sd_dp) {