The wire protocol for the ping uses a 64-bit seconds/microseconds pair, but this won't work when one side uses a 32-bit timeval to look up the current time beyond 2038. This changes the code to use ktime_get_real_ts64() to create a timestamp that has the right format on all machines. Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> --- drivers/staging/lustre/lnet/selftest/ping_test.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/drivers/staging/lustre/lnet/selftest/ping_test.c b/drivers/staging/lustre/lnet/selftest/ping_test.c index 1dab9984c58e..3a342fded1ba 100644 --- a/drivers/staging/lustre/lnet/selftest/ping_test.c +++ b/drivers/staging/lustre/lnet/selftest/ping_test.c @@ -92,7 +92,7 @@ ping_client_prep_rpc(sfw_test_unit_t *tsu, srpc_ping_reqst_t *req; sfw_test_instance_t *tsi = tsu->tsu_instance; sfw_session_t *sn = tsi->tsi_batch->bat_session; - struct timeval tv; + struct timespec64 ts; int rc; LASSERT(sn != NULL); @@ -110,9 +110,9 @@ ping_client_prep_rpc(sfw_test_unit_t *tsu, req->pnr_seq = lst_ping_data.pnd_counter++; spin_unlock(&lst_ping_data.pnd_lock); - cfs_fs_timeval(&tv); - req->pnr_time_sec = tv.tv_sec; - req->pnr_time_usec = tv.tv_usec; + ktime_get_real_ts64(&ts); + req->pnr_time_sec = ts.tv_sec; + req->pnr_time_usec = ts.tv_nsec / NSEC_PER_USEC; return rc; } @@ -124,7 +124,7 @@ ping_client_done_rpc(sfw_test_unit_t *tsu, srpc_client_rpc_t *rpc) sfw_session_t *sn = tsi->tsi_batch->bat_session; srpc_ping_reqst_t *reqst = &rpc->crpc_reqstmsg.msg_body.ping_reqst; srpc_ping_reply_t *reply = &rpc->crpc_replymsg.msg_body.ping_reply; - struct timeval tv; + struct timespec64 ts; LASSERT(sn != NULL); @@ -161,10 +161,10 @@ ping_client_done_rpc(sfw_test_unit_t *tsu, srpc_client_rpc_t *rpc) return; } - cfs_fs_timeval(&tv); + ktime_get_real_ts64(&ts); CDEBUG(D_NET, "%d reply in %u usec\n", reply->pnr_seq, - (unsigned)((tv.tv_sec - (unsigned)reqst->pnr_time_sec) * 1000000 - + (tv.tv_usec - reqst->pnr_time_usec))); + (unsigned)((ts.tv_sec - reqst->pnr_time_sec) * 1000000 + + (ts.tv_nsec / NSEC_PER_USEC - reqst->pnr_time_usec))); return; } -- 2.1.0.rc2 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
