From patchwork Fri Jul 13 20:18:35 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 10524127 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id B1F676032C for ; Fri, 13 Jul 2018 20:19:51 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A313529E2E for ; Fri, 13 Jul 2018 20:19:51 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 9758429E3E; Fri, 13 Jul 2018 20:19:51 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 48EC429E2E for ; Fri, 13 Jul 2018 20:19:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732550AbeGMUfy (ORCPT ); Fri, 13 Jul 2018 16:35:54 -0400 Received: from mout.kundenserver.de ([212.227.126.187]:43312 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731379AbeGMUfx (ORCPT ); Fri, 13 Jul 2018 16:35:53 -0400 Received: from wuerfel.lan ([46.223.138.35]) by mrelayeu.kundenserver.de (mreue001 [212.227.15.129]) with ESMTPA (Nemesis) id 0LhoIM-1gRD8S4BuM-00n8K8; Fri, 13 Jul 2018 22:19:39 +0200 From: Arnd Bergmann To: Ilya Dryomov , Yan Zheng , Sage Weil Cc: y2038@lists.linaro.org, linux-fsdevel@vger.kernel.org, ceph-devel@vger.kernel.org, Arnd Bergmann , Jeff Layton , Chengguang Xu , linux-kernel@vger.kernel.org Subject: [PATCH 2/5] ceph: stop using current_kernel_time() Date: Fri, 13 Jul 2018 22:18:35 +0200 Message-Id: <20180713201923.3200799-2-arnd@arndb.de> X-Mailer: git-send-email 2.9.0 In-Reply-To: <20180713201923.3200799-1-arnd@arndb.de> References: <20180713201923.3200799-1-arnd@arndb.de> X-Provags-ID: V03:K1:/j+JY3+jfVfjGOtbATDBM/o31CE64ErEH/eIn/H9NrmAbOKBaSE LMlflK/97LxT6OYpFTn3GjucYJD2/WZ2I4xHpRCwvJT6B4PgqdwPSwm3l7uD6ZrrrsN05FF t1GLyV3j9ZFxLI4/XYR1sYINP81CSmGZB2Y2pfWUS6lZuIOP4O9Hg9PL85FMxNtIsrRbi40 NMntwq+8ToKDTLGNh0ijw== X-UI-Out-Filterresults: notjunk:1; V01:K0:cte//dIbqTE=:iqJwBejVae/WcCBpq1r2oO Y4n031ct2AtQYLaZhRvTIKcLlFSR4fjK2fGPZg3ZI6IpAj3OeTkMtgI5ZRUDV7pUAGhepnGBX 1xzFHgd/aG4FW9sddI7Gz7ucIH239FNo3RkhTBH0uHdnZEln+phMeYCY6cOqV7kX1eKroudHU NBT9jMxBslYnJgen1Wqb0ziZUYlkz67peADmvb4zUs/AUcr9TOMSUEo6d7BcDKCaHUOOtql2O 1RXfv9gEWtsVWEri+Qvts4b5OlgRY0pLKE/UbY4+LMPf/nP2fS/9cJjpClIKenR77mQRbnxrX pv+4bMx+yL2mZlWLjJK6ur8d3fuJxpHuxc9mh5BdXh5BqqIS13nkIK6mK8Nfan4bpv3s3h6ue JrCUwqPZVlugbLTIPygLvIFodkmt1/8m24xO9AK+8G/fbfFgk18qs0H17/u3qUZqSswKw+XkB G7zfKU+77rzP0U7WW1KxueMJneKLRt3VnFsDL7SwsYIhKcHxQlPbQTvgw1p7iD2CK4g82qd5k xRwllrxSK/N4Tr7bBPfUQjGadkQbIliI0/jXmPTDVyQlSgSHZznFjlWMemw2I3rDabCS8ROfX y72O9J3OMUw4wGF326INIJaEYaX0d+ZS/h+sZab7pf3g5Ds/cuFFVwSWhjaaZknK0SYWrRCeM cWxz/g5c1hq4eNZxT6ZMS3n2TliS+b8tbPMn/Tnat6qO0j41Rh5nScY0UOiGHM5qP9vk= Sender: ceph-devel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP ceph_mdsc_create_request() is one of the last callers of the deprecated current_kernel_time() as well as timespec_trunc(). This changes it to use the timespec64 based interfaces instead, though we still need to convert the result until we are ready to change over req->r_stamp. The output of the two functions, ktime_get_coarse_real_ts64() and current_kernel_time() is the same coarse-granular timestamp, the only difference here is that ktime_get_coarse_real_ts64() doesn't overflow in 2038. Signed-off-by: Arnd Bergmann --- v2: add clarification that this is the same timestamp --- fs/ceph/mds_client.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index dc8bc664a871..69c839316a7a 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -1779,6 +1779,7 @@ struct ceph_mds_request * ceph_mdsc_create_request(struct ceph_mds_client *mdsc, int op, int mode) { struct ceph_mds_request *req = kzalloc(sizeof(*req), GFP_NOFS); + struct timespec64 ts; if (!req) return ERR_PTR(-ENOMEM); @@ -1797,7 +1798,9 @@ ceph_mdsc_create_request(struct ceph_mds_client *mdsc, int op, int mode) init_completion(&req->r_safe_completion); INIT_LIST_HEAD(&req->r_unsafe_item); - req->r_stamp = timespec_trunc(current_kernel_time(), mdsc->fsc->sb->s_time_gran); + ktime_get_coarse_real_ts64(&ts); + req->r_stamp = timespec64_to_timespec(timespec64_trunc(ts, + mdsc->fsc->sb->s_time_gran)); req->r_op = op; req->r_direct_mode = mode;