From patchwork Mon Feb 27 03:27:44 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiubo Li X-Patchwork-Id: 657857 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5E348C7EE23 for ; Mon, 27 Feb 2023 03:32:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230209AbjB0DcP (ORCPT ); Sun, 26 Feb 2023 22:32:15 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40002 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230233AbjB0DcM (ORCPT ); Sun, 26 Feb 2023 22:32:12 -0500 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A7DBF1BAED for ; Sun, 26 Feb 2023 19:31:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1677468640; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=efa6VGPC1i5dmTGRWx7OBjU47M8M8JD2Tx03IESmZ+U=; b=eWjrRoSlZwfBbH2/Lr4N4Ml+bTgaY2Fm8DcbQlBISnr8GaRu3QaY2vFv7lpshQmN+az9wS X3H/7hN0/TX6R1ANyr2365vT5KVE9oGqbK3/3vK6yeJuA4FFulrTwVrJjjPHzME659+6tv iaKVCSYlLrtjhg51AIVCkN1Ea+Xmx8M= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-195-mRXXvanZNvqJ6j8w5MpKKg-1; Sun, 26 Feb 2023 22:30:36 -0500 X-MC-Unique: mRXXvanZNvqJ6j8w5MpKKg-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 7C31D380670B; Mon, 27 Feb 2023 03:30:36 +0000 (UTC) Received: from lxbceph1.gsslab.pek2.redhat.com (unknown [10.72.47.117]) by smtp.corp.redhat.com (Postfix) with ESMTP id AE2261731B; Mon, 27 Feb 2023 03:30:33 +0000 (UTC) From: xiubli@redhat.com To: idryomov@gmail.com, ceph-devel@vger.kernel.org Cc: jlayton@kernel.org, lhenriques@suse.de, vshankar@redhat.com, mchangir@redhat.com, Xiubo Li Subject: [PATCH v16 39/68] libceph: add CEPH_OSD_OP_ASSERT_VER support Date: Mon, 27 Feb 2023 11:27:44 +0800 Message-Id: <20230227032813.337906-40-xiubli@redhat.com> In-Reply-To: <20230227032813.337906-1-xiubli@redhat.com> References: <20230227032813.337906-1-xiubli@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.5 Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org From: Jeff Layton ...and record the user_version in the reply in a new field in ceph_osd_request, so we can populate the assert_ver appropriately. Shuffle the fields a bit too so that the new field fits in an existing hole on x86_64. Reviewed-by: Xiubo Li Signed-off-by: Jeff Layton --- include/linux/ceph/osd_client.h | 6 +++++- include/linux/ceph/rados.h | 4 ++++ net/ceph/osd_client.c | 5 +++++ 3 files changed, 14 insertions(+), 1 deletion(-) diff --git a/include/linux/ceph/osd_client.h b/include/linux/ceph/osd_client.h index 680b4a70f6d4..41bcd71cfa7a 100644 --- a/include/linux/ceph/osd_client.h +++ b/include/linux/ceph/osd_client.h @@ -198,6 +198,9 @@ struct ceph_osd_req_op { u32 src_fadvise_flags; struct ceph_osd_data osd_data; } copy_from; + struct { + u64 ver; + } assert_ver; }; }; @@ -252,6 +255,7 @@ struct ceph_osd_request { struct ceph_osd_client *r_osdc; struct kref r_kref; bool r_mempool; + bool r_linger; /* don't resend on failure */ struct completion r_completion; /* private to osd_client.c */ ceph_osdc_callback_t r_callback; @@ -264,9 +268,9 @@ struct ceph_osd_request { struct ceph_snap_context *r_snapc; /* for writes */ struct timespec64 r_mtime; /* ditto */ u64 r_data_offset; /* ditto */ - bool r_linger; /* don't resend on failure */ /* internal */ + u64 r_version; /* data version sent in reply */ unsigned long r_stamp; /* jiffies, send or check time */ unsigned long r_start_stamp; /* jiffies */ ktime_t r_start_latency; /* ktime_t */ diff --git a/include/linux/ceph/rados.h b/include/linux/ceph/rados.h index 43a7a1573b51..73c3efbec36c 100644 --- a/include/linux/ceph/rados.h +++ b/include/linux/ceph/rados.h @@ -523,6 +523,10 @@ struct ceph_osd_op { struct { __le64 cookie; } __attribute__ ((packed)) notify; + struct { + __le64 unused; + __le64 ver; + } __attribute__ ((packed)) assert_ver; struct { __le64 offset, length; __le64 src_offset; diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c index 9138abc07f45..2dcb1140ed21 100644 --- a/net/ceph/osd_client.c +++ b/net/ceph/osd_client.c @@ -1048,6 +1048,10 @@ static u32 osd_req_encode_op(struct ceph_osd_op *dst, dst->copy_from.src_fadvise_flags = cpu_to_le32(src->copy_from.src_fadvise_flags); break; + case CEPH_OSD_OP_ASSERT_VER: + dst->assert_ver.unused = cpu_to_le64(0); + dst->assert_ver.ver = cpu_to_le64(src->assert_ver.ver); + break; default: pr_err("unsupported osd opcode %s\n", ceph_osd_op_name(src->op)); @@ -3852,6 +3856,7 @@ static void handle_reply(struct ceph_osd *osd, struct ceph_msg *msg) * one (type of) reply back. */ WARN_ON(!(m.flags & CEPH_OSD_FLAG_ONDISK)); + req->r_version = m.user_version; req->r_result = m.result ?: data_len; finish_request(req); mutex_unlock(&osd->lock);