From patchwork Fri Nov 17 08:15:09 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiubo Li X-Patchwork-Id: 747136 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="NRhvVW+t" 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 82694C4 for ; Fri, 17 Nov 2023 00:17:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1700209059; 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=hLyjpo+GsCKqJOHQygS/2xWjKJ3/gZovyneqNkZKh6o=; b=NRhvVW+t2dCYrSBWLOtObJlANRmyYHWuwxckXiGp0liy3yz43eUPQqWFdFCK/SwrsnRjw6 D/gU2t6q0nYZNccUTE7XKeQ48j95mxyduO3AHJ/yMfaNPBbhUKOhkEtkkbDLo/k8wWrb7Z tzL/qmBijAXXhgkHBJxXEQlewWKO7aI= Received: from mimecast-mx02.redhat.com (mx-ext.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-161-KNdEFFJeO_qVd-qkWJqQ4Q-1; Fri, 17 Nov 2023 03:17:38 -0500 X-MC-Unique: KNdEFFJeO_qVd-qkWJqQ4Q-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id D189B3C02751; Fri, 17 Nov 2023 08:17:37 +0000 (UTC) Received: from li-a71a4dcc-35d1-11b2-a85c-951838863c8d.ibm.com.com (unknown [10.72.112.63]) by smtp.corp.redhat.com (Postfix) with ESMTP id 060642026D66; Fri, 17 Nov 2023 08:17:34 +0000 (UTC) From: xiubli@redhat.com To: ceph-devel@vger.kernel.org Cc: idryomov@gmail.com, jlayton@kernel.org, vshankar@redhat.com, mchangir@redhat.com, Xiubo Li Subject: [PATCH v2 2/2] ceph: update the oldest_client_tid via the renew caps Date: Fri, 17 Nov 2023 16:15:09 +0800 Message-ID: <20231117081509.723731-3-xiubli@redhat.com> In-Reply-To: <20231117081509.723731-1-xiubli@redhat.com> References: <20231117081509.723731-1-xiubli@redhat.com> Precedence: bulk X-Mailing-List: ceph-devel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.4 From: Xiubo Li Update the oldest_client_tid via the session renew caps msg to make sure that the MDSs won't pile up the completed request list in a very large size. URL: https://tracker.ceph.com/issues/63364 Signed-off-by: Xiubo Li Reviewed-by: Venky Shankar Tested-by: Venky Shankar --- fs/ceph/mds_client.c | 24 +++++++++++++++++++----- 1 file changed, 19 insertions(+), 5 deletions(-) diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index fdfea11d9568..7bdee08ec2eb 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -1579,6 +1579,9 @@ create_session_full_msg(struct ceph_mds_client *mdsc, int op, u64 seq) size = METRIC_BYTES(count); extra_bytes += 2 + 4 + 4 + size; + /* flags, mds auth caps and oldest_client_tid */ + extra_bytes += 4 + 4 + 8; + /* Allocate the message */ msg = ceph_msg_new(CEPH_MSG_CLIENT_SESSION, sizeof(*h) + extra_bytes, GFP_NOFS, false); @@ -1597,9 +1600,9 @@ create_session_full_msg(struct ceph_mds_client *mdsc, int op, u64 seq) * Serialize client metadata into waiting buffer space, using * the format that userspace expects for map * - * ClientSession messages with metadata are v4 + * ClientSession messages with metadata are v7 */ - msg->hdr.version = cpu_to_le16(4); + msg->hdr.version = cpu_to_le16(7); msg->hdr.compat_version = cpu_to_le16(1); /* The write pointer, following the session_head structure */ @@ -1635,6 +1638,15 @@ create_session_full_msg(struct ceph_mds_client *mdsc, int op, u64 seq) return ERR_PTR(ret); } + /* version == 5, flags */ + ceph_encode_32(&p, 0); + + /* version == 6, mds auth caps */ + ceph_encode_32(&p, 0); + + /* version == 7, oldest_client_tid */ + ceph_encode_64(&p, mdsc->oldest_tid); + msg->front.iov_len = p - msg->front.iov_base; msg->hdr.front_len = cpu_to_le32(msg->front.iov_len); @@ -2030,10 +2042,12 @@ static int send_renew_caps(struct ceph_mds_client *mdsc, doutc(cl, "to mds%d (%s)\n", session->s_mds, ceph_mds_state_name(state)); - msg = ceph_create_session_msg(CEPH_SESSION_REQUEST_RENEWCAPS, + + /* send connect message */ + msg = create_session_full_msg(mdsc, CEPH_SESSION_REQUEST_RENEWCAPS, ++session->s_renew_seq); - if (!msg) - return -ENOMEM; + if (IS_ERR(msg)) + return PTR_ERR(msg); ceph_con_send(&session->s_con, msg); return 0; }