From nobody Tue Nov 26 03:58:54 2024 Received: from mail-qv1-f49.google.com (mail-qv1-f49.google.com [209.85.219.49]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B01441A3047 for ; Tue, 22 Oct 2024 14:49:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.219.49 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729608562; cv=none; b=t1yR4SO21QzgPcw2Teym3fyXRCpTZ5bpHbp1Un3ILurMf+8AYofBWw9cKcssdpU5fdQmok+mhcrPVD4fWdc4vkbxE+cHnfvjtiq1vGEWEAPyGFjrnA3jkQxYprt1igNb48D0pMUye22/d+pBEBs8+JGctmSOyuH1XxMVs0ITmaI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729608562; c=relaxed/simple; bh=4OEr5DlA2GJoYYQduLmLnz2yUHPnnHV7+HNBrHK40y8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=TxSDVSmrgjNFtnFrq2ItetStXE2+BhtWg8Ik1SvaOGGJ5L6eqKHTATIN+TNYyZ/nJ55XFX7DQ6xd7/TsVCJzJcx5h0R8YpSdvuRa9xNIidH8WSoySeyns6uvIz0ReYNMgfSzB4K5Cy0xzRrena54/6w6JxzgN+Dcj1z4wArq+Sc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=batbytes.com; spf=none smtp.mailfrom=batbytes.com; dkim=pass (2048-bit key) header.d=batbytes-com.20230601.gappssmtp.com header.i=@batbytes-com.20230601.gappssmtp.com header.b=t7FFmX+K; arc=none smtp.client-ip=209.85.219.49 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=batbytes.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=batbytes.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=batbytes-com.20230601.gappssmtp.com header.i=@batbytes-com.20230601.gappssmtp.com header.b="t7FFmX+K" Received: by mail-qv1-f49.google.com with SMTP id 6a1803df08f44-6c5ab2de184so33879326d6.0 for ; Tue, 22 Oct 2024 07:49:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=batbytes-com.20230601.gappssmtp.com; s=20230601; t=1729608559; x=1730213359; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=JUIHvjCHyF6SlVUAxO2Vzn0YEoHF5gMFXLys0iHDmcY=; b=t7FFmX+KGk9OKSkIJZOJDWrQ5kuJt6OlBJxmBKu09bpSpDAt6mUVbmjrX09eQM9zyF zrkPvvdCP2wVPU55hLTcAUtt+mARuBGGDMhR6fnLu8Yii/LalUSjc2NVG6I8fCcVW8G4 GiC7F/aX40bsJntb9j/Z/Bv0FrcI6dptfrRt28wJL/iTdpEDwHhcycTMy4ekem9sKDam uZnMOSkv5rh7ivtxEAtMOuG0dn7Js9Rw6poxvvNoeATtujVM2BvZIM9nToxyfZGP9pko FzRuSkcQlYexydcEZnJeztjTAmXA56vOB2DvALh2FmKbogg0l3ASHJOnBSWzQVelCGMJ Lk+Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1729608559; x=1730213359; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=JUIHvjCHyF6SlVUAxO2Vzn0YEoHF5gMFXLys0iHDmcY=; b=n01m/lHWMhS0j0WSEa7M6FI4pQAsZrMjQSkK5vrCdMiPfecUv5YCQ8ueDjNqG2QyHI L45NwGDibcQ2BOKDxKGeSPU40Gfv1XcThcTSeSeis9ey7I5j9UW22hwwKn2ORL/UtIQF LPem6k0iToFbKUzoj5y/tmCPfqWYjr5d6rLn3MauXkogrpbhk31dxLchJ16JS5C3ri4t htS4yexFK+T2ScmTbqzXEWccG49QAswaPPVM6elqmGiTX7iVshfqpcGSk8/ltedLTMW5 6RreZ5VRPZweC1w+uA06toBf7TDEeNi+M4xxhoj6NJGqCzJ2QmW7/drMtI5Pa3Xi3TPd f02g== X-Forwarded-Encrypted: i=1; AJvYcCVspHpTt5dCozGMmle/BmugH4+WsuWIQIoMSWVosm9921ZCXgr7B5a1t2dFhScgIi+4NJjIYQalqTYYBvs=@vger.kernel.org X-Gm-Message-State: AOJu0Yw+wxgYQaTrsYYsCzEO/BwuRjwtwXkly+9gzX5FRx4yND2KOBAK 4xw4EKDNUUi642M5U/TbvShqf4ZB/VQgnC9ZpFWpdn17Ddo2ojWNBbbb6Vh4nw== X-Google-Smtp-Source: AGHT+IH3GsDmqjG7wCDqtCT6s5bIQ7bSl7g/uLVQ9ufgCfUrWcFOgQzIsrGJDmIGgT4w6Y6GpQAnMQ== X-Received: by 2002:ad4:4b6e:0:b0:6ce:2f4e:40f1 with SMTP id 6a1803df08f44-6ce2f4e43d0mr10514266d6.26.1729608559507; Tue, 22 Oct 2024 07:49:19 -0700 (PDT) Received: from batbytes.com ([216.212.123.7]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-6ce008fb5e0sm29567476d6.33.2024.10.22.07.49.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 22 Oct 2024 07:49:19 -0700 (PDT) From: Patrick Donnelly To: Xiubo Li , Ilya Dryomov Cc: Patrick Donnelly , ceph-devel@vger.kernel.org (open list:CEPH DISTRIBUTED FILE SYSTEM CLIENT (CEPH)), linux-kernel@vger.kernel.org (open list) Subject: [PATCH 3/3] ceph: improve caps debugging output Date: Tue, 22 Oct 2024 10:48:35 -0400 Message-ID: <20241022144838.1049499-4-batrick@batbytes.com> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20241022144838.1049499-1-batrick@batbytes.com> References: <20241022144838.1049499-1-batrick@batbytes.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Patrick Donnelly This improves uniformity and exposes important sequence numbers. Now looks like: <7>[ 73.749563] ceph: caps.c:4465 : [c9653bca-110b-4f70-9f8= 4-5a195b205e9a 15290] caps mds2 op export ino 20000000000.fffffffffffffffe= inode 0000000008d2e5ea seq 0 iseq 0 mseq 0 ... <7>[ 73.749574] ceph: caps.c:4102 : [c9653bca-110b-4f70-9f8= 4-5a195b205e9a 15290] cap 20000000000.fffffffffffffffe export to peer 1 pi= seq 1 pmseq 1 ... <7>[ 73.749645] ceph: caps.c:4465 : [c9653bca-110b-4f70-9f8= 4-5a195b205e9a 15290] caps mds1 op import ino 20000000000.fffffffffffffffe= inode 0000000008d2e5ea seq 1 iseq 1 mseq 1 ... <7>[ 73.749681] ceph: caps.c:4244 : [c9653bca-110b-4f70-9f8= 4-5a195b205e9a 15290] cap 20000000000.fffffffffffffffe import from peer 2 = piseq 686 pmseq 0 ... <7>[ 248.645596] ceph: caps.c:4465 : [c9653bca-110b-4f70-9f8= 4-5a195b205e9a 15290] caps mds1 op revoke ino 20000000000.fffffffffffffffe= inode 0000000008d2e5ea seq 2538 iseq 1 mseq 1 See also: "mds: add issue_seq to all cap messages" in ceph.git See-also: https://tracker.ceph.com/issues/66704 Signed-off-by: Patrick Donnelly --- fs/ceph/caps.c | 32 +++++++++++++++----------------- 1 file changed, 15 insertions(+), 17 deletions(-) diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index 88a674cf27a8..74ba310dfcc7 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -4085,8 +4085,7 @@ static void handle_cap_export(struct inode *inode, st= ruct ceph_mds_caps *ex, struct ceph_cap *cap, *tcap, *new_cap =3D NULL; struct ceph_inode_info *ci =3D ceph_inode(inode); u64 t_cap_id; - unsigned mseq =3D le32_to_cpu(ex->migrate_seq); - unsigned t_issue_seq, t_mseq; + u32 t_issue_seq, t_mseq; int target, issued; int mds =3D session->s_mds; =20 @@ -4100,8 +4099,8 @@ static void handle_cap_export(struct inode *inode, st= ruct ceph_mds_caps *ex, target =3D -1; } =20 - doutc(cl, "%p %llx.%llx ci %p mds%d mseq %d target %d\n", - inode, ceph_vinop(inode), ci, mds, mseq, target); + doutc(cl, " cap %llx.%llx export to peer %d piseq %u pmseq %u\n", + ceph_vinop(inode), target, t_issue_seq, t_mseq); retry: down_read(&mdsc->snap_rwsem); spin_lock(&ci->i_ceph_lock); @@ -4228,18 +4227,22 @@ static void handle_cap_import(struct ceph_mds_clien= t *mdsc, u64 realmino =3D le64_to_cpu(im->realm); u64 cap_id =3D le64_to_cpu(im->cap_id); u64 p_cap_id; + u32 piseq =3D 0; + u32 pmseq =3D 0; int peer; =20 if (ph) { p_cap_id =3D le64_to_cpu(ph->cap_id); peer =3D le32_to_cpu(ph->mds); + piseq =3D le32_to_cpu(ph->issue_seq); + pmseq =3D le32_to_cpu(ph->mseq); } else { p_cap_id =3D 0; peer =3D -1; } =20 - doutc(cl, "%p %llx.%llx ci %p mds%d mseq %d peer %d\n", - inode, ceph_vinop(inode), ci, mds, mseq, peer); + doutc(cl, " cap %llx.%llx import from peer %d piseq %u pmseq %u\n", + ceph_vinop(inode), peer, piseq, pmseq); retry: cap =3D __get_cap_for_mds(ci, mds); if (!cap) { @@ -4268,15 +4271,13 @@ static void handle_cap_import(struct ceph_mds_clien= t *mdsc, doutc(cl, " remove export cap %p mds%d flags %d\n", ocap, peer, ph->flags); if ((ph->flags & CEPH_CAP_FLAG_AUTH) && - (ocap->seq !=3D le32_to_cpu(ph->issue_seq) || - ocap->mseq !=3D le32_to_cpu(ph->mseq))) { + (ocap->seq !=3D piseq || + ocap->mseq !=3D pmseq)) { pr_err_ratelimited_client(cl, "mismatched seq/mseq: " "%p %llx.%llx mds%d seq %d mseq %d" " importer mds%d has peer seq %d mseq %d\n", inode, ceph_vinop(inode), peer, - ocap->seq, ocap->mseq, mds, - le32_to_cpu(ph->issue_seq), - le32_to_cpu(ph->mseq)); + ocap->seq, ocap->mseq, mds, piseq, pmseq); } ceph_remove_cap(mdsc, ocap, (ph->flags & CEPH_CAP_FLAG_RELEASE)); } @@ -4360,8 +4361,6 @@ void ceph_handle_caps(struct ceph_mds_session *sessio= n, bool close_sessions =3D false; bool do_cap_release =3D false; =20 - doutc(cl, "from mds%d\n", session->s_mds); - if (!ceph_inc_mds_stopping_blocker(mdsc, session)) return; =20 @@ -4463,12 +4462,11 @@ void ceph_handle_caps(struct ceph_mds_session *sess= ion, =20 /* lookup ino */ inode =3D ceph_find_inode(mdsc->fsc->sb, vino); - doutc(cl, " op %s ino %llx.%llx inode %p\n", ceph_cap_op_name(op), - vino.ino, vino.snap, inode); + doutc(cl, " caps mds%d op %s ino %llx.%llx inode %p seq %u iseq %u mseq %= u\n", + session->s_mds, ceph_cap_op_name(op), vino.ino, vino.snap, inode, + seq, issue_seq, mseq); =20 mutex_lock(&session->s_mutex); - doutc(cl, " mds%d seq %lld cap seq %u\n", session->s_mds, - session->s_seq, (unsigned)seq); =20 if (!inode) { doutc(cl, " i don't have ino %llx\n", vino.ino); --=20 Patrick Donnelly, Ph.D. He / Him / His Red Hat Partner Engineer IBM, Inc. GPG: 19F28A586F808C2402351B93C3301A3E258DD79D