From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 69B4B381B08; Fri, 22 May 2026 12:29:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779452952; cv=none; b=WbWIAa0ulw6XkX5Y6QOMnTvZIWHpAgdk3h5Xdx7y8ztlzZ+lBnvqUKYsJPym5JoPGJOYLTGL46wxBuVOA97Anw9Q/mN7clplPFezxkoQ5oKpguPOcCDKw21ujipgxW8oZHroFV+3mjTqbql+c0yeZYK7jkO8tIQBDviY51HtovY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779452952; c=relaxed/simple; bh=ZKSdExH//yHPrO+bh/Uj+4YIl81jFCLLy6kU97jewL8=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=eSaStG4oN634r2pdYeNowX3N5EM4vfwbcxMQxwCf7iM5L9oAaLDpLfNPelTcnad6MjgvispBDC4q944A1hQW8CivLfz9MCBmyphHxbJjwe470r1FhCCVOq53BdrsUKzUcmH96i4W31D1Wrsj9/lWPCY2H9RFq/Y0APPvrRRdGO8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=TeXvnBTy; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="TeXvnBTy" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 801EA1F00A3D; Fri, 22 May 2026 12:29:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1779452951; bh=tS3ewl/RblzPq0s0br2Ku7A8Mpy7aLrtToStoyvDFrA=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=TeXvnBTyL7iuOWL1a24Lnor9X4PSVyYyHfyxHwhqqIJ3p2phOwMA1/YNuU9NgA4a2 ChjmuL1d7jAhYAc+Lf2IbZNC97HiBONKf8fKHW5ZCxbK+yhvsohbI/OthP3dbP5esU ehLV+CpqnT3zjbKCsQ0r2e8NivyZe0+X9zIOCiJeTp8uZJrkmI5NwxCTM64SNvLkko rdgimQaznKCZg1cEeAfgHYHZylYCsVbzsuoI7QNYNZ8C8JOIcxflWPgQV4kihJ00H3 GoRdRWqpj5dnQ2GiBS3sHLZX4h8EvRrqdCJqcRORXs+2//G2zqczswVG7tRVIkTkGu 5NVcyPBlasPbA== From: Jeff Layton Date: Fri, 22 May 2026 08:28:50 -0400 Subject: [PATCH v4 01/21] nfsd: check fl_lmops in nfsd_breaker_owns_lease() Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260522-dir-deleg-v4-1-2acb883ac6bc@kernel.org> References: <20260522-dir-deleg-v4-0-2acb883ac6bc@kernel.org> In-Reply-To: <20260522-dir-deleg-v4-0-2acb883ac6bc@kernel.org> To: Chuck Lever , NeilBrown , Olga Kornievskaia , Dai Ngo , Tom Talpey , Trond Myklebust , Anna Schumaker Cc: Alexander Aring , Amir Goldstein , Jan Kara , Alexander Viro , Christian Brauner , Calum Mackay , linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-nfs@vger.kernel.org, Jeff Layton X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=1106; i=jlayton@kernel.org; h=from:subject:message-id; bh=ZKSdExH//yHPrO+bh/Uj+4YIl81jFCLLy6kU97jewL8=; b=owEBbQKS/ZANAwAKAQAOaEEZVoIVAcsmYgBqEEwMipJw1fKeK44+JEQe/XHs1jmU6NTMFXayM voy5E3b5hmJAjMEAAEKAB0WIQRLwNeyRHGyoYTq9dMADmhBGVaCFQUCahBMDAAKCRAADmhBGVaC FRx6D/4qhiAGbJOghjEaf/yFl33GPCMVkPQITfukTq0A+7eGld+61pHMwoISCt0xI4TBb+VJiAp +nv4W8CZ62c2Yy2WTkeqxg7u5EfXY1cjXYIJab9vEKwMGYsw3zS9k00Jn8Z7CmJwuyoNyy9Osdd sMKKIJFWtXC+tWWRJVK0hMUuLNjpZYDIFSNQa5OSQnR3q/CuTF0RtPJ4r0a9dCAVKsAy45v1WJ4 tgDv+gvDhnvPkKG0xcP83ooxbwp83x9SRRSUBQ8I8k8JlbktXkBK54AvTodA8UsVA4Br0pBsZcx aztG5JUTvwPmi8JWyWMt4KIy1+YNm9kc42DPo/uEVYmmB0zCiYhhrkeSuF+4knVykgSO6t4IP03 4f3ya1RG4phSvZxDT+DvFA6BrNoYWLDyE98knIXSSaDvG1RY6y3ACwSz1mYa6pbiyWfpTYJ5r2+ qLqLaoih2LQer/0uQn21CcgjX699dcmHDewLc6tJ6AqtI5vqX18sRfVAflpU1NVlcHtJ3q7xhSz NUPeiYyzYO/W+kShhTllUYxbxYr5eAWiAqIXwvC9nN46RLfk5cDDApgRkizDvWiMSEBJwwV2t5z DRp/N5MPpIsq0vvZxZZ9Aa2vufYTFMURLBumRXKsvgc8+fW8rGjCyLLoK1jC+7nULR4hRBzxAx/ QnT874ZhaaJBosQ== X-Developer-Key: i=jlayton@kernel.org; a=openpgp; fpr=4BC0D7B24471B2A184EAF5D3000E684119568215 Any lease created by nfsd will have its fl_lmops set to nfsd_lease_mng_ops. Do a quick check for that first when testing whether the lease breaker owns the lease. Signed-off-by: Jeff Layton --- fs/nfsd/nfs4state.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 2cf021b202a6..67e163ee13a2 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -91,6 +91,8 @@ static void _free_cpntf_state_locked(struct nfsd_net *nn, struct nfs4_cpntf_stat static void nfsd4_file_hash_remove(struct nfs4_file *fi); static void deleg_reaper(struct nfsd_net *nn); +static const struct lease_manager_operations nfsd_lease_mng_ops; + /* Locking: */ enum nfsd4_st_mutex_lock_subclass { @@ -5663,6 +5665,10 @@ static bool nfsd_breaker_owns_lease(struct file_lease *fl) struct svc_rqst *rqst; struct nfs4_client *clp; + /* Only nfsd leases */ + if (fl->fl_lmops != &nfsd_lease_mng_ops) + return false; + rqst = nfsd_current_rqst(); if (!nfsd_v4client(rqst)) return false; -- 2.54.0