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 F0DBA481259; Thu, 11 Jun 2026 17:50:33 +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=1781200235; cv=none; b=p4+R6at/oiufHp51BL6u18EVhIMeOQwWKPxzqdCyVjLAmmYEH2RTiJ9pXxRXCORQGp9praj4nBcWROm9/2zcUPSooq0fVsX+nxca2uh9i9eDjq7JPeYiJ2tcaOzvhne7LbghWt3i9QPBmC46ZeT1GZJci1G7kjBHGue7Bb3cqro= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781200235; c=relaxed/simple; bh=grNZpmtqtDrOl1PmFZLq1MU0od9JE2hW7Jg3j0BFn9Q=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=IdnHPxZ10GqXp8hzcgMPQoG9YpZCOgx3hbYtbrM5MZHGxu6i99Y9G90O6qwr/Gr84dLryyShmbS75H9PKNEHxcetMquau2NKIWqLg4Nry8hqLusKaOVqbfwiybP2JM23YB7WNSTmxy9r1O0c2qWWHlO1cyYc87V+dbXYWIzfrsA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=KBxH4/DW; 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="KBxH4/DW" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 313CE1F00899; Thu, 11 Jun 2026 17:50:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1781200233; bh=Da+Ni315UI6dQ7ZRwAdfmDwUEFlmAVsmtvo5KbaH9So=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=KBxH4/DWNDaCg1Oyrc01RI/w80L192702Iy7injNz+Rk9KRvElRXzA/ANmLeBxodo mFJYVZm6Kvq3cG3r9iL48t+Py4c3Koz3pA0aiH3wqqSWq59FtzbB2blRpejYvAyjSk qJ1v4Qf27vhMu+EcIf5BULLqfH8cHlL6Qupe5nowfIH40VW61Lni7WpVwxog14r8/U X2MmJWQpCPYT3ZycAp6ZFNFf66PJ2jnqDEamrQc2y2jJjHuQs5oXEuyOHB22+Fbt2g pFXXT0sJs6lA4J/kmUWWXen5UPfByfzOcAB1ycBsOh7W0/vCayPIlfPYDG8L3T1N4p /l7unjU6Il+Og== From: Jeff Layton Date: Thu, 11 Jun 2026 13:50:07 -0400 Subject: [PATCH v6 01/20] nfsd: check fl_lmops in nfsd_breaker_owns_lease() Precedence: bulk X-Mailing-List: linux-kernel@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: <20260611-dir-deleg-v6-1-4c45080e5f3f@kernel.org> References: <20260611-dir-deleg-v6-0-4c45080e5f3f@kernel.org> In-Reply-To: <20260611-dir-deleg-v6-0-4c45080e5f3f@kernel.org> To: NeilBrown , Olga Kornievskaia , Dai Ngo , Tom Talpey , Trond Myklebust , Anna Schumaker , Jonathan Corbet , Shuah Khan , Chuck Lever Cc: Steven Rostedt , 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=grNZpmtqtDrOl1PmFZLq1MU0od9JE2hW7Jg3j0BFn9Q=; b=owEBbQKS/ZANAwAKAQAOaEEZVoIVAcsmYgBqKvVdYGu7Jdkc6xx3QwrXf6l8NohT7L2yuv+/a ij60//2s9SJAjMEAAEKAB0WIQRLwNeyRHGyoYTq9dMADmhBGVaCFQUCair1XQAKCRAADmhBGVaC FfFbD/9RtUHEy5xl74cWNpiAO7z9Ehwib7RvM2PECsj/ehgy8XvAxRs4lGcmIXodwcbNv8Q5c67 MBf5u8uZDxICfrYPEyl0YyxSss7wWPL1Rge1klQQFq9Q5CH0nui8ZFFZCvSBr+6ATy3gnjLKNo9 3JeLOxHU6vbisWPfSVhcgCpOnVyWGJMB2G0QV+8x0tMqun0SUz4hYz+tlnGCKsMFKBuKxwZPxwB fFhHqcIjjaEKKSDTWa5MDbQVKZ675LPnFlQWMMQXdlH1MP4/f85EtK0l6hKx5PJjhWGmCWhJr03 kR/HVYKG+RzFHYHMsE5h87Zpv3BRmkVkqcoBls4e8abTOz3YA5u0u8vJpu99rVwU0kjI+bEcrMG 6Mq2rL9v4QhkyEBDdnMENqNshZaToKFZ2R+IYI4qi8cAlkDJB37RiUQHPkCUk1QmzBBdk/YanTa 69qKVrGo6suzcDU/HMZ6PfBatAVkjtwmucR3dHbHUSo+znLtR3bVRgtUlTn50BbEjM+MDAoIMQ+ 5JH6hzH14cqLmRJvPXbNBqHhwVKdmEOQ0Xmi+rqo/MmmmHMTKGbiQrypBhMUMyPZSHg7eiT8mRi OHLfEWQg1Fhefizw+hHD9yCNp7R9ovuop6z6XRPTuutUOPrkAa6hl72zX4J7DJA4/C8ercVecwh 36JYqobWYsxrvHA== 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 e59aec57e9e8..489558bf124c 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 { @@ -5734,6 +5736,10 @@ 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