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 EF45D43DA50; Tue, 16 Jun 2026 11:59:08 +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=1781611151; cv=none; b=tG5EcODqz62KFGclj12mW0NDJlQUVRtziKAZ29Ei1gAtVKFgV3zusBbErmdGZarXGR1iQxT0iLlE20K6c+OMkf1eBKI5aTUKGT5X+m+j4CGg+sQY6/3L7VS69crAJl1Wazpj/mXP5Aaui9FN9kVD5/VxxMYy1wbjStgErYR2lJA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781611151; c=relaxed/simple; bh=5G4Qh690yS06R7Wqa6FTAPRJfvVNC6FMD0/xoR83hNc=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=cLKeWnIVwYhJ8JXqZsES798ICt72lHsW4aJat4Oeb0cowMBSiET+2ow2n+2AZdHvy/5K1tbyGxcw4/v/lxGUHIEoEXlBBdyo31VsBR5BS97ubav9X6r5lB1+nuk8MemgA7/nh1Ku/GrYEJasvtlW+B9OFO8vnO//4lJkobTZlIk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=etQb9Q46; 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="etQb9Q46" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E7B821F00A3A; Tue, 16 Jun 2026 11:59:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1781611148; bh=lKnw5hs6MO98rW4Imnk91d8pWCs2bWfCql6duxkapWU=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=etQb9Q46NT8TBxcJZ/8Us7cvJk54izqcsPqP8/fxVXEiuFDMuOXXeGp5d/CKaAE7z shaVVa4y2IdXBIhSnVSisVOBMOMvjDjAy42xJVStrhxEpscWG2+M0IFqk4KWgckPFs YW0BbvJTxCWRoc+c27RjfITrt2TVaeuV4KFfyyal8xn+2vLWzVtxLZ3bNDJ6WDxS76 9kb287x5VLnNkrQWvJYlBiEweCCPiMqnmYxYvbXZvoq37JfKRyBKWJxOb0phldApNz 8A+FgtwkNibgem+W43Bp2aQ9xwRCIQ5on7menMPqbaA9NxfxD0bxsR0d2Uk01dR6ep oUm0DsDf72TFA== From: Jeff Layton Date: Tue, 16 Jun 2026 07:58:44 -0400 Subject: [PATCH v7 01/20] 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: <20260616-dir-deleg-v7-1-6cbc7eac0ade@kernel.org> References: <20260616-dir-deleg-v7-0-6cbc7eac0ade@kernel.org> In-Reply-To: <20260616-dir-deleg-v7-0-6cbc7eac0ade@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=5G4Qh690yS06R7Wqa6FTAPRJfvVNC6FMD0/xoR83hNc=; b=owEBbQKS/ZANAwAKAQAOaEEZVoIVAcsmYgBqMTqELrd5tzdzArdDbXikypgWP//Rj1DQjM55p kHuVFjD6rSJAjMEAAEKAB0WIQRLwNeyRHGyoYTq9dMADmhBGVaCFQUCajE6hAAKCRAADmhBGVaC FVavD/9yhzQYnSJPI4HIeHxVcrE/iC9bg7qf+ncQO44JCoF/fENVkneVQntlW47tuP2uZFX7s1L dMbf4/uOyEzNt33eV9LKZ4zRDlGIkeqG98QdLepuvI94zQC6NdHGJ0OHFY60ODoffODpRt24074 JBSQ2l5XWf6X4NgaqJ9JtlsREAqFVJvpH3y6bt6+Mat7JLU7vepdO9ssLfO3cebnpo4h0rGZjyG 1oQXEiH/BXa4GJ+M8623jkV9GN1D14YKFre6NeLhMF93OtrjDS538r2Aow6W8YkrfUtJ4FM0C5R hJXNOPuzkFFzJyXZONW4mTzm8DjsksMJ+lKpYQSWzBHKFYDTrmeIlud1JFyVazaU4BVZUs6hVWq wHsL+peiAmptnYJDgkvu9UhWvI+Ny9VO0LK0cK1jLamOITrAoAP/Ze5nk+ES8oRISO5+amtl6rL ZRWgliWNsn3UHuQK/sMCkQgg4MSAz4zcafx6dMbyhP8IQnkXflLQCKOupvYgWv8YxxdVzZ35U97 4vu70gWnP28lIfLUF40SPzek/g/NU1Yn2nalEsUMpUX2a9RoQm/vFMT+p0lOgiT5lCDdoawlkwU jBFzpJMvcOuzDhliQdZIOdnznZXHB0nFDOndxlTHxvoMSc7P8yGVISyKaTf38c5OxNNXDdS7UDu eWEZXGW8nmr94Cw== 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 2a6a0c9ef65f..e18f6efbeb95 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 { @@ -5748,6 +5750,10 @@ 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