From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 D51A13A16A6; Thu, 16 Apr 2026 17:35:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776360945; cv=none; b=ldm0BrSr/l9IEMgBP1jrOrlmpm3b7K2QDPdEi+3dcuf8OR5ZKOSNs+1yFG8Glu6mEcffjqDKstFAJcCzosRECVSYcUQpQQSPQPFLTQmQL4ww9M12PqLsDsnyp06cc/PzBhvqQe5KsKPDBsvgvzdw9tF2EAPbhSYweWwk0fQJeQQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776360945; c=relaxed/simple; bh=8AWV9g9nNbAzIUfizkPyGOFE9nEceUpI/1oajrzco/8=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=RljdcXix6EMNBHRUVpcL3Jn5eJFIBrOwQRvxStzY0HZSBRhp7kFWhWerrdjASQSgcN/xfBmv8MkXM2aDi2LILpmxpUZFth6wIpzQCtDkpEezB6matJFo89ynnbi1Gtib+77xkVycsB5q5kjqyeimspYfi5j77cwYtoYgAGqun+E= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=WuwELF/w; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="WuwELF/w" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 93B3BC2BCC4; Thu, 16 Apr 2026 17:35:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1776360944; bh=8AWV9g9nNbAzIUfizkPyGOFE9nEceUpI/1oajrzco/8=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=WuwELF/w4jzj0M1YVd5+EU40QttqzVgF5u2PdpluMLi/zTioBAw9Q7OqzDZ/pNlxA anoKcndIwgv1HVT+fzwOOL/BrcoVupjEuxdos7x9/8n3zURW0g+ozddbrHUGst51bZ U12Kx9/G1fv9Tf2Meun8dp83GtzT8WJEcyprzjjjVA2iKRqfZviD1uyHmrqK2Gz9zU /f3kJAXoDjRgcZHH+9WRrxELgXEbcZSJlHQ8u4KD9DgVvQc44eOuF8960u5B9i3pW9 rVPAfqlJ/VQOKVUW8o1fzdHly6WRyLJmq6W2zf702Y7lfp2C68UjVqZ0+vq+Cyyv30 cBS+vBRu2U0Mg== From: Jeff Layton Date: Thu, 16 Apr 2026 10:35:09 -0700 Subject: [PATCH v2 08/28] 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: <20260416-dir-deleg-v2-8-851426a550f6@kernel.org> References: <20260416-dir-deleg-v2-0-851426a550f6@kernel.org> In-Reply-To: <20260416-dir-deleg-v2-0-851426a550f6@kernel.org> To: Alexander Viro , Christian Brauner , Jan Kara , Chuck Lever , Alexander Aring , Steven Rostedt , Masami Hiramatsu , Mathieu Desnoyers , Jonathan Corbet , Shuah Khan , NeilBrown , Olga Kornievskaia , Dai Ngo , Tom Talpey , Trond Myklebust , Anna Schumaker , Amir Goldstein Cc: Calum Mackay , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-trace-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=8AWV9g9nNbAzIUfizkPyGOFE9nEceUpI/1oajrzco/8=; b=owEBbQKS/ZANAwAKAQAOaEEZVoIVAcsmYgBp4R3jEcvH35WurmxVY0AQR+jHLEXucAm4yURcQ arvpQtoGvCJAjMEAAEKAB0WIQRLwNeyRHGyoYTq9dMADmhBGVaCFQUCaeEd4wAKCRAADmhBGVaC FWGhD/sG1pZ/4q2wwdvup665wVoNk9P8EfUUgBhNw6kbxPkeRlkDfiVor8r8Pn6Xn70hTGfvFEq gVTyFF+fUa3AZLB+o3OMsq68+rfHlKc/8A9rsa4D/C4NijoNFNNg9lFB8KeR5JbC+JAmBZ8H9KM YUeL6CCki24ZmQa/DfqmFP4zJXcEPr2c8Nzrm+4OsZMJunZSEOYsVCV6TU8WOPsCGVk+JMAQ2Vz FzIl92Ol8u/POcuREAQ5H6mc7PC388CB+SZp6Ah1U+edGrLhiroO7NtVDMfMpKOPU883NkdKBqg 1RTpeD0u0C5cEmSlrnwcjEP9jQfdsRTMtWChbbdh64EDKe/XHCyltxrlWqPyg+wkr6FHSvrQYn+ NmB5B3YczoETui2MCD7FGQB4cPLJqwcHcQTF9/3yqy8xnIGXjs7U0exW+pScENRzeBGLZsGJ+n0 tnfupU1l7iiQugWsAbKql2EwiMc6RO0wcVi0alSkRAuPRV3yeDhjD8e7HNXSEXuo8LAFLTnYYTz ww0bnbceXovnaBBQeJIjxU1PMu/bC1QL8MqbEG+bIrsOp8YFQprP5FqoSZW8LCJb8rVge0756lU DgpEqSQfbsyL3G8jlZj3EBxg2ZBMh+wqkqw+Q/eFbBHyJ6EfZb722g9vD7epGeIkYUyRpCVO8Ha DPr5CKzt6RVzaHw== 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 c75d3940188c..35f5c098717e 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 { @@ -5655,6 +5657,10 @@ 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; -- 2.53.0