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 4EF6837BE80; Fri, 22 May 2026 19:42:32 +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=1779478953; cv=none; b=nR8QO4Rw7nGJtKN3stkimqlWq9XCfWe7Ej8q8abx1JDqeswde+ycs2DQFWVmRjHeLlOg0lSzRKn8karMZsMANmKYBj5APRQB/1pYvy0rjKUZJBItan7iiD//4goyN3R8wXTz5W0Gmb38L1Hh+UYl0rKAg5TKBpkfAa/diBQKew0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779478953; 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=uvewBs7QKQ0Xl3qDYbTzuJsz7+ncHBEmKEpTE8xxzYOC2PDawzO2iz7lQN6JSDesyGBFAXjCNhW3PmyCh1K2UDG0Q67r0no53xkdH9NEojRWjFtsZA892aFWg5skIL1S6cvN04gToYz86SzvluIlJFdDUvgTOBlCewwL+eQVEbI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=JDTolst7; 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="JDTolst7" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 48DF11F00A3D; Fri, 22 May 2026 19:42:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1779478952; bh=tS3ewl/RblzPq0s0br2Ku7A8Mpy7aLrtToStoyvDFrA=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=JDTolst7Da5QxDQrmw08wDSUlzLgQNjZNt2IB5YB+oSWpbqro4fCt4xfbR+HhOqp7 IOSTDCbOKhXsgscKCslOo5UOsRPLCNSsEerU9wEmpmvIu/M4wxnkiDQJDVn3VdIL7B jhy2r4KXCNSX7pUyoQ6wiFWMziR6SGYzv2nArVI6mEAqKHNVTH4pJzS4Sdi0P6JGJH F0mO9x1YCyBniIxv6BbLz+0HA2/4/s45glzcqcU369dQGHyC/gIzyCk0tk3/MlzWZu +knJUzzQ+fqgaeHW19i7N82G0OWo7VsEC9IaumYmqRFPafI+yvV6hdNbHllK3VpMNS XFHyh+LWJ8x2w== From: Jeff Layton Date: Fri, 22 May 2026 15:42:06 -0400 Subject: [PATCH v5 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-v5-1-542cddfad576@kernel.org> References: <20260522-dir-deleg-v5-0-542cddfad576@kernel.org> In-Reply-To: <20260522-dir-deleg-v5-0-542cddfad576@kernel.org> To: Chuck Lever , NeilBrown , Olga Kornievskaia , Dai Ngo , Tom Talpey , Trond Myklebust , Anna Schumaker , Jonathan Corbet , Shuah Khan 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=ZKSdExH//yHPrO+bh/Uj+4YIl81jFCLLy6kU97jewL8=; b=owEBbQKS/ZANAwAKAQAOaEEZVoIVAcsmYgBqELGciCVEOBfhd6IsQqcKVVVVlC9dE5yVsKEy4 TdN/Cv2SyCJAjMEAAEKAB0WIQRLwNeyRHGyoYTq9dMADmhBGVaCFQUCahCxnAAKCRAADmhBGVaC FRZVD/0Uwq6bdtD2qIN7pwQLS2CgbgvUmw4+LgbHqbhbZdim4yghqWYGmeNOq4BH0YGcVzv51VD sgRfWDSIwCal5ObWni2aGO5AAMgUomYcK8v+eJikkIKMyssEEDv+V6L6/TZeQRgcVPyUJZcbMKM FLdF/bGkj7wbZRy/b6f/6SwRJougWS8XIs1rVwHylg4OlhrYYW0BHqq+T+aXubIU+OzAft0aAdW y08JD3lQqBL+xTUyxX7MJDyk4UZt9UUSkFuLvOP06dmG17pk06oMjCcF8uQhabl9/TiqnsLR80Q YklvpQ8iuTlbz0iBF4MrfMgAKdSJk+PhPLgpJnTJnD3qOvrod5XWHUkmrL4Ymsr6+te+7jDfnfv I60ObhOSKGdcy31b+7njpFFpnGZ78fVONz+q2Pvj4Mxuh3mHw8/Zrsdig71SA0mWEFo7u01vxaa MnjRV2Z+HksEOZNr4ZvLEWUZYu8mui9Ztbh7lgqotZh0YYDlFYgYBR2jYR5296BlitV4FVD+mK1 kx/QzhyQBwXHxn/rmPcGK7iRK73KcH40PEeJjQ3HESTgchAjusKC3X88nP5KkhhMCvKdq/6NZXs droNeTsla+fWlnXCQIgjg7C+6Hk6OxuxDY55j9ziZZGHfEtTTEc7rClqf5Vxr4cnCQzIjlJqIpY BG5O7PcjBnqH7pg== 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