From patchwork Fri Mar 15 16:53:09 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeffrey Layton X-Patchwork-Id: 13593753 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 329D05DF3A; Fri, 15 Mar 2024 16:54:04 +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=1710521645; cv=none; b=VCdWWhsRGdiGlaCE/BgUHejTjULhgHoLUF1cB3se7S3anzKjjeIXO5tQp/Erbg83sSsSfC79xsY4bJ4MyD+CTuKZbXw4pcv96lg5Gystmnf1ZqyYGZJugLrXrsI9e7+L1w6spSqdAmXMTkNfV/LWmQTQ6LKFjVRro5MIQJ97KDo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710521645; c=relaxed/simple; bh=XiLoCX5bhdIOKqVgg6TYQoclvr1Nu5zRdr/p/ktT9jI=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=qmvvTutwcBUWA0gyJ4705t5+nAgkef/EpR2X61nQgdBd+KwRHC3mJmqGpnmZQfgf4JI8O6264lKhU9c8a0i2GE2RaURmWuicofhxK6dZmB7ZY815EXND8UdZOP0VLtz8OttTEy9wER1IGBaU0LXWbPQ5ODrNnW3hn8Yj2P/CY0g= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=BLPvsPtQ; 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="BLPvsPtQ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id AE688C43141; Fri, 15 Mar 2024 16:54:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1710521644; bh=XiLoCX5bhdIOKqVgg6TYQoclvr1Nu5zRdr/p/ktT9jI=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=BLPvsPtQdNH5QPkGe5nrzfrhOhLNi2qwiwA2ylgWSBrlb8XTozNQ95eRiDkApXBll Eq/eMNeqMJxZDFAbeyaPJb8yLCrV1oTKxOV4sRgugj+PnBh8S6DZfOmNr4wSWICVab I5QqpFrWSpRjYP1+RlK5lZifRgcaXmY54Fm2zkhqTwoveWgpZXmf5R3c7Todz0zo81 pI+rzNF1Jp0ez4zvsj7YUucHPhITnQWcxkyFNmAcDyfNWcSSIMqYF29mAECLJJOmvz SVdnJUW4+S1K8Mapl2DOyY4KX5QyBbkA/+cgzyLr6AqS/Jpro5R9JA+INPyQubZ3dF mxOhzh3d1u28g== From: Jeff Layton Date: Fri, 15 Mar 2024 12:53:09 -0400 Subject: [PATCH RFC 18/24] nfs: add a tracepoint to nfs_inode_detach_delegation_locked Precedence: bulk X-Mailing-List: linux-nfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240315-dir-deleg-v1-18-a1d6209a3654@kernel.org> References: <20240315-dir-deleg-v1-0-a1d6209a3654@kernel.org> In-Reply-To: <20240315-dir-deleg-v1-0-a1d6209a3654@kernel.org> To: Alexander Viro , Christian Brauner , Jan Kara , Chuck Lever , Alexander Aring , Trond Myklebust , Anna Schumaker , Steve French , Paulo Alcantara , Ronnie Sahlberg , Shyam Prasad N , Tom Talpey , Greg Kroah-Hartman , "Rafael J. Wysocki" , David Howells , Tyler Hicks , Neil Brown , Olga Kornievskaia , Dai Ngo , Miklos Szeredi , Amir Goldstein , Namjae Jeon , Sergey Senozhatsky , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-cifs@vger.kernel.org, samba-technical@lists.samba.org, netfs@lists.linux.dev, ecryptfs@vger.kernel.org, linux-unionfs@vger.kernel.org, netdev@vger.kernel.org, Jeff Layton X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=1244; i=jlayton@kernel.org; h=from:subject:message-id; bh=XiLoCX5bhdIOKqVgg6TYQoclvr1Nu5zRdr/p/ktT9jI=; b=owEBbQKS/ZANAwAIAQAOaEEZVoIVAcsmYgBl9HzuFU9/qcgtCrWHrKJL7PuqWD46v0PKpVFYD d0wkTeXPv2JAjMEAAEIAB0WIQRLwNeyRHGyoYTq9dMADmhBGVaCFQUCZfR87gAKCRAADmhBGVaC Ff3SEACwqsjqTGfQkWOWe61DrYWuJK3UYZgCteOaTcV+W2NWpxdnkFRovxC3Se9EQLFO4XYdz9h sn0mFfChkDAvBCMdBVVXnmiUSbyibhezGotYkv/OvUgiXR7EBtFEkB+gHkwRKlMDjJ26di0puOO uSrdJuCp0u73L9RkjUAQldmInEzMQ0/BoGkzflTS6JtvfYM2lWk8Vl3zPA1d+PC4V5GbewJQ+EM V5H4uqj2ZMEpL9R8oGjTpMT7MANepirW1NOyv6fwvSqbNg9q9q8sbCSyDJ3SBvLOeNcvC9ftk2d aTdXJSePeMTuALlxkeoa+KdleIx7qwV5d0pYLnLp5Ln6LfRe0m3pybLzBcLyKgIZ2evFWpbm/KP EROuJMgNarMgNsejXdkODcuHcKrt77wRFe4HC93mAQQSJVCxzF8BexykjGwbkBmEM2Qy3HQy1QS PVEMszQUJhJ7Ljm4y97zwWZftIkSfahruJsqoRXJd16/qLTJHrb5p1dkZFAvGwsmaMozMu6EOaf 3EVaCPZVvYPu+Q5ovAeQuueGEkvAoZcV7dwrvlFmpWuFv4YfE38lxbNby4N+UNXQsL5H1GbLRJf PXVHfP5hiziscco0g7ByP2lUwWP2uvoj/h5wG1zJT9XgMaBX9nQ3pjZNb+f8BYuBV4j+0qxneoO 5NqX/6yGWQJ5Gsw== X-Developer-Key: i=jlayton@kernel.org; a=openpgp; fpr=4BC0D7B24471B2A184EAF5D3000E684119568215 We have a tracepoint for setting a delegation and reclaiming them. Add a tracepoint for when the delegation is being detached from the inode. Signed-off-by: Jeff Layton --- fs/nfs/delegation.c | 2 ++ fs/nfs/nfs4trace.h | 1 + 2 files changed, 3 insertions(+) diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c index d4a42ce0c7e3..a331a2dbae12 100644 --- a/fs/nfs/delegation.c +++ b/fs/nfs/delegation.c @@ -342,6 +342,8 @@ nfs_detach_delegation_locked(struct nfs_inode *nfsi, rcu_dereference_protected(nfsi->delegation, lockdep_is_held(&clp->cl_lock)); + trace_nfs4_detach_delegation(&nfsi->vfs_inode, delegation->type); + if (deleg_cur == NULL || delegation != deleg_cur) return NULL; diff --git a/fs/nfs/nfs4trace.h b/fs/nfs/nfs4trace.h index fd7cb15b08b2..b4ebac1961cc 100644 --- a/fs/nfs/nfs4trace.h +++ b/fs/nfs/nfs4trace.h @@ -926,6 +926,7 @@ DECLARE_EVENT_CLASS(nfs4_set_delegation_event, TP_ARGS(inode, fmode)) DEFINE_NFS4_SET_DELEGATION_EVENT(nfs4_set_delegation); DEFINE_NFS4_SET_DELEGATION_EVENT(nfs4_reclaim_delegation); +DEFINE_NFS4_SET_DELEGATION_EVENT(nfs4_detach_delegation); TRACE_EVENT(nfs4_delegreturn_exit, TP_PROTO(