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 1CA953B7B7B; Tue, 7 Apr 2026 13:22:54 +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=1775568175; cv=none; b=GUj2BNS5D3Q0bEFkwmFTo+1oFSO/WeyFG2UJGqoA7WxxX4xkr9SiMVUL7IN2TTizbKAoqZAixreHWDRpUJn+k3PFpKnaQBeqrG8f2jZ1x5syCsDr3eGvHU4Pc1ZyE66hWPlHXO+jpMmmNHs8rDK/m9h5vs8ad93kU0Hzrw2VfOE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775568175; c=relaxed/simple; bh=g1I47p9tYcaU/TzDYfO6i1CSHlKcg5dHhdBE+M75uqM=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=VnGL961P/GS/vRieZsYLbfv4dWPsUNiGNkWcjlK7Kn8EElS4zZsd2iG6EjA4r31Ho0xBA33G95iNFA4WryxmD8upCWAYZNoNyuOulNDUI8LVwxlvUSW/wrwZeHtSxAh9VbkDHtNUnN2gFwzxhUknpysy+NjC8c5v/sWvv9CKOAY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Z/lmwWIz; 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="Z/lmwWIz" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9A3B9C116C6; Tue, 7 Apr 2026 13:22:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1775568174; bh=g1I47p9tYcaU/TzDYfO6i1CSHlKcg5dHhdBE+M75uqM=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=Z/lmwWIzkqrMJOz9N7Ckzmze88VfU9EqebQ7b0wavxOZE3WIY3lVafy27a4HbyiL1 HVZl43I7yDxgKqzJ5foPmKQz1AVK7LT9itVaDWUL4CSBQTVSnwe8bIx7MG3DKcSWlE 9M+5sf0pDujkeq32I6lIYU2YjLDc0aQWhJ0FsPRqQfadxI3o/cT5w6tyr97LqLZQVc o5t+pyAxDchv2FQ3Q+b2FhEYbNJKuXx9HoeUJnUBl5HsJcu4Gz+/flHbuAKmuzTdoE gcbOYqry/GQzPO1u+rvDOwKs34uMl1fGCg0bvDUHD85/0q/fcwYbw6vZ6DWpNBsYCA ZOWoQZp2v9YwA== From: Jeff Layton Date: Tue, 07 Apr 2026 09:21:27 -0400 Subject: [PATCH 14/24] nfsd: add tracepoint to dir_event handler 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: <20260407-dir-deleg-v1-14-aaf68c478abd@kernel.org> References: <20260407-dir-deleg-v1-0-aaf68c478abd@kernel.org> In-Reply-To: <20260407-dir-deleg-v1-0-aaf68c478abd@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=1716; i=jlayton@kernel.org; h=from:subject:message-id; bh=g1I47p9tYcaU/TzDYfO6i1CSHlKcg5dHhdBE+M75uqM=; b=owEBbQKS/ZANAwAKAQAOaEEZVoIVAcsmYgBp1QUHhVJtZw/rVGCFdLIokYltsEfMeXjinHD3c U/vqhnACuqJAjMEAAEKAB0WIQRLwNeyRHGyoYTq9dMADmhBGVaCFQUCadUFBwAKCRAADmhBGVaC FcCfD/95Un4hir96q/sORwpTWijQdhjwl/7B9+xLgnGjF3V9L2UT902waAysGgx7EJKP+WfAmok 8kYyd+DhxZrN+R6yuqCpauSVRfxlAcsFnUVCJ64HuYFiu7QCo6VTvFRzDk1TswPz6wDf8wEKJZc 9oolXdWHoE7V67fgx0qY5/RN0RR2k4hOofTYlFm660TxB6/jCOCZA1YS+qXfbjIvfeBKtiEcqed rKmZCyoN5iMy0XJ0WdE6inJnVq4uLwCVrpfeRFdLxYZoN9JNuHq0YoJDd07Djlj5rA3lxZMBJUX H4SbhJY6JQs7bElnUouTAnIl7w9H6YMnHLQIJfIbdJsJhiHogh2qwcCzB0OyOp4+3vrd287j5rW QXGX2s3BItcIYcgBDgWuXlU9yJ0Snia/X85C4vfDG79K19+jk+ClSm1hdIF3bULHR+9kInfhECl v2nYmflsXTKRYzDPRFd6rxRehTOU1eEWfkD2kxvs/Ivv+usnu8SdJQCjxqHFUM+KtPAEZTRTKjR FAqDQmAUoEWomGCuxVnSvw0bkcn8/nTCS4k3ZBxiXbUXoFt6d66zaXFfXO6APmlhuqarghSGQJr WT+KVLM4O1xarL2FEO6ESctHP0J/Mm/As/2cU/eAzAcm7OIBFoXzXw5IiUCHPeEzQ7YcJQW0iET g9wh2fPAKvdPS8g== X-Developer-Key: i=jlayton@kernel.org; a=openpgp; fpr=4BC0D7B24471B2A184EAF5D3000E684119568215 Add some extra visibility around the fsnotify handlers. Signed-off-by: Jeff Layton --- fs/nfsd/nfs4state.c | 2 ++ fs/nfsd/trace.h | 20 ++++++++++++++++++++ 2 files changed, 22 insertions(+) diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 339c3d0bb575..f3bf572b0ada 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -9963,6 +9963,8 @@ nfsd_handle_dir_event(u32 mask, const struct inode *dir, const void *data, struct file_lock_core *flc; struct nfsd_notify_event *evt; + trace_nfsd_file_fsnotify_handle_dir_event(mask, dir, name); + /* Don't do anything if this is not an expected event */ if (!(mask & (FS_CREATE|FS_DELETE|FS_RENAME))) return 0; diff --git a/fs/nfsd/trace.h b/fs/nfsd/trace.h index 60cacf64181c..3302cb926254 100644 --- a/fs/nfsd/trace.h +++ b/fs/nfsd/trace.h @@ -1377,6 +1377,26 @@ TRACE_EVENT(nfsd_file_fsnotify_handle_event, __entry->nlink, __entry->mode, __entry->mask) ); +TRACE_EVENT(nfsd_file_fsnotify_handle_dir_event, + TP_PROTO(u32 mask, const struct inode *dir, const struct qstr *name), + TP_ARGS(mask, dir, name), + TP_STRUCT__entry( + __field(u32, mask) + __field(dev_t, s_dev) + __field(ino_t, i_ino) + __string_len(name, name->name, name->len) + ), + TP_fast_assign( + __entry->mask = mask; + __entry->s_dev = dir->i_sb->s_dev; + __entry->i_ino = dir->i_ino; + __assign_str(name); + ), + TP_printk("inode=0x%x:0x%x:0x%lx mask=0x%x name=%s", + MAJOR(__entry->s_dev), MINOR(__entry->s_dev), + __entry->i_ino, __entry->mask, __get_str(name)) +); + DECLARE_EVENT_CLASS(nfsd_file_gc_class, TP_PROTO( const struct nfsd_file *nf -- 2.53.0