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 D1AC43AC0F5; Tue, 28 Apr 2026 07:11:44 +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=1777360304; cv=none; b=McPsfo6v5XCAoU+g1ulQGbb5vGKOlkQozn7xfF+/urniVM4UUZF43S09vdSwczitmgF8migYZAqhOYcUXin920AEkIm6CT9rbWjDUMu5Qclos249O6n/P0Cep3ALgB6MWs+8L3nAkUuzhxIqZTjXz7zdGuaRxRUa9l1it+OP8wk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777360304; c=relaxed/simple; bh=PbrSbsGDzBILK48DxjomAYyp/zp1sNlXie6EEkLW5gU=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=hkFttJzkZjB6OJc21LujDWP3RD7U9xJEyCwypgh8OTDZiqXcj3LOSQX//PolBNrm3//ty8hzM3s6Lk4UJtcqeBw2mXm2qXeQ3TSWFMHWCHzD7YV0Eb/IYew6BEDGSjd01Pw9/rvLYhIyf0h4JUou5HAL7YpFM+/2innb0dIcyS0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=mCDdEYmo; 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="mCDdEYmo" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 98D8CC2BCB6; Tue, 28 Apr 2026 07:11:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1777360304; bh=PbrSbsGDzBILK48DxjomAYyp/zp1sNlXie6EEkLW5gU=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=mCDdEYmoh3j+8ogRcEtMqVt8hNrZniK/TyhuRdKAK7ravoJFjYAygJGz1n3CENdX/ nRf1uN+ZoskjAqTnJLCIusUWkgzi2ik+EJsV3CGVu3JsHaHdYFacuSONjBDxYmRCrJ X2KaqjT24CvKgrKoGtWhPcof699A6ORdm/50dJW2INyfUW80FmWZou/aPY+Fv6oU/6 bvlrlMiawCc9Pwr72fCN+92vGaYLkhZzv+EQw24fVK++p+ZNwYMdyzz8ytMDT7vrEx uWm7xYTDNAoeay5TT0dov8uAFFYoT9illb4KYwUQNmwscdjQgIAIIztb/XU6y+w041 jNdVR96Mtmt3w== From: Jeff Layton Date: Tue, 28 Apr 2026 08:10:02 +0100 Subject: [PATCH v3 18/28] nfsd: add tracepoint to dir_event handler Precedence: bulk X-Mailing-List: linux-trace-kernel@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: <20260428-dir-deleg-v3-18-5a0780ba9def@kernel.org> References: <20260428-dir-deleg-v3-0-5a0780ba9def@kernel.org> In-Reply-To: <20260428-dir-deleg-v3-0-5a0780ba9def@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=1983; i=jlayton@kernel.org; h=from:subject:message-id; bh=PbrSbsGDzBILK48DxjomAYyp/zp1sNlXie6EEkLW5gU=; b=owEBbQKS/ZANAwAKAQAOaEEZVoIVAcsmYgBp8F1S5lm/Zy5ablNM/wbgAJGSpljpuzYaUsAcq 6aob0spJIyJAjMEAAEKAB0WIQRLwNeyRHGyoYTq9dMADmhBGVaCFQUCafBdUgAKCRAADmhBGVaC FXlvEADIjxo5rAg9wcEBnJtkn3ArC/GIL9FcB3U46u0IFp6PY79oIeNGUqGYDb0P26Tn/j0UQwz FCdVEdKMdC9OULR47Kw0F91nAwdG2c1QNKoFkZItnHSIk9VJUowvn+5IH1X/U5TPvfGEV2arBQF kY0gudx/2Co4y80RlkRY+TesSbUfiphdCKfTPzG+cpdG+VuYGE4m7DyKqeOy3GSGVb8b/feb6WU CjDLya8YhRKcEMuI2l9w4ADaSBZB1xsN/x86KL/dUGaYKy+E5X1HPCow0vbqFErJXGuiFNSPati 8N4n+D/Dz08YF3gcAT7sAX/Ket+P3S1iOzj6coPqljA3bO4xuKJcVJopyNsZOQBCyZnLhjeSMwk rme3Xd0DgS+7WaHARvxG7XadRqwA5aIoig39jeEqN1qXb7EgcqYOMNtHpWG3kseF1ITQcBc+HFX bZPXYgwe6LGnxdV+nW2B7DWSHzYqh2zhHTfusq6V/xOsP9+PamuV9uf3DcKkggEgQYVS62DCGvf gshEoaKbb2yqdKq+ddALaXVu/5EoXTCtTMAm4fk8wjF1cXTNw01OZOR5fOzysqZeVhsSpKqwB6/ veSigUVmoPbaP0ibxK7HGVmO1UUSJ/i7bEfJXyryV7GUAF7FUE4RdymslBPo6pPi3PuooN7lEZg H80mDR+knBlOk8A== X-Developer-Key: i=jlayton@kernel.org; a=openpgp; fpr=4BC0D7B24471B2A184EAF5D3000E684119568215 Add some extra visibility around the fsnotify handlers. Reviewed-by: Steven Rostedt (Google) Signed-off-by: Jeff Layton --- fs/nfsd/nfs4state.c | 2 ++ fs/nfsd/trace.h | 22 ++++++++++++++++++++++ 2 files changed, 24 insertions(+) diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 2b711443281e..f00aba95753c 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -9996,6 +9996,8 @@ 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_handle_dir_event(mask, dir, name); + /* Normalize cross-dir rename events to create/delete */ if (mask & FS_MOVED_FROM) { mask &= ~FS_MOVED_FROM; diff --git a/fs/nfsd/trace.h b/fs/nfsd/trace.h index 60cacf64181c..b9119ff4253a 100644 --- a/fs/nfsd/trace.h +++ b/fs/nfsd/trace.h @@ -12,6 +12,7 @@ #include #include #include +#include #include #include @@ -1377,6 +1378,27 @@ TRACE_EVENT(nfsd_file_fsnotify_handle_event, __entry->nlink, __entry->mode, __entry->mask) ); +TRACE_EVENT(nfsd_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=%s name=%s", + MAJOR(__entry->s_dev), MINOR(__entry->s_dev), + __entry->i_ino, show_fsnotify_mask(__entry->mask), + __get_str(name)) +); + DECLARE_EVENT_CLASS(nfsd_file_gc_class, TP_PROTO( const struct nfsd_file *nf -- 2.54.0