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 51BBA3A0E8E; Fri, 22 May 2026 12:29:28 +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=1779452969; cv=none; b=hZR9ZIvMR/Z6TyyZBRomEx9r9d6/tbkUTF0jh6YbDWJMYpbm/z13uXFI7l5L71bYT5KR/2/GI7rIbhCo1pJrVdIit6O9fnyF0j9lfXMby0SmGOsXWMML62P0ars02xrUr4dN30vW73IfulVVbSEUAekYY9GDQnMy9VOZAeKKWz0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779452969; c=relaxed/simple; bh=mEnEGZv6+uKTOIKyYYSMR0uBJ9dj3FwKNsNHskjqYZc=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=KB2cZ0yrD5sA/S4zls9FVvWZRtzXtDMYKCjXuJ+cnF2uRdcXXnR/bBzoeaN9Fpxbh1wRIewxHmDW/ecgV89vKuSJvnruL2AUBkaph6jfuaOUjkp+sSxsVTHu+YT8/APLUyF7sTik59W4tRdRPTxw3zgdXcy7I/GUJ8RjmTB8VaI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=dzicd/NG; 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="dzicd/NG" Received: by smtp.kernel.org (Postfix) with ESMTPSA id AA6861F00A3D; Fri, 22 May 2026 12:29:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1779452968; bh=8l0fFOViIZQZ408K3lRV+hJ1K9YMUbyGPRzWx26nrTc=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=dzicd/NGO15PRO/tBDi48FkmR7Sfy0r2qCXB4yQWxfeaUnsAVnNgsqXGiYjKZTKVj CzPtFdnwlm0M4hJlV/JlmLhlly9x7E4EmF/wPWwitonSN9urofy1SXwNGYoSLYdeMp aGADFGt5jAK8G6BHDNon8gOc4bsFgPvWWqXmWq4FGx7xY7d14JgW31tN+Fh8jjhItN LTc/T5jLJ6weBU/fR31DI6u4P19v8HNQsVz2vmVarvFD/a5U3lp6Fmrw4IFfhacL/Q Y6XhEdyR8bC6q5t10/q5PqX5PnBgun/kz9Zx03wJkAcopUlxLF3mnWptut35t5iG5v iuDZTuW3QwBDw== From: Jeff Layton Date: Fri, 22 May 2026 08:29:00 -0400 Subject: [PATCH v4 11/21] 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: <20260522-dir-deleg-v4-11-2acb883ac6bc@kernel.org> References: <20260522-dir-deleg-v4-0-2acb883ac6bc@kernel.org> In-Reply-To: <20260522-dir-deleg-v4-0-2acb883ac6bc@kernel.org> To: Chuck Lever , NeilBrown , Olga Kornievskaia , Dai Ngo , Tom Talpey , Trond Myklebust , Anna Schumaker Cc: 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 , "Steven Rostedt (Google)" X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=1985; i=jlayton@kernel.org; h=from:subject:message-id; bh=mEnEGZv6+uKTOIKyYYSMR0uBJ9dj3FwKNsNHskjqYZc=; b=owEBbQKS/ZANAwAKAQAOaEEZVoIVAcsmYgBqEEwQQf7iyMobO4tXmgQFWRcrIkwm3g3rf9q/a 3SMHPkE9JaJAjMEAAEKAB0WIQRLwNeyRHGyoYTq9dMADmhBGVaCFQUCahBMEAAKCRAADmhBGVaC FaYBD/0f5ueCiWM6knSK1JWo1XquINhmtbzGj3nkxnrSEkxMuHeUSPrrkTTfnRhBn/O8xCIxBpT DQYm4MIIEEcHvJle3+xwpXaN0IKEyaTjYirzxz0NpDJr7AbEEhc54ytunDnI2/hcTo4gyD6uRvM v8iSs3mHdPlFxofUUzpbtiG2tSV3KE1oPfl+rHQBZoVIlgmbjJwhthTq2tYvmdV6xLA4YAXFroD B+1JPiUJTljPrmxW7jSI4YK6wsE7FAnJdQlhTSEuC7fU+eQFxssKDM5ykhdfir+xw+JzgBoQ/SY MPWX0jC0PBQl+MirrvOLjW3SGAGfM27yqtcm+giu9s3JOtxMb/lsQjb+HVHk91YpczS92gE1/36 rpwbjYbfY5u5jN24pgN0H3Epdv8B5YTroMzuiijkQHLLR83HyQczvERGOSPZiDhm10J8HSjBCdw n/3/I2CfBAb16/QxEK9W1ssyWshe+X/d9Rf5ipFXmDIExk1AbiPzNgnZzFk28mTILSNW2DLzpj/ p4EqVqwA7LQciH1PlGfKlLNBwoXxTY4lVbkPxWWCuYw/Anv6UCT5GnrRRZJYJ9vOmIB15+TRagh adzA2ppvt5oSzDT9r1MyAmsTa37IBytRv6Rbz0RVwEyemJudsPkCE7p3yid6uk4bn6jytFYeuRp IDLkz21aiYzEsBQ== 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 3afde2e91efe..8d73203297e5 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -10032,6 +10032,8 @@ 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 ebf5677c4e73..e8e121a52e82 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