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 2CB6C32BF5B; Wed, 24 Sep 2025 18:07:52 +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=1758737272; cv=none; b=lE0DsNR4JaPM5/caqcJdh901YBNrbjNUVmn/YEhRhFwA9UsWYNbgj/S/Z0p/dpf3yNleAQBEra94EX6RJrd75n8ktq7rDQUgxmew3Ob5EtXkHpkCtC/1ldmacmA/Jm5b7fRshddiuz8Ub4uzhAbFysDvx9BpC/OwbdtyRCQmi3c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758737272; c=relaxed/simple; bh=GFt/XQXg2dRZWwqUa59cIFQemMF2hIJF8NPQx8IYZWM=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=OsW/cnatcn620S68xvU7UGU9h/w9AM5AkE6HFVNTqaRJXFxfFeFMJ4APsoTYBR5CrkVgixO4fdTCGobb/bkBqXebXICoanfr0o1yWGlgMZ8puSoY+I1VgdPktXT+mcaJkeoj2Syd80mIzo277Vz/T4Ch7Boc4gyM+KpfWTfViy0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=MD27wo4p; 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="MD27wo4p" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C76EAC4CEE7; Wed, 24 Sep 2025 18:07:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1758737272; bh=GFt/XQXg2dRZWwqUa59cIFQemMF2hIJF8NPQx8IYZWM=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=MD27wo4py3W5JChD7JGB8qiRHh4x/mVXCy3wH8xk6VEZjZ/IDSI3a8X05j7R57Ane qPyzLUa0PuT7AGKsBxF4XE41fp/qygw7ZM1OkZrFlO8sLjR1H5dAk9f1hVmytmB9Vt I/hR/QXWWXB69Qm24jpi3MjaTVXODvWIawsRQg++T6qYF9bIlxVXtp4m1ulTEb/c2X hzCAZuuPCHYYC1VRh5UlU1x2sewHYcQlfJDcQ/A446XmJ9ctvEMD/iJ0kzQ1RGGjtx g2njlQzQnEdS0u8acPxOu3QIbOur+kHWt5j12fZlm8pHENjfAK5D1BTeq09tu7ULww 2K1Mwijj0AJzQ== From: Jeff Layton Date: Wed, 24 Sep 2025 14:06:14 -0400 Subject: [PATCH v3 28/38] 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: <20250924-dir-deleg-v3-28-9f3af8bc5c40@kernel.org> References: <20250924-dir-deleg-v3-0-9f3af8bc5c40@kernel.org> In-Reply-To: <20250924-dir-deleg-v3-0-9f3af8bc5c40@kernel.org> To: Alexander Viro , Christian Brauner , Jan Kara , Chuck Lever , Alexander Aring , Trond Myklebust , Anna Schumaker , Steve French , Ronnie Sahlberg , Shyam Prasad N , Tom Talpey , Bharath SM , NeilBrown , Olga Kornievskaia , Dai Ngo , Jonathan Corbet , Amir Goldstein , Miklos Szeredi , Paulo Alcantara , Greg Kroah-Hartman , "Rafael J. Wysocki" , Danilo Krummrich , David Howells , Tyler Hicks , Namjae Jeon , Steve French , Sergey Senozhatsky , Carlos Maiolino , Steven Rostedt , Masami Hiramatsu , Mathieu Desnoyers , Paulo Alcantara Cc: Rick Macklem , 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, linux-doc@vger.kernel.org, netfs@lists.linux.dev, ecryptfs@vger.kernel.org, linux-unionfs@vger.kernel.org, linux-xfs@vger.kernel.org, linux-trace-kernel@vger.kernel.org, Jeff Layton X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1797; i=jlayton@kernel.org; h=from:subject:message-id; bh=GFt/XQXg2dRZWwqUa59cIFQemMF2hIJF8NPQx8IYZWM=; b=owEBbQKS/ZANAwAKAQAOaEEZVoIVAcsmYgBo1DMQREfN8nuevFO3OObbGgLagh2K7PJ6GskFe /Gcrrf338OJAjMEAAEKAB0WIQRLwNeyRHGyoYTq9dMADmhBGVaCFQUCaNQzEAAKCRAADmhBGVaC FQOBEADGS8aO/CcIL+9lxtnRfAYYup52yK72zEtZ3ppq24ymwhzfti0UV1tBZmzGrH8ypUm3h8M Hniqo/Lvq7PGmRHzCc0YYXhzBFFE18I+lOM/Z7JKKnB1mFQyWyEj/+gLWXUFGloUpm6JwtWPf0i rSDTn8gGHNsGIqSIAwfnz50fJWvVei87SRQ0sJeaDd347Skl2dWtgzfWRwEWekUAmBj2g2dob2u cLdzyBd64EeCJg/NuGorlotC7VMQ1BhWNY70ymvXKdzqrcbg2Xv5lEuNq2lQpz1Gu7oHqBsEcHL CdSFggmhQAYvo7wXmZW2nuwNIkdhKc+DpRI6Gf6lq9GlkrzNRUvkjRFWosguA+HjhUV7cK70Zgb WXmUR1+ztarUkcyyb5I62PSzdF+en9bglbvXeFhXgdljqtnTPuOnDmSarzljw+KoovKOpx/+2HI a/XQmA1jZ7RNwvnO+i9CyFQKVDZpc4zXSzhmKW6vkkyfpbyE4N6PSsQ5NVUQAkU/sox650GnQQV hs+DF4myr/rJfvZyKp4iDYtCGA3c0kpOvM9KFjspLhUy+iMxGgQy9sCisyB4u+5C37QmitqaqYu JBe0TWgcg5hoJvxzlXEk8W6ffqlqI2VoD/RBzHJqxab7rg2fdo/VyABHnzLZiXHsSSVeCIYgMbG m/CriOkV3bnEBsw== 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 f3d3e3faf7d5f1b2ee39abb7eabd2fa406bbac21..2147b5f80ca0e650e9dbdb63de7c9af6f4bc7bff 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -9796,6 +9796,8 @@ 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); + ctx = locks_inode_context(dir); if (!ctx || list_empty(&ctx->flc_lease)) return 0; diff --git a/fs/nfsd/trace.h b/fs/nfsd/trace.h index 01380425347b946bbf5a70a2ba10190ae4ec6303..d8b6d87f1ec09ca80fe4218fd79aaa803a316619 100644 --- a/fs/nfsd/trace.h +++ b/fs/nfsd/trace.h @@ -1311,6 +1311,26 @@ 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 -- 2.51.0