From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from m16.mail.163.com (m16.mail.163.com [117.135.210.4]) (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 814513E00B5 for ; Thu, 20 Aug 2026 09:06:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=117.135.210.4 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787216820; cv=none; b=M+0F55VH6pIr8zbaq5P4LNenLsjBDgLB5Z4dDsqIvh3/BXDWMe2e+CesL55HkC9PfQeTLxnQsip/F47UIS06bkxphLD0kiM7PbueTG5T4i3YE0TwtsBSAa624sFHGjTB84ikuowRFbGXoRiqk0IUI2VQYwzDnSgoMquYQPod+sg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787216820; c=relaxed/simple; bh=FH77Z4Tyi6l79sLP04scPPmahnqB8vKdTTxzhy1lFBM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=L6Xta/0Ltap2REnTAMRT4FDPLSYFhhCo4Fwm/psMbVgOilr6hh/6YNDkEqGeytR20u/CKSv21LbiZRqFpTgI2O/om4ZQbvbgTad3ku/x/6aRl4/chHQadPEYBbk14MiN1zoA5Q3fjloAALmMUDxuWbFiHYQ1jMfTGHcIV/Zus2k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com; spf=pass smtp.mailfrom=163.com; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b=bcGejpP6; arc=none smtp.client-ip=117.135.210.4 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=163.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b="bcGejpP6" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:To:Subject:Date:Message-ID:MIME-Version; bh=ET 9N/9vZDeZEA2twROTaEvCeOy2JTOq+VTonny2bnZQ=; b=bcGejpP67eF/odowCS Mhyo+nsBoNTegsUAs8SqlzrhElVuBN2G/32G0pfD364wNe3j6cQQVFGREwfDjFGv fyrzQ9aNTIM9OU+YraUqO7Zj2NSWwf4KyORa/l+tKSy+aTX0HLMUark/kJnMS706 7YPPfa/7Vtv61HTAuIEYEGAG8= Received: from liubaolin-ThinkPad-E15-Gen-2 (unknown []) by gzga-smtp-mtada-g0-0 (Coremail) with SMTP id _____wAHFld6w4ZqIRluPA--.45482S8; Thu, 20 Aug 2026 17:06:33 +0800 (CST) From: Baolin Liu To: almaz.alexandrovich@paragon-software.com, rostedt@goodmis.org, mhiramat@kernel.org, mathieu.desnoyers@efficios.com Cc: linux-kernel@vger.kernel.org, ntfs3@lists.linux.dev, linux-trace-kernel@vger.kernel.org, liubaolin12138@163.com, liubaolin12138@gmail.com, Baolin Liu Subject: [PATCH v4 6/7] ntfs3: add iomap tracepoints Date: Thu, 20 Aug 2026 17:05:03 +0800 Message-ID: <20260820090504.950475-7-liubaolin12138@163.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260820090504.950475-1-liubaolin12138@163.com> References: <20260820090504.950475-1-liubaolin12138@163.com> Precedence: bulk X-Mailing-List: ntfs3@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID:_____wAHFld6w4ZqIRluPA--.45482S8 X-Coremail-Antispam: 1Uf129KBjvJXoWxGr18XF1rWF4DtF1rAryxXwb_yoW5CFWxpa sFyFZxGa97JrW29wsayw4FqF4ava4xur4UKr17Wryay3Wxt3W7KF4vgFyjvw18AF1jkr1I gF90vryUG3WUXr7anT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDUYxBIdaVFxhVjvjDU0xZFpf9x0pRBMKZUUUUU= X-CM-SenderInfo: xolxutxrol0iasrtmqqrwthudrp/xtbCwhlTHmqGw5k8ygAA3W From: Baolin Liu Add ntfs3 tracepoints for iomap operations. This adds trace events for ntfs_iomap_begin() and ntfs_iomap_end() to help observe iomap mapping activity. Signed-off-by: Baolin Liu --- fs/ntfs3/inode.c | 4 +++ include/trace/events/ntfs3.h | 50 ++++++++++++++++++++++++++++++++++++ 2 files changed, 54 insertions(+) diff --git a/fs/ntfs3/inode.c b/fs/ntfs3/inode.c index 4c427ed69272..54bf5225fa47 100644 --- a/fs/ntfs3/inode.c +++ b/fs/ntfs3/inode.c @@ -741,6 +741,8 @@ static int ntfs_iomap_begin(struct inode *inode, loff_t offset, loff_t length, bool new_clst = false; bool no_da; bool zero = false; + + trace_ntfs3_iomap_begin(inode, offset, length, flags); if (unlikely(ntfs3_forced_shutdown(sbi->sb))) return -EIO; @@ -879,6 +881,8 @@ static int ntfs_iomap_end(struct inode *inode, loff_t pos, loff_t length, struct ntfs_inode *ni = ntfs_i(inode); loff_t endbyte = pos + written; + trace_ntfs3_iomap_end(inode, pos, length, written, flags); + if ((flags & IOMAP_WRITE) || (flags & IOMAP_ZERO)) { if (iomap->type == IOMAP_INLINE) { u32 data_size; diff --git a/include/trace/events/ntfs3.h b/include/trace/events/ntfs3.h index e39765bc062f..e0c0c44ce318 100644 --- a/include/trace/events/ntfs3.h +++ b/include/trace/events/ntfs3.h @@ -301,6 +301,56 @@ TRACE_EVENT(ntfs3_attr_data_get_block, __entry->zero, __entry->no_da) ); +TRACE_EVENT(ntfs3_iomap_begin, + TP_PROTO(struct inode *inode, loff_t offset, loff_t length, + unsigned int flags), + TP_ARGS(inode, offset, length, flags), + TP_STRUCT__entry( + __field(unsigned long, ino) + __field(loff_t, offset) + __field(loff_t, length) + __field(dev_t, dev) + __field(unsigned int, flags) + ), + TP_fast_assign( + __entry->ino = inode->i_ino; + __entry->offset = offset; + __entry->length = length; + __entry->dev = inode->i_sb->s_dev; + __entry->flags = flags; + ), + TP_printk("dev=(%d,%d) ino=%lu offset=%lld length=%lld flags=0x%x", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->ino, __entry->offset, __entry->length, + __entry->flags) +); + +TRACE_EVENT(ntfs3_iomap_end, + TP_PROTO(struct inode *inode, loff_t pos, loff_t length, + ssize_t written, unsigned int flags), + TP_ARGS(inode, pos, length, written, flags), + TP_STRUCT__entry( + __field(unsigned long, ino) + __field(loff_t, pos) + __field(loff_t, length) + __field(ssize_t, written) + __field(dev_t, dev) + __field(unsigned int, flags) + ), + TP_fast_assign( + __entry->ino = inode->i_ino; + __entry->pos = pos; + __entry->length = length; + __entry->written = written; + __entry->dev = inode->i_sb->s_dev; + __entry->flags = flags; + ), + TP_printk("dev=(%d,%d) ino=%lu pos=%lld length=%lld written=%zd flags=0x%x", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->ino, __entry->pos, __entry->length, + __entry->written, __entry->flags) +); + #endif /* _TRACE_NTFS3_H */ #include -- 2.51.0