From patchwork Thu Nov 14 20:01:47 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Monakhov X-Patchwork-Id: 1195161 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-ext4-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=yandex-team.ru header.i=@yandex-team.ru header.b="0IAYbc0t"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 47DXSf4zSrz9sP3 for ; Fri, 15 Nov 2019 07:02:10 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726597AbfKNUCJ (ORCPT ); Thu, 14 Nov 2019 15:02:09 -0500 Received: from forwardcorp1p.mail.yandex.net ([77.88.29.217]:39892 "EHLO forwardcorp1p.mail.yandex.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726557AbfKNUCJ (ORCPT ); Thu, 14 Nov 2019 15:02:09 -0500 Received: from mxbackcorp1o.mail.yandex.net (mxbackcorp1o.mail.yandex.net [IPv6:2a02:6b8:0:1a2d::301]) by forwardcorp1p.mail.yandex.net (Yandex) with ESMTP id DA7512E1527; Thu, 14 Nov 2019 23:02:06 +0300 (MSK) Received: from vla5-2bf13a090f43.qloud-c.yandex.net (vla5-2bf13a090f43.qloud-c.yandex.net [2a02:6b8:c18:3411:0:640:2bf1:3a09]) by mxbackcorp1o.mail.yandex.net (mxbackcorp/Yandex) with ESMTP id H5yq8WjJCQ-26I8IdAc; Thu, 14 Nov 2019 23:02:06 +0300 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex-team.ru; s=default; t=1573761726; bh=4mIMnRFLTV9Wv97TCaZQLfjHqdrqLsZHtLSW4c2W8rQ=; h=In-Reply-To:Message-Id:References:Date:Subject:To:From:Cc; b=0IAYbc0tw8re7KeDtCskmBdXg9tG17fsM0fiV2xEPuXltItM667IRutwdQdnpWAzZ 4MLczuVlNDAlcCawiip8wR3PDplCmvIe8xAbf8ptIm7uEN6BG0Tfwzotm3zo1POBIj 2xyxvp1sfmVEmNkEb25avQW9GLeJZ4xRgaDZ+ue4= Authentication-Results: mxbackcorp1o.mail.yandex.net; dkim=pass header.i=@yandex-team.ru Received: from 95.108.174.193-red.dhcp.yndx.net (95.108.174.193-red.dhcp.yndx.net [95.108.174.193]) by vla5-2bf13a090f43.qloud-c.yandex.net (smtpcorp/Yandex) with ESMTPSA id oLMREPc4p1-26X01xLg; Thu, 14 Nov 2019 23:02:06 +0300 (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client certificate not present) From: Dmitry Monakhov To: linux-ext4@vger.kernel.org Cc: darrick.wong@oracle.com, tytso@mit.edu, Dmitry Monakhov Subject: [PATCH 2/2] ext4: fix extent_status trace points Date: Thu, 14 Nov 2019 20:01:47 +0000 Message-Id: <20191114200147.1073-2-dmonakhov@gmail.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20191114200147.1073-1-dmonakhov@gmail.com> References: <20191114200147.1073-1-dmonakhov@gmail.com> Sender: linux-ext4-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org Show pblock only if it has meaningful value. # before ext4:ext4_es_lookup_extent_exit: dev 253,0 ino 12 found 1 [1/4294967294) 576460752303423487 H ext4:ext4_es_lookup_extent_exit: dev 253,0 ino 12 found 1 [2/4294967293) 576460752303423487 HR # after ext4:ext4_es_lookup_extent_exit: dev 253,0 ino 12 found 1 [1/4294967294) 0 H ext4:ext4_es_lookup_extent_exit: dev 253,0 ino 12 found 1 [2/4294967293) 0 HR Signed-off-by: Dmitry Monakhov --- fs/ext4/extents_status.h | 6 ++++++ include/trace/events/ext4.h | 8 ++++---- 2 files changed, 10 insertions(+), 4 deletions(-) diff --git a/fs/ext4/extents_status.h b/fs/ext4/extents_status.h index 825313c..4ec30a7 100644 --- a/fs/ext4/extents_status.h +++ b/fs/ext4/extents_status.h @@ -209,6 +209,12 @@ static inline ext4_fsblk_t ext4_es_pblock(struct extent_status *es) return es->es_pblk & ~ES_MASK; } +static inline ext4_fsblk_t ext4_es_show_pblock(struct extent_status *es) +{ + ext4_fsblk_t pblock = ext4_es_pblock(es); + return pblock == ~ES_MASK ? 0 : pblock; +} + static inline void ext4_es_store_pblock(struct extent_status *es, ext4_fsblk_t pb) { diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h index 3bf7128..19c8766 100644 --- a/include/trace/events/ext4.h +++ b/include/trace/events/ext4.h @@ -2282,7 +2282,7 @@ DECLARE_EVENT_CLASS(ext4__es_extent, __entry->ino = inode->i_ino; __entry->lblk = es->es_lblk; __entry->len = es->es_len; - __entry->pblk = ext4_es_pblock(es); + __entry->pblk = ext4_es_show_pblock(es); __entry->status = ext4_es_status(es); ), @@ -2371,7 +2371,7 @@ TRACE_EVENT(ext4_es_find_extent_range_exit, __entry->ino = inode->i_ino; __entry->lblk = es->es_lblk; __entry->len = es->es_len; - __entry->pblk = ext4_es_pblock(es); + __entry->pblk = ext4_es_show_pblock(es); __entry->status = ext4_es_status(es); ), @@ -2425,7 +2425,7 @@ TRACE_EVENT(ext4_es_lookup_extent_exit, __entry->ino = inode->i_ino; __entry->lblk = es->es_lblk; __entry->len = es->es_len; - __entry->pblk = ext4_es_pblock(es); + __entry->pblk = ext4_es_show_pblock(es); __entry->status = ext4_es_status(es); __entry->found = found; ), @@ -2593,7 +2593,7 @@ TRACE_EVENT(ext4_es_insert_delayed_block, __entry->ino = inode->i_ino; __entry->lblk = es->es_lblk; __entry->len = es->es_len; - __entry->pblk = ext4_es_pblock(es); + __entry->pblk = ext4_es_show_pblock(es); __entry->status = ext4_es_status(es); __entry->allocated = allocated; ),