From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vyacheslav Dubeyko Subject: [PATCH 14/24] nilfs2: introduce buffer management subsystem debugging output option Date: Mon, 17 Jun 2013 16:24:55 +0400 Message-ID: <1371471895.2075.145.camel@slavad-ubuntu> Reply-To: slava@dubeyko.com Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: Ryusuke Konishi , Linux FS Devel To: linux-nilfs@vger.kernel.org Return-path: Received: from oproxy14-pub.unifiedlayer.com ([67.222.51.224]:39254 "HELO oproxy14-pub.unifiedlayer.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S932727Ab3FQM3P (ORCPT ); Mon, 17 Jun 2013 08:29:15 -0400 Sender: linux-fsdevel-owner@vger.kernel.org List-ID: From: Vyacheslav Dubeyko Subject: [PATCH 14/24] nilfs2: introduce buffer management subsystem debugging output option This patch adds subsystem's flags for page.c module. Flags for these modules are grouped by CONFIG_NILFS2_DEBUG_BUFFER_MANAGEMENT kernel configuration option. This kernel configuration option enables (or disables) debugging output from of all above-mentioned modules. Signed-off-by: Vyacheslav Dubeyko CC: Ryusuke Konishi --- fs/nilfs2/Kconfig | 6 ++++++ fs/nilfs2/debug.h | 10 ++++++++++ 2 files changed, 16 insertions(+) diff --git a/fs/nilfs2/Kconfig b/fs/nilfs2/Kconfig index b40fd85..d6299c6 100644 --- a/fs/nilfs2/Kconfig +++ b/fs/nilfs2/Kconfig @@ -86,6 +86,12 @@ config NILFS2_DEBUG_BLOCK_MAPPING This option enables debugging output in alloc.c, bmap.c, btnode.c, btree.c, direct.c modules. +config NILFS2_DEBUG_BUFFER_MANAGEMENT + bool "Enable buffer/page management subsystem debugging output" + default n + help + This option enables debugging output in page.c module. + endif # NILFS2_DEBUG_SUBSYSTEMS endif # NILFS2_DEBUG diff --git a/fs/nilfs2/debug.h b/fs/nilfs2/debug.h index ee712d4..517c5e8 100644 --- a/fs/nilfs2/debug.h +++ b/fs/nilfs2/debug.h @@ -82,6 +82,13 @@ #define DBG_BTREE 0x00100000 #define DBG_DIRECT 0x00200000 +/* + * These flags enable debugging output in modules that + * implement buffer management subsystem functionality + * (page.c). + */ +#define DBG_PAGE 0x00400000 + #ifdef CONFIG_NILFS2_DEBUG /* Definition of flags' set for debugging */ @@ -107,6 +114,9 @@ static u32 DBG_MASK = ( DBG_ALLOC | DBG_BMAP | DBG_BTNODE | DBG_BTREE | DBG_DIRECT | #endif /* CONFIG_NILFS2_DEBUG_BLOCK_MAPPING */ +#ifdef CONFIG_NILFS2_DEBUG_BUFFER_MANAGEMENT + DBG_PAGE | +#endif /* CONFIG_NILFS2_DEBUG_BUFFER_MANAGEMENT */ 0); #define NILFS2_SUBSYS_MASK 0x0FFFFFFF -- 1.7.9.5