From: Vyacheslav Dubeyko <slava@xxxxxxxxxxx> 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 <slava@xxxxxxxxxxx> CC: Ryusuke Konishi <konishi.ryusuke@xxxxxxxxxxxxx> --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-nilfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
