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UBIFS: simplify UBIFS Kconfig menu

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Remove debug message level and debug checks Kconfig options as they
proved to be useless anyway. We have sysfs interface which we can
use for fine-grained debugging messages and checks selection, see
Documentation/filesystems/ubifs.txt for mode details.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
This commit is contained in:
Artem Bityutskiy 2011-03-09 13:36:23 +02:00
parent 6342aaebda
commit cce3f612fe
3 changed files with 12 additions and 37 deletions
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23
fs/ubifs/Kconfig
View File

@ -44,23 +44,20 @@ config UBIFS_FS_ZLIB
# Debugging-related stuff
config UBIFS_FS_DEBUG
bool "Enable debugging"
bool "Enable debugging support"
depends on UBIFS_FS
select DEBUG_FS
select KALLSYMS_ALL
help
This option enables UBIFS debugging.
config UBIFS_FS_DEBUG_MSG_LVL
int "Default message level (0 = no extra messages, 3 = lots)"
depends on UBIFS_FS_DEBUG
default "0"
help
This controls the amount of debugging messages produced by UBIFS.
If reporting bugs, please try to have available a full dump of the
messages at level 1 while the misbehaviour was occurring. Level 2
may become necessary if level 1 messages were not enough to find the
bug. Generally Level 3 should be avoided.
This option enables UBIFS debugging support. It makes sure various
assertions, self-checks, debugging messages and test modes are compiled
in (this all is compiled out otherwise). Assertions are light-weight
and this option also enables them. Self-checks, debugging messages and
test modes are switched off by default. Thus, it is safe and actually
recommended to have debugging support enabled, and it should not slow
down UBIFS. You can then further enable / disable individual debugging
features using UBIFS module parameters and the corresponding sysfs
interfaces.
config UBIFS_FS_DEBUG_CHKS
bool "Enable extra checks"

4
fs/ubifs/debug.c
View File

@ -43,8 +43,8 @@ DEFINE_SPINLOCK(dbg_lock);
static char dbg_key_buf0[128];
static char dbg_key_buf1[128];
unsigned int ubifs_msg_flags = UBIFS_MSG_FLAGS_DEFAULT;
unsigned int ubifs_chk_flags = UBIFS_CHK_FLAGS_DEFAULT;
unsigned int ubifs_msg_flags;
unsigned int ubifs_chk_flags;
unsigned int ubifs_tst_flags;
module_param_named(debug_msgs, ubifs_msg_flags, uint, S_IRUGO | S_IWUSR);

22
fs/ubifs/debug.h
View File

@ -205,12 +205,6 @@ enum {
UBIFS_MSG_RCVRY = 0x1000,
};
/* Debugging message type flags for each default debug message level */
#define UBIFS_MSG_LVL_0 0
#define UBIFS_MSG_LVL_1 0x1
#define UBIFS_MSG_LVL_2 0x7f
#define UBIFS_MSG_LVL_3 0xffff
/*
* Debugging check flags (must match chk_names in debug.c).
*
@ -243,22 +237,6 @@ enum {
UBIFS_TST_RCVRY = 0x4,
};
#if CONFIG_UBIFS_FS_DEBUG_MSG_LVL == 1
#define UBIFS_MSG_FLAGS_DEFAULT UBIFS_MSG_LVL_1
#elif CONFIG_UBIFS_FS_DEBUG_MSG_LVL == 2
#define UBIFS_MSG_FLAGS_DEFAULT UBIFS_MSG_LVL_2
#elif CONFIG_UBIFS_FS_DEBUG_MSG_LVL == 3
#define UBIFS_MSG_FLAGS_DEFAULT UBIFS_MSG_LVL_3
#else
#define UBIFS_MSG_FLAGS_DEFAULT UBIFS_MSG_LVL_0
#endif
#ifdef CONFIG_UBIFS_FS_DEBUG_CHKS
#define UBIFS_CHK_FLAGS_DEFAULT 0xffffffff
#else
#define UBIFS_CHK_FLAGS_DEFAULT 0
#endif
extern spinlock_t dbg_lock;
extern unsigned int ubifs_msg_flags;