diff options
| author | Peng Tao <bergwolf@gmail.com> | 2013-06-06 22:59:11 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-06-06 11:31:02 -0700 |
| commit | 4b5b4c7222b8eac2279e604e040561c855bbf0ce (patch) | |
| tree | f4a18807d0fc30bc6c954a7bbc7df60b61da8d7e /drivers/staging/lustre | |
| parent | d29dc2e418a7a4a5a776417dd3574f3e91824088 (diff) | |
staging/lustre/libcfs: restore LINVRNT
It was mistakenly removed by coan. Add it back and also with a new
Kconfig option to enable it.
Signed-off-by: Peng Tao <tao.peng@emc.com>
Signed-off-by: Andreas Dilger <andreas.dilger@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/lustre')
| -rw-r--r-- | drivers/staging/lustre/include/linux/libcfs/libcfs_private.h | 9 | ||||
| -rw-r--r-- | drivers/staging/lustre/lustre/Kconfig | 10 |
2 files changed, 19 insertions, 0 deletions
diff --git a/drivers/staging/lustre/include/linux/libcfs/libcfs_private.h b/drivers/staging/lustre/include/linux/libcfs/libcfs_private.h index c4f59075ed42..056caa467126 100644 --- a/drivers/staging/lustre/include/linux/libcfs/libcfs_private.h +++ b/drivers/staging/lustre/include/linux/libcfs/libcfs_private.h @@ -72,7 +72,16 @@ do { \ #define LASSERT(cond) LASSERTF(cond, "\n") +#ifdef CONFIG_LUSTRE_DEBUG_EXPENSIVE_CHECK +/** + * This is for more expensive checks that one doesn't want to be enabled all + * the time. LINVRNT() has to be explicitly enabled by + * CONFIG_LUSTRE_DEBUG_EXPENSIVE_CHECK option. + */ +# define LINVRNT(exp) LASSERT(exp) +#else # define LINVRNT(exp) ((void)sizeof!!(exp)) +#endif #define KLASSERT(e) LASSERT(e) diff --git a/drivers/staging/lustre/lustre/Kconfig b/drivers/staging/lustre/lustre/Kconfig index d0a0e08afbc7..ab3e126e6125 100644 --- a/drivers/staging/lustre/lustre/Kconfig +++ b/drivers/staging/lustre/lustre/Kconfig @@ -31,3 +31,13 @@ config LUSTRE_OBD_MAX_IOCTL_BUFFER applications can pass to Lustre kernel module through ioctl interface. If unsure, use default. + +config LUSTRE_DEBUG_EXPENSIVE_CHECK + bool "Enable Lustre DEBUG checks" + depends on LUSTRE_FS + default false + help + This option is mainly for debug purpose. It enables Lustre code to do + expensive checks that may have a performance impact. + + Use with caution. If unsure, say N. |