diff options
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. |