[Cluster-devel] [PATCH 10/18] gfs2: Provide config option for enabling trace points

[Steven Whitehouse <swhiteho@redhat.com>]

Hi,

Now in the GFS2 -nmw git tree. Thanks,

Steve.

On Tue, 2010-03-23 at 01:32 +0100, Jan Kara wrote:
> CC: cluster-devel at redhat.com
> Signed-off-by: Jan Kara <jack@suse.cz>
> ---
>  fs/gfs2/Kconfig      |    8 ++++++++
>  fs/gfs2/trace_gfs2.h |    2 ++
>  2 files changed, 10 insertions(+), 0 deletions(-)
> 
> diff --git a/fs/gfs2/Kconfig b/fs/gfs2/Kconfig
> index 4dcddf8..872ced2 100644
> --- a/fs/gfs2/Kconfig
> +++ b/fs/gfs2/Kconfig
> @@ -38,3 +38,11 @@ config GFS2_FS_LOCKING_DLM
>  	  Most users of GFS2 will require this. It provides the locking
>  	  interface between GFS2 and the DLM, which is required to use GFS2
>  	  in a cluster environment.
> +
> +config GFS2_TRACER
> +	bool "GFS2 tracing"
> +	depends on GFS2_FS && EVENT_TRACING
> +	help
> +	  Provide trace points in block allocation functions, locking, and
> +	  journaling code.
> +
> diff --git a/fs/gfs2/trace_gfs2.h b/fs/gfs2/trace_gfs2.h
> index 148d55c..5f4faf3 100644
> --- a/fs/gfs2/trace_gfs2.h
> +++ b/fs/gfs2/trace_gfs2.h
> @@ -1,5 +1,7 @@
>  #undef TRACE_SYSTEM
> +#undef TRACE_CONFIG
>  #define TRACE_SYSTEM gfs2
> +#define TRACE_CONFIG CONFIG_GFS2_TRACER
>  
>  #if !defined(_TRACE_GFS2_H) || defined(TRACE_HEADER_MULTI_READ)
>  #define _TRACE_GFS2_H