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    Subject[PATCH 02/18] block: Generate blktrace trace points only if blktrace is enabled
    Date
    CC: Jens Axboe <axboe@kernel.dk>
    Signed-off-by: Jan Kara <jack@suse.cz>
    ---
    include/trace/events/block.h | 2 ++
    1 files changed, 2 insertions(+), 0 deletions(-)

    diff --git a/include/trace/events/block.h b/include/trace/events/block.h
    index 5fb7273..6412165 100644
    --- a/include/trace/events/block.h
    +++ b/include/trace/events/block.h
    @@ -1,5 +1,7 @@
    #undef TRACE_SYSTEM
    +#undef TRACE_CONFIG
    #define TRACE_SYSTEM block
    +#define TRACE_CONFIG CONFIG_BLK_DEV_IO_TRACE

    #if !defined(_TRACE_BLOCK_H) || defined(TRACE_HEADER_MULTI_READ)
    #define _TRACE_BLOCK_H
    --
    1.6.4.2


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