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authorShaohua Li <[email protected]>2011-01-07 08:48:28 +0100
committerJens Axboe <[email protected]>2011-01-07 08:48:28 +0100
commit329a67815b596d23daf0caa588ae0800e925320f (patch)
tree5fcf8a7c4a4d43b2cc7dc220d6bb25bdf27d153f /tools/perf/util/scripting-engines/trace-event-python.c
parent30d7b9448f03f2c82d0fd44738674cc156a8ce0a (diff)
block cfq: don't use atomic_t for cfq_group
cfq_group->ref is used with queue_lock hold, the only exception is cfq_set_request, which looks like a bug to me, so ref doesn't need to be an atomic and atomic operation is slower. Signed-off-by: Shaohua Li <[email protected]> Reviewed-by: Jeff Moyer <[email protected]> Acked-by: Vivek Goyal <[email protected]> Signed-off-by: Jens Axboe <[email protected]>
Diffstat (limited to 'tools/perf/util/scripting-engines/trace-event-python.c')
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