To avoid 64->32 truncating WARNING, update btrfs's tracepoints.
Signed-off-by: NLiu Bo <liubo2009@cn.fujitsu.com>
Link: http://lkml.kernel.org/r/4DACE6E3.8080200@cn.fujitsu.comSigned-off-by: NSteven Rostedt <rostedt@goodmis.org>