blk_add_cgroup_trace_msg   52 include/linux/blktrace_api.h #define blk_add_cgroup_trace_msg(q, cg, fmt, ...)			\
blk_add_cgroup_trace_msg   98 include/linux/blktrace_api.h # define blk_add_cgroup_trace_msg(q, cg, fmt, ...)	do { } while (0)