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)