ifdebug            57 include/linux/sunrpc/debug.h # define dfprintk(fac, args...)	do { ifdebug(fac) printk(args); } while(0)
ifdebug          1229 net/sunrpc/cache.c 	ifdebug(CACHE)
ifdebug           567 net/sunrpc/xprtrdma/rpc_rdma.c 		ifdebug(FACILITY) {