pipefs 117 include/linux/sunrpc/cache.h struct dentry *pipefs; pipefs 1871 net/sunrpc/cache.c cd->pipefs = dir; pipefs 1878 net/sunrpc/cache.c if (cd->pipefs) { pipefs 1879 net/sunrpc/cache.c rpc_remove_cache_dir(cd->pipefs); pipefs 1880 net/sunrpc/cache.c cd->pipefs = NULL;