cache_flush_operations_pipefs  167 include/linux/sunrpc/cache.h extern const struct file_operations cache_flush_operations_pipefs;
cache_flush_operations_pipefs 1856 net/sunrpc/cache.c const struct file_operations cache_flush_operations_pipefs = {
cache_flush_operations_pipefs 1091 net/sunrpc/rpc_pipe.c 		.i_fop = &cache_flush_operations_pipefs,