REQ_BACKGROUND    482 block/blk-wbt.c 	else if ((rw & REQ_BACKGROUND) || close_io(rwb)) {
REQ_BACKGROUND    403 drivers/md/bcache/request.c 	if ((bio->bi_opf & (REQ_RAHEAD|REQ_BACKGROUND))) {
REQ_BACKGROUND    107 include/linux/writeback.h 		flags |= REQ_BACKGROUND;