Symbol: REQ_BACKGROUND
block/blk-wbt.c
554
else if ((opf & REQ_BACKGROUND) || close_io(rwb)) {
drivers/md/bcache/request.c
405
if ((bio->bi_opf & (REQ_RAHEAD|REQ_BACKGROUND))) {
include/linux/writeback.h
100
flags |= REQ_BACKGROUND;