bdi_set_max_ratio  512 fs/fuse/inode.c 		bdi_set_max_ratio(&fc->bdi, 1);
bdi_set_max_ratio  153 include/linux/backing-dev.h int bdi_set_max_ratio(struct backing_dev_info *bdi, unsigned int max_ratio);
bdi_set_max_ratio  145 mm/backing-dev.c 		ret = bdi_set_max_ratio(bdi, ratio);