block/blk-cgroup.c

53

struct cgroup_subsys_state * const blkcg_root_css = &blkcg_root.css;

block/blk-cgroup.c

54

EXPORT_SYMBOL_GPL(blkcg_root_css);

drivers/block/loop.c

783

return !css || css == blkcg_root_css;

fs/btrfs/inode.c

1628

if (blkcg_css != blkcg_root_css) {

include/linux/blk-cgroup.h

26

extern struct cgroup_subsys_state * const blkcg_root_css;

include/linux/writeback.h

107

((wbc)->wb ? (wbc)->wb->blkcg_css : blkcg_root_css)

include/linux/writeback.h

109

#define wbc_blkcg_css(wbc) (blkcg_root_css)

mm/backing-dev.c

845

bdi->wb.blkcg_css = blkcg_root_css;