BTRFS_DC_SETUP
dcs = BTRFS_DC_SETUP;
dcs = BTRFS_DC_SETUP;
if (!ret && dcs == BTRFS_DC_SETUP)
if (cache->disk_cache_state == BTRFS_DC_SETUP) {
if (!ret && cache->disk_cache_state == BTRFS_DC_SETUP) {
if (block_group->disk_cache_state < BTRFS_DC_SETUP) {