Lines Matching refs:ctl
638 struct btrfs_free_space_ctl *ctl;
648 ctl = block_group->free_space_ctl;
651 lockdep_assert_held(&ctl->tree_lock);
652 extents_delta = ctl->discardable_extents[BTRFS_STAT_CURR] -
653 ctl->discardable_extents[BTRFS_STAT_PREV];
656 ctl->discardable_extents[BTRFS_STAT_PREV] =
657 ctl->discardable_extents[BTRFS_STAT_CURR];
660 bytes_delta = ctl->discardable_bytes[BTRFS_STAT_CURR] -
661 ctl->discardable_bytes[BTRFS_STAT_PREV];
664 ctl->discardable_bytes[BTRFS_STAT_PREV] =
665 ctl->discardable_bytes[BTRFS_STAT_CURR];