total_free_space 3464 fs/btrfs/extent-tree.c u64 total_free_space; total_free_space 3607 fs/btrfs/extent-tree.c ffe_ctl->total_free_space = max_t(u64, total_free_space 3608 fs/btrfs/extent-tree.c ffe_ctl->total_free_space, total_free_space 4050 fs/btrfs/extent-tree.c ffe_ctl.max_extent_size = ffe_ctl.total_free_space;