| /* |
| * Copyright (C) 2009 Oracle. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public |
| * License v2 as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public |
| * License along with this program; if not, write to the |
| * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| * Boston, MA 021110-1307, USA. |
| */ |
| |
| #ifndef __BTRFS_FREE_SPACE_CACHE |
| #define __BTRFS_FREE_SPACE_CACHE |
| |
| int btrfs_add_free_space(struct btrfs_block_group_cache *block_group, |
| u64 bytenr, u64 size); |
| int btrfs_remove_free_space(struct btrfs_block_group_cache *block_group, |
| u64 bytenr, u64 size); |
| void btrfs_remove_free_space_cache(struct btrfs_block_group_cache |
| *block_group); |
| u64 btrfs_find_space_for_alloc(struct btrfs_block_group_cache *block_group, |
| u64 offset, u64 bytes, u64 empty_size); |
| void btrfs_dump_free_space(struct btrfs_block_group_cache *block_group, |
| u64 bytes); |
| u64 btrfs_block_group_free_space(struct btrfs_block_group_cache *block_group); |
| int btrfs_find_space_cluster(struct btrfs_trans_handle *trans, |
| struct btrfs_root *root, |
| struct btrfs_block_group_cache *block_group, |
| struct btrfs_free_cluster *cluster, |
| u64 offset, u64 bytes, u64 empty_size); |
| void btrfs_init_free_cluster(struct btrfs_free_cluster *cluster); |
| u64 btrfs_alloc_from_cluster(struct btrfs_block_group_cache *block_group, |
| struct btrfs_free_cluster *cluster, u64 bytes, |
| u64 min_start); |
| int btrfs_return_cluster_to_free_space( |
| struct btrfs_block_group_cache *block_group, |
| struct btrfs_free_cluster *cluster); |
| #endif |