| Chris Mason | fa9c0d7 | 2009-04-03 09:47:43 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2009 Oracle. All rights reserved. |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public |
| 6 | * License v2 as published by the Free Software Foundation. |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 11 | * General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public |
| 14 | * License along with this program; if not, write to the |
| 15 | * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| 16 | * Boston, MA 021110-1307, USA. |
| 17 | */ |
| 18 | |
| 19 | #ifndef __BTRFS_FREE_SPACE_CACHE |
| 20 | #define __BTRFS_FREE_SPACE_CACHE |
| 21 | |
| 22 | int btrfs_add_free_space(struct btrfs_block_group_cache *block_group, |
| 23 | u64 bytenr, u64 size); |
| 24 | int btrfs_remove_free_space(struct btrfs_block_group_cache *block_group, |
| 25 | u64 bytenr, u64 size); |
| 26 | void btrfs_remove_free_space_cache(struct btrfs_block_group_cache |
| 27 | *block_group); |
| 28 | u64 btrfs_find_space_for_alloc(struct btrfs_block_group_cache *block_group, |
| 29 | u64 offset, u64 bytes, u64 empty_size); |
| 30 | void btrfs_dump_free_space(struct btrfs_block_group_cache *block_group, |
| 31 | u64 bytes); |
| 32 | u64 btrfs_block_group_free_space(struct btrfs_block_group_cache *block_group); |
| 33 | int btrfs_find_space_cluster(struct btrfs_trans_handle *trans, |
| 34 | struct btrfs_block_group_cache *block_group, |
| 35 | struct btrfs_free_cluster *cluster, |
| 36 | u64 offset, u64 bytes, u64 empty_size); |
| 37 | void btrfs_init_free_cluster(struct btrfs_free_cluster *cluster); |
| 38 | u64 btrfs_alloc_from_cluster(struct btrfs_block_group_cache *block_group, |
| 39 | struct btrfs_free_cluster *cluster, u64 bytes, |
| 40 | u64 min_start); |
| 41 | int btrfs_return_cluster_to_free_space( |
| 42 | struct btrfs_block_group_cache *block_group, |
| 43 | struct btrfs_free_cluster *cluster); |
| 44 | #endif |