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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, | |
451d7585 | 34 | struct btrfs_root *root, |
fa9c0d79 CM |
35 | struct btrfs_block_group_cache *block_group, |
36 | struct btrfs_free_cluster *cluster, | |
37 | u64 offset, u64 bytes, u64 empty_size); | |
38 | void btrfs_init_free_cluster(struct btrfs_free_cluster *cluster); | |
39 | u64 btrfs_alloc_from_cluster(struct btrfs_block_group_cache *block_group, | |
40 | struct btrfs_free_cluster *cluster, u64 bytes, | |
41 | u64 min_start); | |
42 | int btrfs_return_cluster_to_free_space( | |
43 | struct btrfs_block_group_cache *block_group, | |
44 | struct btrfs_free_cluster *cluster); | |
45 | #endif |