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925baedd CM |
1 | /* |
2 | * Copyright (C) 2008 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_LOCKING_ | |
20 | #define __BTRFS_LOCKING_ | |
21 | ||
22 | int btrfs_tree_lock(struct extent_buffer *eb); | |
23 | int btrfs_tree_unlock(struct extent_buffer *eb); | |
b4ce94de | 24 | |
925baedd | 25 | int btrfs_try_tree_lock(struct extent_buffer *eb); |
b4ce94de CM |
26 | int btrfs_try_spin_lock(struct extent_buffer *eb); |
27 | ||
b4ce94de CM |
28 | void btrfs_set_lock_blocking(struct extent_buffer *eb); |
29 | void btrfs_clear_lock_blocking(struct extent_buffer *eb); | |
b9447ef8 | 30 | void btrfs_assert_tree_locked(struct extent_buffer *eb); |
925baedd | 31 | #endif |