| Chris Mason | 925baed | 2008-06-25 16:01:30 -0400 | [diff] [blame] | 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); | 
| Chris Mason | b4ce94d | 2009-02-04 09:25:08 -0500 | [diff] [blame] | 24 |  | 
| Chris Mason | 925baed | 2008-06-25 16:01:30 -0400 | [diff] [blame] | 25 | int btrfs_try_tree_lock(struct extent_buffer *eb); | 
| Chris Mason | b4ce94d | 2009-02-04 09:25:08 -0500 | [diff] [blame] | 26 | int btrfs_try_spin_lock(struct extent_buffer *eb); | 
 | 27 |  | 
| Chris Mason | b4ce94d | 2009-02-04 09:25:08 -0500 | [diff] [blame] | 28 | void btrfs_set_lock_blocking(struct extent_buffer *eb); | 
 | 29 | void btrfs_clear_lock_blocking(struct extent_buffer *eb); | 
| Chris Mason | b9447ef | 2009-03-09 11:45:38 -0400 | [diff] [blame] | 30 | void btrfs_assert_tree_locked(struct extent_buffer *eb); | 
| Chris Mason | 925baed | 2008-06-25 16:01:30 -0400 | [diff] [blame] | 31 | #endif |