git://bbs.cooldavid.org / net-next-2.6.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 |