Chris Mason | 6cbd557 | 2007-06-12 09:07:21 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2007 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 | |
Chris Mason | e089f05 | 2007-03-16 16:20:31 -0400 | [diff] [blame] | 19 | #ifndef __TRANSACTION__ |
| 20 | #define __TRANSACTION__ |
Chris Mason | 31f3c99 | 2007-04-30 15:25:45 -0400 | [diff] [blame] | 21 | #include "btrfs_inode.h" |
Chris Mason | e089f05 | 2007-03-16 16:20:31 -0400 | [diff] [blame] | 22 | |
Chris Mason | 79154b1 | 2007-03-22 15:59:16 -0400 | [diff] [blame] | 23 | struct btrfs_transaction { |
| 24 | u64 transid; |
| 25 | unsigned long num_writers; |
Josef Bacik | 15ee9bc | 2007-08-10 16:22:09 -0400 | [diff] [blame] | 26 | unsigned long num_joined; |
Chris Mason | 79154b1 | 2007-03-22 15:59:16 -0400 | [diff] [blame] | 27 | int in_commit; |
| 28 | int use_count; |
| 29 | int commit_done; |
Chris Mason | 8fd1779 | 2007-04-19 21:01:03 -0400 | [diff] [blame] | 30 | struct list_head list; |
Chris Mason | 5f39d39 | 2007-10-15 16:14:19 -0400 | [diff] [blame] | 31 | struct extent_map_tree dirty_pages; |
Chris Mason | 08607c1 | 2007-06-08 15:33:54 -0400 | [diff] [blame] | 32 | unsigned long start_time; |
Chris Mason | 79154b1 | 2007-03-22 15:59:16 -0400 | [diff] [blame] | 33 | wait_queue_head_t writer_wait; |
| 34 | wait_queue_head_t commit_wait; |
| 35 | }; |
| 36 | |
Chris Mason | e089f05 | 2007-03-16 16:20:31 -0400 | [diff] [blame] | 37 | struct btrfs_trans_handle { |
| 38 | u64 transid; |
| 39 | unsigned long blocks_reserved; |
| 40 | unsigned long blocks_used; |
Chris Mason | 79154b1 | 2007-03-22 15:59:16 -0400 | [diff] [blame] | 41 | struct btrfs_transaction *transaction; |
Chris Mason | 31f3c99 | 2007-04-30 15:25:45 -0400 | [diff] [blame] | 42 | struct btrfs_block_group_cache *block_group; |
Chris Mason | 26b8003 | 2007-08-08 20:17:12 -0400 | [diff] [blame] | 43 | u64 alloc_exclude_start; |
| 44 | u64 alloc_exclude_nr; |
Chris Mason | e089f05 | 2007-03-16 16:20:31 -0400 | [diff] [blame] | 45 | }; |
| 46 | |
Chris Mason | e089f05 | 2007-03-16 16:20:31 -0400 | [diff] [blame] | 47 | |
Chris Mason | 31f3c99 | 2007-04-30 15:25:45 -0400 | [diff] [blame] | 48 | static inline void btrfs_set_trans_block_group(struct btrfs_trans_handle *trans, |
| 49 | struct inode *inode) |
| 50 | { |
| 51 | trans->block_group = BTRFS_I(inode)->block_group; |
| 52 | } |
| 53 | |
| 54 | static inline void btrfs_update_inode_block_group(struct |
| 55 | btrfs_trans_handle *trans, |
| 56 | struct inode *inode) |
| 57 | { |
| 58 | BTRFS_I(inode)->block_group = trans->block_group; |
| 59 | } |
| 60 | |
Josef Bacik | 15ee9bc | 2007-08-10 16:22:09 -0400 | [diff] [blame] | 61 | static inline void btrfs_set_inode_last_trans(struct btrfs_trans_handle *trans, |
| 62 | struct inode *inode) |
| 63 | { |
| 64 | BTRFS_I(inode)->last_trans = trans->transaction->transid; |
| 65 | } |
| 66 | |
Chris Mason | 79154b1 | 2007-03-22 15:59:16 -0400 | [diff] [blame] | 67 | int btrfs_end_transaction(struct btrfs_trans_handle *trans, |
| 68 | struct btrfs_root *root); |
| 69 | struct btrfs_trans_handle *btrfs_start_transaction(struct btrfs_root *root, |
| 70 | int num_blocks); |
| 71 | int btrfs_write_and_wait_transaction(struct btrfs_trans_handle *trans, |
| 72 | struct btrfs_root *root); |
| 73 | int btrfs_commit_tree_roots(struct btrfs_trans_handle *trans, |
| 74 | struct btrfs_root *root); |
Chris Mason | 08607c1 | 2007-06-08 15:33:54 -0400 | [diff] [blame] | 75 | |
Chris Mason | 6da6aba | 2007-12-18 16:15:09 -0500 | [diff] [blame^] | 76 | #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,18) |
| 77 | void btrfs_transaction_cleaner(void *p); |
| 78 | #else |
Chris Mason | 08607c1 | 2007-06-08 15:33:54 -0400 | [diff] [blame] | 79 | void btrfs_transaction_cleaner(struct work_struct *work); |
Chris Mason | 6da6aba | 2007-12-18 16:15:09 -0500 | [diff] [blame^] | 80 | #endif |
| 81 | |
Chris Mason | 08607c1 | 2007-06-08 15:33:54 -0400 | [diff] [blame] | 82 | void btrfs_transaction_flush_work(struct btrfs_root *root); |
| 83 | void btrfs_transaction_queue_work(struct btrfs_root *root, int delay); |
| 84 | void btrfs_init_transaction_sys(void); |
| 85 | void btrfs_exit_transaction_sys(void); |
Chris Mason | 5ce14bb | 2007-09-11 11:15:39 -0400 | [diff] [blame] | 86 | int btrfs_add_dead_root(struct btrfs_root *root, struct btrfs_root *latest, |
| 87 | struct list_head *dead_list); |
Chris Mason | 6702ed4 | 2007-08-07 16:15:09 -0400 | [diff] [blame] | 88 | int btrfs_defrag_dirty_roots(struct btrfs_fs_info *info); |
Chris Mason | e9d0b13 | 2007-08-10 14:06:19 -0400 | [diff] [blame] | 89 | int btrfs_defrag_root(struct btrfs_root *root, int cacheonly); |
| 90 | int btrfs_clean_old_snapshots(struct btrfs_root *root); |
Chris Mason | 5f39d39 | 2007-10-15 16:14:19 -0400 | [diff] [blame] | 91 | int btrfs_commit_transaction(struct btrfs_trans_handle *trans, |
| 92 | struct btrfs_root *root); |
Chris Mason | e089f05 | 2007-03-16 16:20:31 -0400 | [diff] [blame] | 93 | #endif |