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6cbd5570 CM |
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 | ||
e089f05c CM |
19 | #ifndef __TRANSACTION__ |
20 | #define __TRANSACTION__ | |
31f3c99b | 21 | #include "btrfs_inode.h" |
e089f05c | 22 | |
79154b1b CM |
23 | struct btrfs_transaction { |
24 | u64 transid; | |
25 | unsigned long num_writers; | |
26 | int in_commit; | |
27 | int use_count; | |
28 | int commit_done; | |
8fd17795 | 29 | struct list_head list; |
7c4452b9 | 30 | struct radix_tree_root dirty_pages; |
08607c1b | 31 | unsigned long start_time; |
79154b1b CM |
32 | wait_queue_head_t writer_wait; |
33 | wait_queue_head_t commit_wait; | |
34 | }; | |
35 | ||
e089f05c CM |
36 | struct btrfs_trans_handle { |
37 | u64 transid; | |
38 | unsigned long blocks_reserved; | |
39 | unsigned long blocks_used; | |
79154b1b | 40 | struct btrfs_transaction *transaction; |
31f3c99b | 41 | struct btrfs_block_group_cache *block_group; |
e089f05c CM |
42 | }; |
43 | ||
e089f05c | 44 | |
31f3c99b CM |
45 | static inline void btrfs_set_trans_block_group(struct btrfs_trans_handle *trans, |
46 | struct inode *inode) | |
47 | { | |
48 | trans->block_group = BTRFS_I(inode)->block_group; | |
49 | } | |
50 | ||
51 | static inline void btrfs_update_inode_block_group(struct | |
52 | btrfs_trans_handle *trans, | |
53 | struct inode *inode) | |
54 | { | |
55 | BTRFS_I(inode)->block_group = trans->block_group; | |
56 | } | |
57 | ||
79154b1b CM |
58 | int btrfs_end_transaction(struct btrfs_trans_handle *trans, |
59 | struct btrfs_root *root); | |
60 | struct btrfs_trans_handle *btrfs_start_transaction(struct btrfs_root *root, | |
61 | int num_blocks); | |
62 | int btrfs_write_and_wait_transaction(struct btrfs_trans_handle *trans, | |
63 | struct btrfs_root *root); | |
64 | int btrfs_commit_tree_roots(struct btrfs_trans_handle *trans, | |
65 | struct btrfs_root *root); | |
08607c1b CM |
66 | |
67 | void btrfs_transaction_cleaner(struct work_struct *work); | |
68 | void btrfs_transaction_flush_work(struct btrfs_root *root); | |
69 | void btrfs_transaction_queue_work(struct btrfs_root *root, int delay); | |
70 | void btrfs_init_transaction_sys(void); | |
71 | void btrfs_exit_transaction_sys(void); | |
72 | ||
e089f05c | 73 | #endif |