git://bbs.cooldavid.org / net-next-2.6.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 | ||
| dc17ff8f CM |
19 | #ifndef __BTRFS_TRANSACTION__ |
| 20 | #define __BTRFS_TRANSACTION__ | |
| 31f3c99b | 21 | #include "btrfs_inode.h" |
| e089f05c | 22 | |
| 79154b1b CM |
23 | struct btrfs_transaction { |
| 24 | u64 transid; | |
| 25 | unsigned long num_writers; | |
| 15ee9bc7 | 26 | unsigned long num_joined; |
| 79154b1b CM |
27 | int in_commit; |
| 28 | int use_count; | |
| 29 | int commit_done; | |
| 8fd17795 | 30 | struct list_head list; |
| d1310b2e | 31 | struct extent_io_tree dirty_pages; |
| 08607c1b | 32 | unsigned long start_time; |
| 79154b1b CM |
33 | wait_queue_head_t writer_wait; |
| 34 | wait_queue_head_t commit_wait; | |
| 3063d29f | 35 | struct list_head pending_snapshots; |
| 79154b1b CM |
36 | }; |
| 37 | ||
| e089f05c CM |
38 | struct btrfs_trans_handle { |
| 39 | u64 transid; | |
| 40 | unsigned long blocks_reserved; | |
| 41 | unsigned long blocks_used; | |
| 79154b1b | 42 | struct btrfs_transaction *transaction; |
| 31f3c99b | 43 | struct btrfs_block_group_cache *block_group; |
| 26b8003f CM |
44 | u64 alloc_exclude_start; |
| 45 | u64 alloc_exclude_nr; | |
| e089f05c CM |
46 | }; |
| 47 | ||
| 3063d29f CM |
48 | struct btrfs_pending_snapshot { |
| 49 | struct btrfs_root *root; | |
| 50 | char *name; | |
| 51 | struct list_head list; | |
| 52 | }; | |
| 53 | ||
| e089f05c | 54 | |
| 31f3c99b CM |
55 | static inline void btrfs_set_trans_block_group(struct btrfs_trans_handle *trans, |
| 56 | struct inode *inode) | |
| 57 | { | |
| 58 | trans->block_group = BTRFS_I(inode)->block_group; | |
| 59 | } | |
| 60 | ||
| 61 | static inline void btrfs_update_inode_block_group(struct | |
| 62 | btrfs_trans_handle *trans, | |
| 63 | struct inode *inode) | |
| 64 | { | |
| 65 | BTRFS_I(inode)->block_group = trans->block_group; | |
| 66 | } | |
| 67 | ||
| 15ee9bc7 JB |
68 | static inline void btrfs_set_inode_last_trans(struct btrfs_trans_handle *trans, |
| 69 | struct inode *inode) | |
| 70 | { | |
| 71 | BTRFS_I(inode)->last_trans = trans->transaction->transid; | |
| 72 | } | |
| 73 | ||
| 79154b1b CM |
74 | int btrfs_end_transaction(struct btrfs_trans_handle *trans, |
| 75 | struct btrfs_root *root); | |
| 76 | struct btrfs_trans_handle *btrfs_start_transaction(struct btrfs_root *root, | |
| 77 | int num_blocks); | |
| 78 | int btrfs_write_and_wait_transaction(struct btrfs_trans_handle *trans, | |
| 79 | struct btrfs_root *root); | |
| 80 | int btrfs_commit_tree_roots(struct btrfs_trans_handle *trans, | |
| 81 | struct btrfs_root *root); | |
| 08607c1b | 82 | |
| 5ce14bbc CM |
83 | int btrfs_add_dead_root(struct btrfs_root *root, struct btrfs_root *latest, |
| 84 | struct list_head *dead_list); | |
| e9d0b13b CM |
85 | int btrfs_defrag_root(struct btrfs_root *root, int cacheonly); |
| 86 | int btrfs_clean_old_snapshots(struct btrfs_root *root); | |
| 5f39d397 CM |
87 | int btrfs_commit_transaction(struct btrfs_trans_handle *trans, |
| 88 | struct btrfs_root *root); | |
| 89ce8a63 CM |
89 | int btrfs_end_transaction_throttle(struct btrfs_trans_handle *trans, |
| 90 | struct btrfs_root *root); | |
| e089f05c | 91 | #endif |