projects / deliverable / linux.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 | ||
| eb60ceac CM |
19 | #ifndef __DISKIO__ |
| 20 | #define __DISKIO__ | |
| 21 | ||
| e20d96d6 CM |
22 | #define BTRFS_SUPER_INFO_OFFSET (16 * 1024) |
| 23 | ||
| db94535d CM |
24 | struct extent_buffer *read_tree_block(struct btrfs_root *root, u64 bytenr, |
| 25 | u32 blocksize); | |
| 26 | int readahead_tree_block(struct btrfs_root *root, u64 bytenr, u32 blocksize); | |
| 5f39d397 | 27 | struct extent_buffer *btrfs_find_create_tree_block(struct btrfs_root *root, |
| db94535d | 28 | u64 bytenr, u32 blocksize); |
| e089f05c | 29 | int clean_tree_block(struct btrfs_trans_handle *trans, |
| 5f39d397 | 30 | struct btrfs_root *root, struct extent_buffer *buf); |
| 2c90e5d6 | 31 | struct btrfs_root *open_ctree(struct super_block *sb); |
| e20d96d6 | 32 | int close_ctree(struct btrfs_root *root); |
| 79154b1b CM |
33 | int write_ctree_super(struct btrfs_trans_handle *trans, |
| 34 | struct btrfs_root *root); | |
| 5f39d397 | 35 | struct extent_buffer *btrfs_find_tree_block(struct btrfs_root *root, |
| db94535d | 36 | u64 bytenr, u32 blocksize); |
| dc17ff8f CM |
37 | struct btrfs_root *btrfs_lookup_fs_root(struct btrfs_fs_info *fs_info, |
| 38 | u64 root_objectid); | |
| 0f7d52f4 | 39 | struct btrfs_root *btrfs_read_fs_root(struct btrfs_fs_info *fs_info, |
| 58176a96 JB |
40 | struct btrfs_key *location, |
| 41 | const char *name, int namelen); | |
| 5eda7b5e CM |
42 | struct btrfs_root *btrfs_read_fs_root_no_radix(struct btrfs_fs_info *fs_info, |
| 43 | struct btrfs_key *location); | |
| edbd8d4e CM |
44 | struct btrfs_root *btrfs_read_fs_root_no_name(struct btrfs_fs_info *fs_info, |
| 45 | struct btrfs_key *location); | |
| 8352d8a4 CM |
46 | int btrfs_insert_dev_radix(struct btrfs_root *root, |
| 47 | struct block_device *bdev, | |
| b4100d64 | 48 | u64 device_id, |
| 8352d8a4 CM |
49 | u64 block_start, |
| 50 | u64 num_blocks); | |
| d3c2fdcf | 51 | void btrfs_btree_balance_dirty(struct btrfs_root *root, unsigned long nr); |
| 5eda7b5e | 52 | int btrfs_free_fs_root(struct btrfs_fs_info *fs_info, struct btrfs_root *root); |
| 5f39d397 CM |
53 | void btrfs_mark_buffer_dirty(struct extent_buffer *buf); |
| 54 | int btrfs_buffer_uptodate(struct extent_buffer *buf); | |
| 55 | int btrfs_set_buffer_uptodate(struct extent_buffer *buf); | |
| 56 | int wait_on_tree_block_writeback(struct btrfs_root *root, | |
| 57 | struct extent_buffer *buf); | |
| 6b80053d CM |
58 | void btrfs_set_buffer_defrag(struct extent_buffer *buf); |
| 59 | void btrfs_set_buffer_defrag_done(struct extent_buffer *buf); | |
| 60 | int btrfs_buffer_defrag(struct extent_buffer *buf); | |
| 61 | int btrfs_buffer_defrag_done(struct extent_buffer *buf); | |
| 62 | int btrfs_clear_buffer_defrag(struct extent_buffer *buf); | |
| 63 | int btrfs_clear_buffer_defrag_done(struct extent_buffer *buf); | |
| 64 | int btrfs_read_buffer(struct extent_buffer *buf); | |
| ff79f819 CM |
65 | u32 btrfs_csum_data(struct btrfs_root *root, char *data, u32 seed, size_t len); |
| 66 | void btrfs_csum_final(u32 crc, char *result); | |
| e2008b61 | 67 | void btrfs_throttle(struct btrfs_root *root); |
| eb60ceac | 68 | #endif |