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 | eb60cea | 2007-02-02 09:18:22 -0500 | [diff] [blame] | 19 | #ifndef __DISKIO__ |
| 20 | #define __DISKIO__ |
| 21 | |
Chris Mason | 123abc8 | 2007-03-14 14:14:43 -0400 | [diff] [blame] | 22 | #define BTRFS_SUPER_INFO_OFFSET (16 * 1024) |
Chris Mason | f298446 | 2008-04-10 16:19:33 -0400 | [diff] [blame] | 23 | #define BTRFS_SUPER_INFO_SIZE 4096 |
Chris Mason | 0b86a83 | 2008-03-24 15:01:56 -0400 | [diff] [blame] | 24 | struct btrfs_device; |
Chris Mason | 8a4b83c | 2008-03-24 15:02:07 -0400 | [diff] [blame] | 25 | struct btrfs_fs_devices; |
Chris Mason | eb60cea | 2007-02-02 09:18:22 -0500 | [diff] [blame] | 26 | |
Chris Mason | db94535 | 2007-10-15 16:15:53 -0400 | [diff] [blame] | 27 | struct extent_buffer *read_tree_block(struct btrfs_root *root, u64 bytenr, |
Chris Mason | ca7a79a | 2008-05-12 12:59:19 -0400 | [diff] [blame] | 28 | u32 blocksize, u64 parent_transid); |
| 29 | int readahead_tree_block(struct btrfs_root *root, u64 bytenr, u32 blocksize, |
| 30 | u64 parent_transid); |
Chris Mason | 5f39d39 | 2007-10-15 16:14:19 -0400 | [diff] [blame] | 31 | struct extent_buffer *btrfs_find_create_tree_block(struct btrfs_root *root, |
Chris Mason | db94535 | 2007-10-15 16:15:53 -0400 | [diff] [blame] | 32 | u64 bytenr, u32 blocksize); |
Chris Mason | e20d96d | 2007-03-22 12:13:20 -0400 | [diff] [blame] | 33 | int clean_tree_block(struct btrfs_trans_handle *trans, |
Chris Mason | 5f39d39 | 2007-10-15 16:14:19 -0400 | [diff] [blame] | 34 | struct btrfs_root *root, struct extent_buffer *buf); |
Chris Mason | 8a4b83c | 2008-03-24 15:02:07 -0400 | [diff] [blame] | 35 | struct btrfs_root *open_ctree(struct super_block *sb, |
| 36 | struct btrfs_fs_devices *fs_devices); |
Chris Mason | e20d96d | 2007-03-22 12:13:20 -0400 | [diff] [blame] | 37 | int close_ctree(struct btrfs_root *root); |
Chris Mason | 79154b1 | 2007-03-22 15:59:16 -0400 | [diff] [blame] | 38 | int write_ctree_super(struct btrfs_trans_handle *trans, |
| 39 | struct btrfs_root *root); |
Chris Mason | 5f39d39 | 2007-10-15 16:14:19 -0400 | [diff] [blame] | 40 | struct extent_buffer *btrfs_find_tree_block(struct btrfs_root *root, |
Chris Mason | db94535 | 2007-10-15 16:15:53 -0400 | [diff] [blame] | 41 | u64 bytenr, u32 blocksize); |
Chris Mason | dc17ff8 | 2008-01-08 15:46:30 -0500 | [diff] [blame] | 42 | struct btrfs_root *btrfs_lookup_fs_root(struct btrfs_fs_info *fs_info, |
| 43 | u64 root_objectid); |
Chris Mason | 0f7d52f | 2007-04-09 10:42:37 -0400 | [diff] [blame] | 44 | struct btrfs_root *btrfs_read_fs_root(struct btrfs_fs_info *fs_info, |
Josef Bacik | 58176a9 | 2007-08-29 15:47:34 -0400 | [diff] [blame] | 45 | struct btrfs_key *location, |
| 46 | const char *name, int namelen); |
Chris Mason | 5eda7b5 | 2007-06-22 14:16:25 -0400 | [diff] [blame] | 47 | struct btrfs_root *btrfs_read_fs_root_no_radix(struct btrfs_fs_info *fs_info, |
| 48 | struct btrfs_key *location); |
Chris Mason | edbd8d4 | 2007-12-21 16:27:24 -0500 | [diff] [blame] | 49 | struct btrfs_root *btrfs_read_fs_root_no_name(struct btrfs_fs_info *fs_info, |
| 50 | struct btrfs_key *location); |
Chris Mason | 8352d8a | 2007-04-12 10:43:05 -0400 | [diff] [blame] | 51 | int btrfs_insert_dev_radix(struct btrfs_root *root, |
| 52 | struct block_device *bdev, |
Chris Mason | b4100d6 | 2007-04-12 12:14:00 -0400 | [diff] [blame] | 53 | u64 device_id, |
Chris Mason | 8352d8a | 2007-04-12 10:43:05 -0400 | [diff] [blame] | 54 | u64 block_start, |
| 55 | u64 num_blocks); |
Chris Mason | d3c2fdcf | 2007-09-17 10:58:06 -0400 | [diff] [blame] | 56 | void btrfs_btree_balance_dirty(struct btrfs_root *root, unsigned long nr); |
Chris Mason | 5eda7b5 | 2007-06-22 14:16:25 -0400 | [diff] [blame] | 57 | int btrfs_free_fs_root(struct btrfs_fs_info *fs_info, struct btrfs_root *root); |
Chris Mason | 5f39d39 | 2007-10-15 16:14:19 -0400 | [diff] [blame] | 58 | void btrfs_mark_buffer_dirty(struct extent_buffer *buf); |
Chris Mason | 1259ab7 | 2008-05-12 13:39:03 -0400 | [diff] [blame^] | 59 | int btrfs_buffer_uptodate(struct extent_buffer *buf, u64 parent_transid); |
Chris Mason | 5f39d39 | 2007-10-15 16:14:19 -0400 | [diff] [blame] | 60 | int btrfs_set_buffer_uptodate(struct extent_buffer *buf); |
| 61 | int wait_on_tree_block_writeback(struct btrfs_root *root, |
| 62 | struct extent_buffer *buf); |
Chris Mason | 6b80053 | 2007-10-15 16:17:34 -0400 | [diff] [blame] | 63 | void btrfs_set_buffer_defrag(struct extent_buffer *buf); |
| 64 | void btrfs_set_buffer_defrag_done(struct extent_buffer *buf); |
| 65 | int btrfs_buffer_defrag(struct extent_buffer *buf); |
| 66 | int btrfs_buffer_defrag_done(struct extent_buffer *buf); |
| 67 | int btrfs_clear_buffer_defrag(struct extent_buffer *buf); |
| 68 | int btrfs_clear_buffer_defrag_done(struct extent_buffer *buf); |
Chris Mason | ca7a79a | 2008-05-12 12:59:19 -0400 | [diff] [blame] | 69 | int btrfs_read_buffer(struct extent_buffer *buf, u64 parent_transid); |
Chris Mason | ff79f81 | 2007-10-15 16:22:25 -0400 | [diff] [blame] | 70 | u32 btrfs_csum_data(struct btrfs_root *root, char *data, u32 seed, size_t len); |
| 71 | void btrfs_csum_final(u32 crc, char *result); |
Chris Mason | e2008b6 | 2008-01-08 15:46:30 -0500 | [diff] [blame] | 72 | void btrfs_throttle(struct btrfs_root *root); |
Chris Mason | 0b86a83 | 2008-03-24 15:01:56 -0400 | [diff] [blame] | 73 | int btrfs_open_device(struct btrfs_device *dev); |
Chris Mason | 0999df5 | 2008-04-01 13:48:14 -0400 | [diff] [blame] | 74 | int btrfs_verify_block_csum(struct btrfs_root *root, |
| 75 | struct extent_buffer *buf); |
Chris Mason | 22c5994 | 2008-04-09 16:28:12 -0400 | [diff] [blame] | 76 | int btrfs_bio_wq_end_io(struct btrfs_fs_info *info, struct bio *bio, |
| 77 | int metadata); |
Chris Mason | 44b8bd7 | 2008-04-16 11:14:51 -0400 | [diff] [blame] | 78 | int btrfs_wq_submit_bio(struct btrfs_fs_info *fs_info, struct inode *inode, |
| 79 | int rw, struct bio *bio, int mirror_num, |
| 80 | extent_submit_bio_hook_t *submit_bio_hook); |
Chris Mason | eb60cea | 2007-02-02 09:18:22 -0500 | [diff] [blame] | 81 | #endif |