projects / thirdparty / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 565a4147 QW |
1 | // SPDX-License-Identifier: GPL-2.0+ |
| 2 | #ifndef __BTRFS_DISK_IO_H__ | |
| 3 | #define __BTRFS_DISK_IO_H__ | |
| 4 | ||
| 4aebb994 QW |
5 | #include <linux/sizes.h> |
| 6 | #include <fs_internal.h> | |
| 565a4147 QW |
7 | #include "ctree.h" |
| 8 | #include "disk-io.h" | |
| 9 | ||
| 4aebb994 QW |
10 | #define BTRFS_SUPER_INFO_OFFSET SZ_64K |
| 11 | #define BTRFS_SUPER_INFO_SIZE SZ_4K | |
| 565a4147 | 12 | |
| 75b0817b QW |
13 | /* From btrfs-progs */ |
| 14 | int read_whole_eb(struct btrfs_fs_info *info, struct extent_buffer *eb, int mirror); | |
| 15 | struct extent_buffer* read_tree_block(struct btrfs_fs_info *fs_info, u64 bytenr, | |
| 16 | u64 parent_transid); | |
| 565a4147 | 17 | |
| a26a6bed QW |
18 | int read_extent_data(struct btrfs_fs_info *fs_info, char *data, u64 logical, |
| 19 | u64 *len, int mirror); | |
| 75b0817b QW |
20 | struct extent_buffer* btrfs_find_create_tree_block( |
| 21 | struct btrfs_fs_info *fs_info, u64 bytenr); | |
| 22 | struct extent_buffer *btrfs_find_tree_block(struct btrfs_fs_info *fs_info, | |
| 23 | u64 bytenr, u32 blocksize); | |
| f06bfcf5 QW |
24 | struct btrfs_root *btrfs_read_fs_root_no_cache(struct btrfs_fs_info *fs_info, |
| 25 | struct btrfs_key *location); | |
| 26 | struct btrfs_root *btrfs_read_fs_root(struct btrfs_fs_info *fs_info, | |
| 27 | struct btrfs_key *location); | |
| 28 | ||
| 29 | void btrfs_setup_root(struct btrfs_root *root, struct btrfs_fs_info *fs_info, | |
| 30 | u64 objectid); | |
| 31 | ||
| 32 | void btrfs_free_fs_info(struct btrfs_fs_info *fs_info); | |
| 33 | struct btrfs_fs_info *btrfs_new_fs_info(void); | |
| 34 | int btrfs_check_fs_compatibility(struct btrfs_super_block *sb); | |
| 35 | int btrfs_setup_all_roots(struct btrfs_fs_info *fs_info); | |
| 36 | void btrfs_release_all_roots(struct btrfs_fs_info *fs_info); | |
| 37 | void btrfs_cleanup_all_caches(struct btrfs_fs_info *fs_info); | |
| 38 | ||
| 39 | struct btrfs_fs_info *open_ctree_fs_info(struct blk_desc *desc, | |
| 40 | struct disk_partition *part); | |
| 41 | int close_ctree_fs_info(struct btrfs_fs_info *fs_info); | |
| 42 | ||
| 4aebb994 QW |
43 | int btrfs_read_dev_super(struct blk_desc *desc, struct disk_partition *part, |
| 44 | struct btrfs_super_block *sb); | |
| 75b0817b QW |
45 | int btrfs_buffer_uptodate(struct extent_buffer *buf, u64 parent_transid); |
| 46 | int btrfs_set_buffer_uptodate(struct extent_buffer *buf); | |
| 47 | int btrfs_csum_data(u16 csum_type, const u8 *data, u8 *out, size_t len); | |
| 48 | int csum_tree_block_size(struct extent_buffer *buf, u16 csum_sectorsize, | |
| 49 | int verify, u16 csum_type); | |
| 565a4147 | 50 | #endif |