1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677 |
- /* SPDX-License-Identifier: GPL-2.0+ */
- /*
- * BTRFS filesystem implementation for U-Boot
- *
- * 2017 Marek Behun, CZ.NIC, marek.behun@nic.cz
- */
- #ifndef __BTRFS_BTRFS_H__
- #define __BTRFS_BTRFS_H__
- #include <linux/rbtree.h>
- #include "conv-funcs.h"
- struct btrfs_info {
- struct btrfs_super_block sb;
- struct __btrfs_root tree_root;
- struct __btrfs_root fs_root;
- struct __btrfs_root chunk_root;
- struct rb_root chunks_root;
- };
- extern struct btrfs_info btrfs_info;
- extern struct btrfs_fs_info *current_fs_info;
- /* dev.c */
- extern struct blk_desc *btrfs_blk_desc;
- extern struct disk_partition *btrfs_part_info;
- int btrfs_devread(u64, int, void *);
- /* chunk-map.c */
- u64 btrfs_map_logical_to_physical(u64);
- int btrfs_chunk_map_init(void);
- void btrfs_chunk_map_exit(void);
- int __btrfs_read_chunk_tree(void);
- /* compression.c */
- u32 btrfs_decompress(u8 type, const char *, u32, char *, u32);
- /* super.c */
- int btrfs_read_superblock(void);
- /* dir-item.c */
- typedef int (*btrfs_readdir_callback_t)(const struct __btrfs_root *,
- struct btrfs_dir_item *);
- int btrfs_lookup_dir_item(const struct __btrfs_root *, u64, const char *, int,
- struct btrfs_dir_item *);
- int btrfs_readdir(const struct __btrfs_root *, u64, btrfs_readdir_callback_t);
- /* root.c */
- int btrfs_find_root(u64, struct __btrfs_root *, struct btrfs_root_item *);
- u64 btrfs_lookup_root_ref(u64, struct btrfs_root_ref *, char *);
- /* inode.c */
- u64 btrfs_lookup_inode_ref(struct __btrfs_root *, u64, struct btrfs_inode_ref *,
- char *);
- int btrfs_lookup_inode(const struct __btrfs_root *, struct btrfs_key *,
- struct btrfs_inode_item *, struct __btrfs_root *);
- int btrfs_readlink(const struct __btrfs_root *, u64, char *);
- u64 btrfs_lookup_path(struct __btrfs_root *, u64, const char *, u8 *,
- struct btrfs_inode_item *, int);
- u64 btrfs_file_read(const struct __btrfs_root *, u64, u64, u64, char *);
- /* subvolume.c */
- u64 btrfs_get_default_subvol_objectid(void);
- /* extent-io.c */
- u64 btrfs_read_extent_inline(struct __btrfs_path *,
- struct btrfs_file_extent_item *, u64, u64,
- char *);
- u64 btrfs_read_extent_reg(struct __btrfs_path *, struct btrfs_file_extent_item *,
- u64, u64, char *);
- #endif /* !__BTRFS_BTRFS_H__ */
|