mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
87 lines
2.4 KiB
87 lines
2.4 KiB
/* SPDX-License-Identifier: GPL-2.0+ */ |
|
/* |
|
* BTRFS filesystem implementation for U-Boot |
|
* |
|
* 2017 Marek Behun, CZ.NIC, [email protected] |
|
*/ |
|
|
|
#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; |
|
|
|
/* hash.c */ |
|
void btrfs_hash_init(void); |
|
u32 btrfs_crc32c(u32, const void *, size_t); |
|
u32 btrfs_csum_data(char *, u32, size_t); |
|
void btrfs_csum_final(u32, void *); |
|
|
|
static inline u64 btrfs_name_hash(const char *name, int len) |
|
{ |
|
return btrfs_crc32c((u32) ~1, name, len); |
|
} |
|
|
|
/* dev.c */ |
|
extern struct blk_desc *btrfs_blk_desc; |
|
extern disk_partition_t *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__ */
|
|
|