mirror of
https://github.com/kdave/btrfs-progs
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btrfs-progs: libbtrfs: reduce exports from ctree.h
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba
parent
0631817e6f
commit
84062449f2
322
libbtrfs/ctree.h
322
libbtrfs/ctree.h
@ -2653,149 +2653,6 @@ static inline int __btrfs_fs_compat_ro(struct btrfs_fs_info *fs_info, u64 flag)
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((unsigned long)(btrfs_leaf_data(leaf) + \
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btrfs_item_offset(leaf, slot)))
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u64 btrfs_name_hash(const char *name, int len);
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u64 btrfs_extref_hash(u64 parent_objectid, const char *name, int len);
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/* extent-tree.c */
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int btrfs_reserve_extent(struct btrfs_trans_handle *trans,
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struct btrfs_root *root,
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u64 num_bytes, u64 empty_size,
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u64 hint_byte, u64 search_end,
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struct btrfs_key *ins, bool is_data);
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int btrfs_fix_block_accounting(struct btrfs_trans_handle *trans);
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void btrfs_pin_extent(struct btrfs_fs_info *fs_info, u64 bytenr, u64 num_bytes);
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void btrfs_unpin_extent(struct btrfs_fs_info *fs_info,
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u64 bytenr, u64 num_bytes);
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struct btrfs_block_group *btrfs_lookup_block_group(struct btrfs_fs_info *info,
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u64 bytenr);
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struct btrfs_block_group *btrfs_lookup_first_block_group(struct
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btrfs_fs_info *info,
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u64 bytenr);
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struct extent_buffer *btrfs_alloc_free_block(struct btrfs_trans_handle *trans,
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struct btrfs_root *root,
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u32 blocksize, u64 root_objectid,
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struct btrfs_disk_key *key, int level,
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u64 hint, u64 empty_size);
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int btrfs_lookup_extent_info(struct btrfs_trans_handle *trans,
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struct btrfs_fs_info *fs_info, u64 bytenr,
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u64 offset, int metadata, u64 *refs, u64 *flags);
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int btrfs_set_block_flags(struct btrfs_trans_handle *trans, u64 bytenr,
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int level, u64 flags);
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int btrfs_inc_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root,
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struct extent_buffer *buf, int record_parent);
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int btrfs_dec_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root,
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struct extent_buffer *buf, int record_parent);
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int btrfs_free_tree_block(struct btrfs_trans_handle *trans,
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struct btrfs_root *root,
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struct extent_buffer *buf,
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u64 parent, int last_ref);
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int btrfs_free_extent(struct btrfs_trans_handle *trans,
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struct btrfs_root *root,
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u64 bytenr, u64 num_bytes, u64 parent,
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u64 root_objectid, u64 owner, u64 offset);
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void btrfs_finish_extent_commit(struct btrfs_trans_handle *trans);
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int btrfs_inc_extent_ref(struct btrfs_trans_handle *trans,
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struct btrfs_root *root,
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u64 bytenr, u64 num_bytes, u64 parent,
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u64 root_objectid, u64 owner, u64 offset);
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int btrfs_update_extent_ref(struct btrfs_trans_handle *trans,
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struct btrfs_root *root, u64 bytenr,
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u64 orig_parent, u64 parent,
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u64 root_objectid, u64 ref_generation,
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u64 owner_objectid);
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int btrfs_write_dirty_block_groups(struct btrfs_trans_handle *trans);
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int update_space_info(struct btrfs_fs_info *info, u64 flags,
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u64 total_bytes, u64 bytes_used,
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struct btrfs_space_info **space_info);
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int btrfs_free_block_groups(struct btrfs_fs_info *info);
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int btrfs_read_block_groups(struct btrfs_fs_info *info);
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struct btrfs_block_group *
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btrfs_add_block_group(struct btrfs_fs_info *fs_info, u64 bytes_used, u64 type,
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u64 chunk_offset, u64 size);
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int btrfs_make_block_group(struct btrfs_trans_handle *trans,
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struct btrfs_fs_info *fs_info, u64 bytes_used,
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u64 type, u64 chunk_offset, u64 size);
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int btrfs_make_block_groups(struct btrfs_trans_handle *trans,
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struct btrfs_fs_info *fs_info);
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int btrfs_update_block_group(struct btrfs_trans_handle *trans, u64 bytenr,
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u64 num, int alloc, int mark_free);
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int btrfs_record_file_extent(struct btrfs_trans_handle *trans,
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struct btrfs_root *root, u64 objectid,
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struct btrfs_inode_item *inode,
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u64 file_pos, u64 disk_bytenr,
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u64 num_bytes);
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int btrfs_remove_block_group(struct btrfs_trans_handle *trans,
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u64 bytenr, u64 len);
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void free_excluded_extents(struct btrfs_fs_info *fs_info,
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struct btrfs_block_group *cache);
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int exclude_super_stripes(struct btrfs_fs_info *fs_info,
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struct btrfs_block_group *cache);
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u64 add_new_free_space(struct btrfs_block_group *block_group,
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struct btrfs_fs_info *info, u64 start, u64 end);
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u64 hash_extent_data_ref(u64 root_objectid, u64 owner, u64 offset);
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/* ctree.c */
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int btrfs_comp_cpu_keys(const struct btrfs_key *k1, const struct btrfs_key *k2);
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int btrfs_del_ptr(struct btrfs_root *root, struct btrfs_path *path,
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int level, int slot);
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enum btrfs_tree_block_status
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btrfs_check_node(struct btrfs_fs_info *fs_info,
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struct btrfs_key *parent_key, struct extent_buffer *buf);
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enum btrfs_tree_block_status
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btrfs_check_leaf(struct btrfs_fs_info *fs_info,
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struct btrfs_key *parent_key, struct extent_buffer *buf);
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void reada_for_search(struct btrfs_fs_info *fs_info, struct btrfs_path *path,
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int level, int slot, u64 objectid);
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struct extent_buffer *read_node_slot(struct btrfs_fs_info *fs_info,
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struct extent_buffer *parent, int slot);
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int btrfs_previous_item(struct btrfs_root *root,
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struct btrfs_path *path, u64 min_objectid,
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int type);
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int btrfs_previous_extent_item(struct btrfs_root *root,
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struct btrfs_path *path, u64 min_objectid);
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int btrfs_next_extent_item(struct btrfs_root *root,
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struct btrfs_path *path, u64 max_objectid);
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int btrfs_cow_block(struct btrfs_trans_handle *trans,
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struct btrfs_root *root, struct extent_buffer *buf,
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struct extent_buffer *parent, int parent_slot,
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struct extent_buffer **cow_ret);
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int __btrfs_cow_block(struct btrfs_trans_handle *trans,
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struct btrfs_root *root,
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struct extent_buffer *buf,
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struct extent_buffer *parent, int parent_slot,
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struct extent_buffer **cow_ret,
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u64 search_start, u64 empty_size);
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int btrfs_copy_root(struct btrfs_trans_handle *trans,
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struct btrfs_root *root,
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struct extent_buffer *buf,
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struct extent_buffer **cow_ret, u64 new_root_objectid);
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int btrfs_create_root(struct btrfs_trans_handle *trans,
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struct btrfs_fs_info *fs_info, u64 objectid);
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int btrfs_extend_item(struct btrfs_root *root, struct btrfs_path *path,
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u32 data_size);
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int btrfs_truncate_item(struct btrfs_path *path, u32 new_size, int from_end);
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int btrfs_split_item(struct btrfs_trans_handle *trans,
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struct btrfs_root *root,
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struct btrfs_path *path,
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struct btrfs_key *new_key,
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unsigned long split_offset);
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int btrfs_search_slot(struct btrfs_trans_handle *trans,
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struct btrfs_root *root, const struct btrfs_key *key,
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struct btrfs_path *p, int ins_len, int cow);
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int btrfs_search_slot_for_read(struct btrfs_root *root,
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const struct btrfs_key *key,
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struct btrfs_path *p, int find_higher,
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int return_any);
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int btrfs_bin_search(struct extent_buffer *eb, const struct btrfs_key *key,
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int *slot);
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int btrfs_find_item(struct btrfs_root *fs_root, struct btrfs_path *found_path,
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u64 iobjectid, u64 ioff, u8 key_type,
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struct btrfs_key *found_key);
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void btrfs_release_path(struct btrfs_path *p);
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void add_root_to_dirty_list(struct btrfs_root *root);
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struct btrfs_path *btrfs_alloc_path(void);
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void btrfs_free_path(struct btrfs_path *p);
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void btrfs_init_path(struct btrfs_path *p);
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int btrfs_del_items(struct btrfs_trans_handle *trans, struct btrfs_root *root,
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struct btrfs_path *path, int slot, int nr);
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@ -2838,183 +2695,4 @@ static inline int btrfs_next_leaf(struct btrfs_root *root,
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return btrfs_next_sibling_tree_block(root->fs_info, path);
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}
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static inline int btrfs_next_item(struct btrfs_root *root,
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struct btrfs_path *p)
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{
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++p->slots[0];
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if (p->slots[0] >= btrfs_header_nritems(p->nodes[0])) {
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int ret;
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ret = btrfs_next_leaf(root, p);
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/*
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* Revert the increased slot, or the path may point to
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* an invalid item.
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*/
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if (ret)
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p->slots[0]--;
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return ret;
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}
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return 0;
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}
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int btrfs_prev_leaf(struct btrfs_root *root, struct btrfs_path *path);
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int btrfs_leaf_free_space(struct extent_buffer *leaf);
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void btrfs_fixup_low_keys(struct btrfs_path *path, struct btrfs_disk_key *key,
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int level);
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int btrfs_set_item_key_safe(struct btrfs_root *root, struct btrfs_path *path,
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struct btrfs_key *new_key);
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void btrfs_set_item_key_unsafe(struct btrfs_root *root,
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struct btrfs_path *path,
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struct btrfs_key *new_key);
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u16 btrfs_super_csum_size(const struct btrfs_super_block *s);
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const char *btrfs_super_csum_name(u16 csum_type);
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u16 btrfs_csum_type_size(u16 csum_type);
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size_t btrfs_super_num_csums(void);
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/* root-item.c */
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int btrfs_add_root_ref(struct btrfs_trans_handle *trans,
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struct btrfs_root *tree_root,
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u64 root_id, u8 type, u64 ref_id,
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u64 dirid, u64 sequence,
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const char *name, int name_len);
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int btrfs_insert_root(struct btrfs_trans_handle *trans, struct btrfs_root
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*root, struct btrfs_key *key, struct btrfs_root_item
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*item);
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int btrfs_del_root(struct btrfs_trans_handle *trans, struct btrfs_root *root,
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struct btrfs_key *key);
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int btrfs_update_root(struct btrfs_trans_handle *trans, struct btrfs_root
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*root, struct btrfs_key *key, struct btrfs_root_item
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*item);
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int btrfs_find_last_root(struct btrfs_root *root, u64 objectid, struct
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btrfs_root_item *item, struct btrfs_key *key);
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/* dir-item.c */
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int btrfs_insert_dir_item(struct btrfs_trans_handle *trans, struct btrfs_root
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*root, const char *name, int name_len, u64 dir,
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struct btrfs_key *location, u8 type, u64 index);
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struct btrfs_dir_item *btrfs_lookup_dir_item(struct btrfs_trans_handle *trans,
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struct btrfs_root *root,
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struct btrfs_path *path, u64 dir,
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const char *name, int name_len,
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int mod);
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struct btrfs_dir_item *btrfs_lookup_dir_index_item(struct btrfs_trans_handle *trans,
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struct btrfs_root *root,
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struct btrfs_path *path, u64 dir,
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u64 objectid, const char *name, int name_len,
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int mod);
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int btrfs_delete_one_dir_name(struct btrfs_trans_handle *trans,
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struct btrfs_root *root,
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struct btrfs_path *path,
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struct btrfs_dir_item *di);
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int btrfs_insert_xattr_item(struct btrfs_trans_handle *trans,
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struct btrfs_root *root, const char *name,
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u16 name_len, const void *data, u16 data_len,
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u64 dir);
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struct btrfs_dir_item *btrfs_match_dir_item_name(struct btrfs_root *root,
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struct btrfs_path *path,
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const char *name, int name_len);
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/* inode-item.c */
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int btrfs_insert_inode_ref(struct btrfs_trans_handle *trans,
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struct btrfs_root *root,
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const char *name, int name_len,
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u64 inode_objectid, u64 ref_objectid, u64 index);
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int btrfs_insert_inode(struct btrfs_trans_handle *trans, struct btrfs_root
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*root, u64 objectid, struct btrfs_inode_item
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*inode_item);
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int btrfs_lookup_inode(struct btrfs_trans_handle *trans, struct btrfs_root
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*root, struct btrfs_path *path,
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struct btrfs_key *location, int mod);
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struct btrfs_inode_extref *btrfs_lookup_inode_extref(struct btrfs_trans_handle
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*trans, struct btrfs_path *path, struct btrfs_root *root,
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u64 ino, u64 parent_ino, u64 index, const char *name,
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int namelen, int ins_len);
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int btrfs_del_inode_extref(struct btrfs_trans_handle *trans,
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struct btrfs_root *root,
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const char *name, int name_len,
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u64 inode_objectid, u64 ref_objectid,
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u64 *index);
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int btrfs_insert_inode_extref(struct btrfs_trans_handle *trans,
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struct btrfs_root *root,
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const char *name, int name_len,
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u64 inode_objectid, u64 ref_objectid, u64 index);
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struct btrfs_inode_ref *btrfs_lookup_inode_ref(struct btrfs_trans_handle *trans,
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struct btrfs_root *root, struct btrfs_path *path,
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const char *name, int namelen, u64 ino, u64 parent_ino,
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int ins_len);
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int btrfs_del_inode_ref(struct btrfs_trans_handle *trans,
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struct btrfs_root *root, const char *name, int name_len,
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u64 ino, u64 parent_ino, u64 *index);
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/* file-item.c */
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int btrfs_del_csums(struct btrfs_trans_handle *trans, u64 bytenr, u64 len);
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int btrfs_insert_file_extent(struct btrfs_trans_handle *trans,
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struct btrfs_root *root,
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u64 objectid, u64 pos, u64 offset,
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u64 disk_num_bytes,
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u64 num_bytes);
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int btrfs_insert_inline_extent(struct btrfs_trans_handle *trans,
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struct btrfs_root *root, u64 objectid,
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u64 offset, const char *buffer, size_t size);
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int btrfs_csum_file_block(struct btrfs_trans_handle *trans, u64 alloc_end,
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u64 bytenr, char *data, size_t len);
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/* uuid-tree.c, interface for mounted mounted filesystem */
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int btrfs_lookup_uuid_subvol_item(int fd, const u8 *uuid, u64 *subvol_id);
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int btrfs_lookup_uuid_received_subvol_item(int fd, const u8 *uuid,
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u64 *subvol_id);
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/* uuid-tree.c, interface for unmounte filesystem */
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int btrfs_uuid_tree_add(struct btrfs_trans_handle *trans, u8 *uuid, u8 type,
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u64 subvol_id_cpu);
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int btrfs_uuid_tree_remove(struct btrfs_trans_handle *trans, u8 *uuid, u8 type,
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u64 subid);
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static inline int is_fstree(u64 rootid)
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{
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if (rootid == BTRFS_FS_TREE_OBJECTID ||
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(signed long long)rootid >= (signed long long)BTRFS_FIRST_FREE_OBJECTID)
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return 1;
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return 0;
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}
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void btrfs_uuid_to_key(const u8 *uuid, struct btrfs_key *key);
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/* inode.c */
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int check_dir_conflict(struct btrfs_root *root, char *name, int namelen,
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u64 dir, u64 index);
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int btrfs_new_inode(struct btrfs_trans_handle *trans, struct btrfs_root *root,
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u64 ino, u32 mode);
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int btrfs_change_inode_flags(struct btrfs_trans_handle *trans,
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struct btrfs_root *root, u64 ino, u64 flags);
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int btrfs_add_link(struct btrfs_trans_handle *trans, struct btrfs_root *root,
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u64 ino, u64 parent_ino, char *name, int namelen,
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u8 type, u64 *index, int add_backref, int ignore_existed);
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int btrfs_unlink(struct btrfs_trans_handle *trans, struct btrfs_root *root,
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u64 ino, u64 parent_ino, u64 index, const char *name,
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int namelen, int add_orphan);
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int btrfs_add_orphan_item(struct btrfs_trans_handle *trans,
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struct btrfs_root *root, struct btrfs_path *path,
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u64 ino);
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int btrfs_mkdir(struct btrfs_trans_handle *trans, struct btrfs_root *root,
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char *name, int namelen, u64 parent_ino, u64 *ino, int mode);
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struct btrfs_root *btrfs_mksubvol(struct btrfs_root *root, const char *base,
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u64 root_objectid, bool convert);
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int btrfs_find_free_objectid(struct btrfs_trans_handle *trans,
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struct btrfs_root *fs_root,
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u64 dirid, u64 *objectid);
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/* file.c */
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int btrfs_get_extent(struct btrfs_trans_handle *trans,
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struct btrfs_root *root,
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struct btrfs_path *path,
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u64 ino, u64 offset, u64 len, int ins_len);
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int btrfs_punch_hole(struct btrfs_trans_handle *trans,
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struct btrfs_root *root,
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u64 ino, u64 offset, u64 len);
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int btrfs_read_file(struct btrfs_root *root, u64 ino, u64 start, int len,
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char *dest);
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/* extent-tree.c */
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int btrfs_run_delayed_refs(struct btrfs_trans_handle *trans, unsigned long nr);
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#endif
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