cc68414c61
These belong in extent-tree.h, they were missed because they were not grouped with the other extent-tree.c prototypes. Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
79 lines
3.5 KiB
C
79 lines
3.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef BTRFS_EXTENT_TREE_H
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#define BTRFS_EXTENT_TREE_H
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enum btrfs_inline_ref_type {
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BTRFS_REF_TYPE_INVALID,
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BTRFS_REF_TYPE_BLOCK,
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BTRFS_REF_TYPE_DATA,
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BTRFS_REF_TYPE_ANY,
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};
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int btrfs_get_extent_inline_ref_type(const struct extent_buffer *eb,
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struct btrfs_extent_inline_ref *iref,
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enum btrfs_inline_ref_type is_data);
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u64 hash_extent_data_ref(u64 root_objectid, u64 owner, u64 offset);
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int btrfs_add_excluded_extent(struct btrfs_fs_info *fs_info,
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u64 start, u64 num_bytes);
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void btrfs_free_excluded_extents(struct btrfs_block_group *cache);
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int btrfs_run_delayed_refs(struct btrfs_trans_handle *trans, unsigned long count);
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void btrfs_cleanup_ref_head_accounting(struct btrfs_fs_info *fs_info,
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struct btrfs_delayed_ref_root *delayed_refs,
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struct btrfs_delayed_ref_head *head);
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int btrfs_lookup_data_extent(struct btrfs_fs_info *fs_info, u64 start, u64 len);
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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_pin_extent(struct btrfs_trans_handle *trans, u64 bytenr, u64 num,
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int reserved);
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int btrfs_pin_extent_for_log_replay(struct btrfs_trans_handle *trans,
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u64 bytenr, u64 num_bytes);
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int btrfs_exclude_logged_extents(struct extent_buffer *eb);
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int btrfs_cross_ref_exist(struct btrfs_root *root,
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u64 objectid, u64 offset, u64 bytenr, bool strict,
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struct btrfs_path *path);
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struct extent_buffer *btrfs_alloc_tree_block(struct btrfs_trans_handle *trans,
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struct btrfs_root *root,
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u64 parent, u64 root_objectid,
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const struct btrfs_disk_key *key,
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int level, u64 hint,
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u64 empty_size,
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enum btrfs_lock_nesting nest);
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void btrfs_free_tree_block(struct btrfs_trans_handle *trans,
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u64 root_id,
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struct extent_buffer *buf,
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u64 parent, int last_ref);
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int btrfs_alloc_reserved_file_extent(struct btrfs_trans_handle *trans,
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struct btrfs_root *root, u64 owner,
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u64 offset, u64 ram_bytes,
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struct btrfs_key *ins);
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int btrfs_alloc_logged_file_extent(struct btrfs_trans_handle *trans,
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u64 root_objectid, u64 owner, u64 offset,
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struct btrfs_key *ins);
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int btrfs_reserve_extent(struct btrfs_root *root, u64 ram_bytes, u64 num_bytes,
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u64 min_alloc_size, u64 empty_size, u64 hint_byte,
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struct btrfs_key *ins, int is_data, int delalloc);
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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 full_backref);
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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 full_backref);
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int btrfs_set_disk_extent_flags(struct btrfs_trans_handle *trans,
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struct extent_buffer *eb, u64 flags, int level);
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int btrfs_free_extent(struct btrfs_trans_handle *trans, struct btrfs_ref *ref);
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int btrfs_free_reserved_extent(struct btrfs_fs_info *fs_info,
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u64 start, u64 len, int delalloc);
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int btrfs_pin_reserved_extent(struct btrfs_trans_handle *trans, u64 start, u64 len);
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int btrfs_finish_extent_commit(struct btrfs_trans_handle *trans);
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int btrfs_inc_extent_ref(struct btrfs_trans_handle *trans, struct btrfs_ref *generic_ref);
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int __must_check btrfs_drop_snapshot(struct btrfs_root *root, int update_ref,
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int for_reloc);
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int btrfs_drop_subtree(struct btrfs_trans_handle *trans,
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struct btrfs_root *root,
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struct extent_buffer *node,
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struct extent_buffer *parent);
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#endif
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