1838 	em_tree = &root->fs_info->mapping_tree.map_tree;  in btrfs_relocate_chunk()
2623 	em_tree = &extent_root->fs_info->mapping_tree.map_tree;  in __btrfs_alloc_chunk()
2824 	struct btrfs_mapping_tree *map_tree = &root->fs_info->mapping_tree;  in btrfs_chunk_readonly()  local
2828 	read_lock(&map_tree->map_tree.lock);  in btrfs_chunk_readonly()
2829 	em = lookup_extent_mapping(&map_tree->map_tree, chunk_offset, 1);  in btrfs_chunk_readonly()
2830 	read_unlock(&map_tree->map_tree.lock);  in btrfs_chunk_readonly()
2852 	extent_map_tree_init(&tree->map_tree, GFP_NOFS);  in btrfs_mapping_init()
2860 		write_lock(&tree->map_tree.lock);  in btrfs_mapping_tree_free()
2861 		em = lookup_extent_mapping(&tree->map_tree, 0, (u64)-1);  in btrfs_mapping_tree_free()
2863 			remove_extent_mapping(&tree->map_tree, em);  in btrfs_mapping_tree_free()
2864 		write_unlock(&tree->map_tree.lock);  in btrfs_mapping_tree_free()
2875 int btrfs_num_copies(struct btrfs_mapping_tree *map_tree, u64 logical, u64 len)  in btrfs_num_copies()  argument
2879 	struct extent_map_tree *em_tree = &map_tree->map_tree;  in btrfs_num_copies()
2915 static int __btrfs_map_block(struct btrfs_mapping_tree *map_tree, int rw,  in __btrfs_map_block()  argument
2922 	struct extent_map_tree *em_tree = &map_tree->map_tree;  in __btrfs_map_block()
3187 int btrfs_map_block(struct btrfs_mapping_tree *map_tree, int rw,  in btrfs_map_block()  argument
3191 	return __btrfs_map_block(map_tree, rw, logical, length, multi_ret,  in btrfs_map_block()
3195 int btrfs_rmap_block(struct btrfs_mapping_tree *map_tree,  in btrfs_rmap_block()  argument
3199 	struct extent_map_tree *em_tree = &map_tree->map_tree;  in btrfs_rmap_block()
3365 	struct btrfs_mapping_tree *map_tree;  in btrfs_map_bio()  local
3377 	map_tree = &root->fs_info->mapping_tree;  in btrfs_map_bio()
3380 	ret = btrfs_map_block(map_tree, rw, logical, &map_length, &multi,  in btrfs_map_bio()
3476 	struct btrfs_mapping_tree *map_tree = &root->fs_info->mapping_tree;  in read_one_chunk()  local
3490 	read_lock(&map_tree->map_tree.lock);  in read_one_chunk()
3491 	em = lookup_extent_mapping(&map_tree->map_tree, logical, 1);  in read_one_chunk()
3492 	read_unlock(&map_tree->map_tree.lock);  in read_one_chunk()
3551 	write_lock(&map_tree->map_tree.lock);  in read_one_chunk()
3552 	ret = add_extent_mapping(&map_tree->map_tree, em);  in read_one_chunk()
3553 	write_unlock(&map_tree->map_tree.lock);  in read_one_chunk()