682 	struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree;  in submit_compressed_extents()  local
793 			write_lock(&em_tree->lock);  in submit_compressed_extents()
794 			ret = add_extent_mapping(em_tree, em, 1);  in submit_compressed_extents()
795 			write_unlock(&em_tree->lock);  in submit_compressed_extents()
876 	struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree;  in get_extent_allocation_hint()  local
880 	read_lock(&em_tree->lock);  in get_extent_allocation_hint()
881 	em = search_extent_mapping(em_tree, start, num_bytes);  in get_extent_allocation_hint()
890 			em = search_extent_mapping(em_tree, 0, 0);  in get_extent_allocation_hint()
900 	read_unlock(&em_tree->lock);  in get_extent_allocation_hint()
933 	struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree;  in cow_file_range()  local
1008 			write_lock(&em_tree->lock);  in cow_file_range()
1009 			ret = add_extent_mapping(em_tree, em, 1);  in cow_file_range()
1010 			write_unlock(&em_tree->lock);  in cow_file_range()
1415 			struct extent_map_tree *em_tree;  in run_delalloc_nocow()  local
1416 			em_tree = &BTRFS_I(inode)->extent_tree;  in run_delalloc_nocow()
1433 				write_lock(&em_tree->lock);  in run_delalloc_nocow()
1434 				ret = add_extent_mapping(em_tree, em, 1);  in run_delalloc_nocow()
1435 				write_unlock(&em_tree->lock);  in run_delalloc_nocow()
4775 	struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree;  in btrfs_cont_expand()  local
4850 				write_lock(&em_tree->lock);  in btrfs_cont_expand()
4851 				err = add_extent_mapping(em_tree, hole_em, 1);  in btrfs_cont_expand()
4852 				write_unlock(&em_tree->lock);  in btrfs_cont_expand()
6663 static int merge_extent_mapping(struct extent_map_tree *em_tree,  in merge_extent_mapping()  argument
6696 	return add_extent_mapping(em_tree, em, 0);  in merge_extent_mapping()
6756 	struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree;  in btrfs_get_extent()  local
6762 	read_lock(&em_tree->lock);  in btrfs_get_extent()
6763 	em = lookup_extent_mapping(em_tree, start, len);  in btrfs_get_extent()
6766 	read_unlock(&em_tree->lock);  in btrfs_get_extent()
6956 	write_lock(&em_tree->lock);  in btrfs_get_extent()
6957 	ret = add_extent_mapping(em_tree, em, 0);  in btrfs_get_extent()
6967 		existing = search_extent_mapping(em_tree, start, len);  in btrfs_get_extent()
6978 			err = merge_extent_mapping(em_tree, existing,  in btrfs_get_extent()
6991 	write_unlock(&em_tree->lock);  in btrfs_get_extent()
7454 	struct extent_map_tree *em_tree;  in create_pinned_em()  local
7459 	em_tree = &BTRFS_I(inode)->extent_tree;  in create_pinned_em()
7482 		write_lock(&em_tree->lock);  in create_pinned_em()
7483 		ret = add_extent_mapping(em_tree, em, 1);  in create_pinned_em()
7484 		write_unlock(&em_tree->lock);  in create_pinned_em()
9767 	struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree;  in __btrfs_prealloc_file_range()  local
9843 			write_lock(&em_tree->lock);  in __btrfs_prealloc_file_range()
9844 			ret = add_extent_mapping(em_tree, em, 1);  in __btrfs_prealloc_file_range()
9845 			write_unlock(&em_tree->lock);  in __btrfs_prealloc_file_range()