650 	struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree;  in submit_compressed_extents()  local
773 			write_lock(&em_tree->lock);  in submit_compressed_extents()
774 			ret = add_extent_mapping(em_tree, em, 1);  in submit_compressed_extents()
775 			write_unlock(&em_tree->lock);  in submit_compressed_extents()
843 	struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree;  in get_extent_allocation_hint()  local
847 	read_lock(&em_tree->lock);  in get_extent_allocation_hint()
848 	em = search_extent_mapping(em_tree, start, num_bytes);  in get_extent_allocation_hint()
857 			em = search_extent_mapping(em_tree, 0, 0);  in get_extent_allocation_hint()
867 	read_unlock(&em_tree->lock);  in get_extent_allocation_hint()
900 	struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree;  in cow_file_range()  local
975 			write_lock(&em_tree->lock);  in cow_file_range()
976 			ret = add_extent_mapping(em_tree, em, 1);  in cow_file_range()
977 			write_unlock(&em_tree->lock);  in cow_file_range()
1379 			struct extent_map_tree *em_tree;  in run_delalloc_nocow()  local
1380 			em_tree = &BTRFS_I(inode)->extent_tree;  in run_delalloc_nocow()
1397 				write_lock(&em_tree->lock);  in run_delalloc_nocow()
1398 				ret = add_extent_mapping(em_tree, em, 1);  in run_delalloc_nocow()
1399 				write_unlock(&em_tree->lock);  in run_delalloc_nocow()
4490 	struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree;  in btrfs_cont_expand()  local
4565 				write_lock(&em_tree->lock);  in btrfs_cont_expand()
4566 				err = add_extent_mapping(em_tree, hole_em, 1);  in btrfs_cont_expand()
4567 				write_unlock(&em_tree->lock);  in btrfs_cont_expand()
6264 static int merge_extent_mapping(struct extent_map_tree *em_tree,  in merge_extent_mapping()  argument
6297 	return add_extent_mapping(em_tree, em, 0);  in merge_extent_mapping()
6371 	struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree;  in btrfs_get_extent()  local
6377 	read_lock(&em_tree->lock);  in btrfs_get_extent()
6378 	em = lookup_extent_mapping(em_tree, start, len);  in btrfs_get_extent()
6381 	read_unlock(&em_tree->lock);  in btrfs_get_extent()
6571 	write_lock(&em_tree->lock);  in btrfs_get_extent()
6572 	ret = add_extent_mapping(em_tree, em, 0);  in btrfs_get_extent()
6582 		existing = search_extent_mapping(em_tree, start, len);  in btrfs_get_extent()
6593 			err = merge_extent_mapping(em_tree, existing,  in btrfs_get_extent()
6606 	write_unlock(&em_tree->lock);  in btrfs_get_extent()
7067 	struct extent_map_tree *em_tree;  in create_pinned_em()  local
7072 	em_tree = &BTRFS_I(inode)->extent_tree;  in create_pinned_em()
7095 		write_lock(&em_tree->lock);  in create_pinned_em()
7096 		ret = add_extent_mapping(em_tree, em, 1);  in create_pinned_em()
7097 		write_unlock(&em_tree->lock);  in create_pinned_em()
9274 	struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree;  in __btrfs_prealloc_file_range()  local
9340 			write_lock(&em_tree->lock);  in __btrfs_prealloc_file_range()
9341 			ret = add_extent_mapping(em_tree, em, 1);  in __btrfs_prealloc_file_range()
9342 			write_unlock(&em_tree->lock);  in __btrfs_prealloc_file_range()