675 	struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree;  in submit_compressed_extents()  local
786 			write_lock(&em_tree->lock);  in submit_compressed_extents()
787 			ret = add_extent_mapping(em_tree, em, 1);  in submit_compressed_extents()
788 			write_unlock(&em_tree->lock);  in submit_compressed_extents()
869 	struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree;  in get_extent_allocation_hint()  local
873 	read_lock(&em_tree->lock);  in get_extent_allocation_hint()
874 	em = search_extent_mapping(em_tree, start, num_bytes);  in get_extent_allocation_hint()
883 			em = search_extent_mapping(em_tree, 0, 0);  in get_extent_allocation_hint()
893 	read_unlock(&em_tree->lock);  in get_extent_allocation_hint()
926 	struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree;  in cow_file_range()  local
1001 			write_lock(&em_tree->lock);  in cow_file_range()
1002 			ret = add_extent_mapping(em_tree, em, 1);  in cow_file_range()
1003 			write_unlock(&em_tree->lock);  in cow_file_range()
1405 			struct extent_map_tree *em_tree;  in run_delalloc_nocow()  local
1406 			em_tree = &BTRFS_I(inode)->extent_tree;  in run_delalloc_nocow()
1423 				write_lock(&em_tree->lock);  in run_delalloc_nocow()
1424 				ret = add_extent_mapping(em_tree, em, 1);  in run_delalloc_nocow()
1425 				write_unlock(&em_tree->lock);  in run_delalloc_nocow()
4733 	struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree;  in btrfs_cont_expand()  local
4808 				write_lock(&em_tree->lock);  in btrfs_cont_expand()
4809 				err = add_extent_mapping(em_tree, hole_em, 1);  in btrfs_cont_expand()
4810 				write_unlock(&em_tree->lock);  in btrfs_cont_expand()
6595 static int merge_extent_mapping(struct extent_map_tree *em_tree,  in merge_extent_mapping()  argument
6628 	return add_extent_mapping(em_tree, em, 0);  in merge_extent_mapping()
6688 	struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree;  in btrfs_get_extent()  local
6694 	read_lock(&em_tree->lock);  in btrfs_get_extent()
6695 	em = lookup_extent_mapping(em_tree, start, len);  in btrfs_get_extent()
6698 	read_unlock(&em_tree->lock);  in btrfs_get_extent()
6888 	write_lock(&em_tree->lock);  in btrfs_get_extent()
6889 	ret = add_extent_mapping(em_tree, em, 0);  in btrfs_get_extent()
6899 		existing = search_extent_mapping(em_tree, start, len);  in btrfs_get_extent()
6910 			err = merge_extent_mapping(em_tree, existing,  in btrfs_get_extent()
6923 	write_unlock(&em_tree->lock);  in btrfs_get_extent()
7387 	struct extent_map_tree *em_tree;  in create_pinned_em()  local
7392 	em_tree = &BTRFS_I(inode)->extent_tree;  in create_pinned_em()
7415 		write_lock(&em_tree->lock);  in create_pinned_em()
7416 		ret = add_extent_mapping(em_tree, em, 1);  in create_pinned_em()
7417 		write_unlock(&em_tree->lock);  in create_pinned_em()
9626 	struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree;  in __btrfs_prealloc_file_range()  local
9693 			write_lock(&em_tree->lock);  in __btrfs_prealloc_file_range()
9694 			ret = add_extent_mapping(em_tree, em, 1);  in __btrfs_prealloc_file_range()
9695 			write_unlock(&em_tree->lock);  in __btrfs_prealloc_file_range()