Lines Matching refs:em_tree
448 struct extent_map_tree *em_tree;
455 em_tree = &BTRFS_I(inode)->extent_tree;
498 read_lock(&em_tree->lock);
499 em = lookup_extent_mapping(em_tree, last_offset,
501 read_unlock(&em_tree->lock);
562 struct extent_map_tree *em_tree;
580 em_tree = &BTRFS_I(inode)->extent_tree;
583 read_lock(&em_tree->lock);
584 em = lookup_extent_mapping(em_tree,
587 read_unlock(&em_tree->lock);