Lines Matching defs:em_tree
1216 struct extent_map_tree *em_tree = &inode->extent_tree;
1220 read_lock(&em_tree->lock);
1221 em = search_extent_mapping(em_tree, start, num_bytes);
1230 em = search_extent_mapping(em_tree, 0, 0);
1240 read_unlock(&em_tree->lock);
6763 struct extent_map_tree *em_tree = &inode->extent_tree;
6765 read_lock(&em_tree->lock);
6766 em = lookup_extent_mapping(em_tree, start, len);
6767 read_unlock(&em_tree->lock);
6926 write_lock(&em_tree->lock);
6927 ret = btrfs_add_extent_mapping(fs_info, em_tree, &em, start, len);
6928 write_unlock(&em_tree->lock);