Lines Matching defs:em_tree
1226 struct extent_map_tree *em_tree = &inode->extent_tree;
1230 read_lock(&em_tree->lock);
1231 em = search_extent_mapping(em_tree, start, num_bytes);
1240 em = search_extent_mapping(em_tree, 0, 0);
1250 read_unlock(&em_tree->lock);
6829 struct extent_map_tree *em_tree = &inode->extent_tree;
6831 read_lock(&em_tree->lock);
6832 em = lookup_extent_mapping(em_tree, start, len);
6833 read_unlock(&em_tree->lock);
6991 write_lock(&em_tree->lock);
6992 ret = btrfs_add_extent_mapping(fs_info, em_tree, &em, start, len);
6993 write_unlock(&em_tree->lock);