Lines Matching refs:em_tree
167 struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree;
185 write_lock(&em_tree->lock);
186 em = lookup_extent_mapping(em_tree, start, len);
188 write_unlock(&em_tree->lock);
195 write_unlock(&em_tree->lock);
202 write_unlock(&em_tree->lock);
207 remove_extent_mapping(em_tree, em);
223 ret = add_extent_mapping(em_tree, split);
248 ret = add_extent_mapping(em_tree, split);
253 write_unlock(&em_tree->lock);