/* * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License v2 as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this program; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 021110-1307, USA. */ #include "kerncompat.h" #include #include "kernel-shared/uapi/btrfs_tree.h" #include "kernel-shared/ctree.h" #include "common/extent-tree-utils.h" /* * Search in extent tree to found next meta/data extent. Caller needs to check * for no-hole or skinny metadata features. */ int btrfs_next_extent_item(struct btrfs_root *root, struct btrfs_path *path, u64 max_objectid) { struct btrfs_key found_key; int ret; while (1) { ret = btrfs_next_item(root, path); if (ret) return ret; btrfs_item_key_to_cpu(path->nodes[0], &found_key, path->slots[0]); if (found_key.objectid > max_objectid) return 1; if (found_key.type == BTRFS_EXTENT_ITEM_KEY || found_key.type == BTRFS_METADATA_ITEM_KEY) return 0; } }