BTRFS_LAST_FREE_OBJECTID
ASSERT(root->free_objectid <= BTRFS_LAST_FREE_OBJECTID);
ASSERT(tree_root->free_objectid <= BTRFS_LAST_FREE_OBJECTID);
search_key.objectid = BTRFS_LAST_FREE_OBJECTID;
if (unlikely(root->free_objectid >= BTRFS_LAST_FREE_OBJECTID)) {
if (btrfs_root_id(root) >= BTRFS_LAST_FREE_OBJECTID) {
BTRFS_LAST_FREE_OBJECTID < args.subvolid)
dref_objectid > BTRFS_LAST_FREE_OBJECTID)) {
objectid > BTRFS_LAST_FREE_OBJECTID)) {
BTRFS_FIRST_FREE_OBJECTID, BTRFS_LAST_FREE_OBJECTID);
key->objectid > BTRFS_LAST_FREE_OBJECTID) &&
BTRFS_LAST_FREE_OBJECTID,
BTRFS_LAST_FREE_OBJECTID,
BTRFS_LAST_FREE_OBJECTID);
key.objectid > BTRFS_LAST_FREE_OBJECTID)