Lines Matching refs:root
67 int btrfs_find_root(struct btrfs_root *root, const struct btrfs_key *search_key, in btrfs_find_root() argument
76 ret = btrfs_search_slot(NULL, root, search_key, path, 0, 0); in btrfs_find_root()
129 *root, struct btrfs_key *key, struct btrfs_root_item in btrfs_update_root()
132 struct btrfs_fs_info *fs_info = root->fs_info; in btrfs_update_root()
144 ret = btrfs_search_slot(trans, root, key, path, 0, 1); in btrfs_update_root()
151 key->objectid, key->type, key->offset, btrfs_root_id(root)); in btrfs_update_root()
169 ret = btrfs_search_slot(trans, root, key, path, in btrfs_update_root()
176 ret = btrfs_del_item(trans, root, path); in btrfs_update_root()
182 ret = btrfs_insert_empty_item(trans, root, path, in btrfs_update_root()
205 int btrfs_insert_root(struct btrfs_trans_handle *trans, struct btrfs_root *root, in btrfs_insert_root() argument
212 return btrfs_insert_item(trans, root, key, item, sizeof(*item)); in btrfs_insert_root()
221 struct btrfs_root *root; in btrfs_find_orphan_roots() local
262 root = btrfs_get_fs_root(fs_info, root_objectid, false); in btrfs_find_orphan_roots()
263 err = PTR_ERR_OR_ZERO(root); in btrfs_find_orphan_roots()
289 WARN_ON(!test_bit(BTRFS_ROOT_ORPHAN_ITEM_INSERTED, &root->state)); in btrfs_find_orphan_roots()
290 if (btrfs_root_refs(&root->root_item) == 0) { in btrfs_find_orphan_roots()
293 btrfs_disk_key_to_cpu(&drop_key, &root->root_item.drop_progress); in btrfs_find_orphan_roots()
303 set_bit(BTRFS_ROOT_UNFINISHED_DROP, &root->state); in btrfs_find_orphan_roots()
306 set_bit(BTRFS_ROOT_DEAD_TREE, &root->state); in btrfs_find_orphan_roots()
307 btrfs_add_dead_root(root); in btrfs_find_orphan_roots()
309 btrfs_put_root(root); in btrfs_find_orphan_roots()
320 struct btrfs_root *root = trans->fs_info->tree_root; in btrfs_del_root() local
327 ret = btrfs_search_slot(trans, root, key, path, -1, 1); in btrfs_del_root()
336 ret = btrfs_del_item(trans, root, path); in btrfs_del_root()
481 struct btrfs_root *root) in btrfs_update_root_times() argument
483 struct btrfs_root_item *item = &root->root_item; in btrfs_update_root_times()
487 spin_lock(&root->root_item_lock); in btrfs_update_root_times()
491 spin_unlock(&root->root_item_lock); in btrfs_update_root_times()
509 int btrfs_subvolume_reserve_metadata(struct btrfs_root *root, in btrfs_subvolume_reserve_metadata() argument
516 struct btrfs_fs_info *fs_info = root->fs_info; in btrfs_subvolume_reserve_metadata()
522 ret = btrfs_qgroup_reserve_meta_prealloc(root, in btrfs_subvolume_reserve_metadata()
539 btrfs_qgroup_free_meta_prealloc(root, qgroup_num_bytes); in btrfs_subvolume_reserve_metadata()