Lines Matching refs:root
62 int btrfs_find_root(struct btrfs_root *root, const struct btrfs_key *search_key, in btrfs_find_root() argument
71 ret = btrfs_search_slot(NULL, root, search_key, path, 0, 0); in btrfs_find_root()
117 *root, struct btrfs_key *key, struct btrfs_root_item in btrfs_update_root()
120 struct btrfs_fs_info *fs_info = root->fs_info; in btrfs_update_root()
132 ret = btrfs_search_slot(trans, root, key, path, 0, 1); in btrfs_update_root()
140 root->root_key.objectid); in btrfs_update_root()
158 ret = btrfs_search_slot(trans, root, key, path, in btrfs_update_root()
165 ret = btrfs_del_item(trans, root, path); in btrfs_update_root()
171 ret = btrfs_insert_empty_item(trans, root, path, in btrfs_update_root()
195 int btrfs_insert_root(struct btrfs_trans_handle *trans, struct btrfs_root *root, in btrfs_insert_root() argument
202 return btrfs_insert_item(trans, root, key, item, sizeof(*item)); in btrfs_insert_root()
211 struct btrfs_root *root; in btrfs_find_orphan_roots() local
252 root = btrfs_get_fs_root(fs_info, root_objectid, false); in btrfs_find_orphan_roots()
253 err = PTR_ERR_OR_ZERO(root); in btrfs_find_orphan_roots()
279 WARN_ON(!test_bit(BTRFS_ROOT_ORPHAN_ITEM_INSERTED, &root->state)); in btrfs_find_orphan_roots()
280 if (btrfs_root_refs(&root->root_item) == 0) { in btrfs_find_orphan_roots()
281 set_bit(BTRFS_ROOT_DEAD_TREE, &root->state); in btrfs_find_orphan_roots()
282 btrfs_add_dead_root(root); in btrfs_find_orphan_roots()
284 btrfs_put_root(root); in btrfs_find_orphan_roots()
295 struct btrfs_root *root = trans->fs_info->tree_root; in btrfs_del_root() local
302 ret = btrfs_search_slot(trans, root, key, path, -1, 1); in btrfs_del_root()
308 ret = btrfs_del_item(trans, root, path); in btrfs_del_root()
456 struct btrfs_root *root) in btrfs_update_root_times() argument
458 struct btrfs_root_item *item = &root->root_item; in btrfs_update_root_times()
462 spin_lock(&root->root_item_lock); in btrfs_update_root_times()
466 spin_unlock(&root->root_item_lock); in btrfs_update_root_times()
483 int btrfs_subvolume_reserve_metadata(struct btrfs_root *root, in btrfs_subvolume_reserve_metadata() argument
490 struct btrfs_fs_info *fs_info = root->fs_info; in btrfs_subvolume_reserve_metadata()
496 ret = btrfs_qgroup_reserve_meta_prealloc(root, in btrfs_subvolume_reserve_metadata()
505 ret = btrfs_block_rsv_add(root, rsv, num_bytes, in btrfs_subvolume_reserve_metadata()
512 btrfs_qgroup_free_meta_prealloc(root, qgroup_num_bytes); in btrfs_subvolume_reserve_metadata()
522 void btrfs_subvolume_release_metadata(struct btrfs_root *root, in btrfs_subvolume_release_metadata() argument
525 struct btrfs_fs_info *fs_info = root->fs_info; in btrfs_subvolume_release_metadata()
529 btrfs_qgroup_convert_reserved_meta(root, qgroup_to_release); in btrfs_subvolume_release_metadata()