797 	struct btrfs_pending_snapshot *pending_snapshot;  in create_snapshot()  local
810 	pending_snapshot = kzalloc(sizeof(*pending_snapshot), GFP_KERNEL);  in create_snapshot()
811 	if (!pending_snapshot)  in create_snapshot()
814 	ret = get_anon_bdev(&pending_snapshot->anon_dev);  in create_snapshot()
817 	pending_snapshot->root_item = kzalloc(sizeof(struct btrfs_root_item),  in create_snapshot()
819 	pending_snapshot->path = btrfs_alloc_path();  in create_snapshot()
820 	if (!pending_snapshot->root_item || !pending_snapshot->path) {  in create_snapshot()
825 	btrfs_init_block_rsv(&pending_snapshot->block_rsv,  in create_snapshot()
836 					&pending_snapshot->block_rsv, 8,  in create_snapshot()
841 	pending_snapshot->dentry = dentry;  in create_snapshot()
842 	pending_snapshot->root = root;  in create_snapshot()
843 	pending_snapshot->readonly = readonly;  in create_snapshot()
844 	pending_snapshot->dir = dir;  in create_snapshot()
845 	pending_snapshot->inherit = inherit;  in create_snapshot()
854 	list_add(&pending_snapshot->list,  in create_snapshot()
862 	ret = pending_snapshot->error;  in create_snapshot()
866 	ret = btrfs_orphan_cleanup(pending_snapshot->snap);  in create_snapshot()
878 	pending_snapshot->anon_dev = 0;  in create_snapshot()
881 	if (ret && pending_snapshot->snap)  in create_snapshot()
882 		pending_snapshot->snap->anon_dev = 0;  in create_snapshot()
883 	btrfs_put_root(pending_snapshot->snap);  in create_snapshot()
884 	btrfs_subvolume_release_metadata(root, &pending_snapshot->block_rsv);  in create_snapshot()
886 	if (pending_snapshot->anon_dev)  in create_snapshot()
887 		free_anon_bdev(pending_snapshot->anon_dev);  in create_snapshot()
888 	kfree(pending_snapshot->root_item);  in create_snapshot()
889 	btrfs_free_path(pending_snapshot->path);  in create_snapshot()
890 	kfree(pending_snapshot);  in create_snapshot()