btrfs: use unsigned type for single bit bitfield

	 */

	unsigned long reservation_progress;

	int full:1;		/* indicates that we cannot allocate any more

	unsigned int full:1;	/* indicates that we cannot allocate any more

				   chunks for this space */

	int chunk_alloc:1;	/* set if we are allocating a chunk */

	unsigned int chunk_alloc:1;	/* set if we are allocating a chunk */

	int force_alloc;	/* set if we need to force a chunk alloc for

				   this space */

	unsigned int force_alloc;	/* set if we need to force a chunk

					   alloc for this space */

	struct list_head list;