XFS_AGI_NUM_BITS_R1  770 fs/xfs/libxfs/xfs_format.h #define	XFS_AGI_ALL_BITS_R1	((1 << XFS_AGI_NUM_BITS_R1) - 1)
XFS_AGI_NUM_BITS_R1 2449 fs/xfs/libxfs/xfs_ialloc.c 		xfs_btree_offsets(fields, offsets, XFS_AGI_NUM_BITS_R1,