XFS_TRANS_SB_IFREE
xfs_trans_mod_sb(tp, XFS_TRANS_SB_IFREE, -1);
xfs_trans_mod_sb(tp, XFS_TRANS_SB_IFREE, -1);
xfs_trans_mod_sb(tp, XFS_TRANS_SB_IFREE, -(ilen - 1));
xfs_trans_mod_sb(tp, XFS_TRANS_SB_IFREE, 1);
xfs_trans_mod_sb(tp, XFS_TRANS_SB_IFREE, (long)newlen);
case XFS_TRANS_SB_IFREE: