XFBNO_BLOCKSIZE
#define XFBNO_BBSIZE (XFBNO_BLOCKSIZE >> BBSHIFT)
XFBNO_BLOCKSIZE - XFS_BTREE_LBLOCK_CRC_LEN, level == 0);
blocklen = XFBNO_BLOCKSIZE - XFS_BTREE_LBLOCK_CRC_LEN;
maxrecs = xfs_rtrmapbt_maxrecs(mp, XFBNO_BLOCKSIZE, level == 0);
maxrecs = rcbagbt_maxrecs(mp, XFBNO_BLOCKSIZE, level == 0);
blocklen = XFBNO_BLOCKSIZE - XFS_BTREE_LBLOCK_CRC_LEN;
blocklen = XFBNO_BLOCKSIZE - XFS_BTREE_LBLOCK_CRC_LEN;