((xfs_bmbt_rec_base_t)blockcount &
(xfs_bmbt_rec_base_t)XFS_MASK64LO(21));
#else /* !XFS_BIG_BLKNOS */
- if (ISNULLSTARTBLOCK(b)) {
+ if (ISNULLSTARTBLOCK(startblock)) {
r->l0 = ((xfs_bmbt_rec_base_t)extent_flag << 63) |
((xfs_bmbt_rec_base_t)startoff << 9) |
(xfs_bmbt_rec_base_t)XFS_MASK64LO(9);
((xfs_bmbt_rec_base_t)blockcount &
(xfs_bmbt_rec_base_t)XFS_MASK64LO(21)));
#else /* !XFS_BIG_BLKNOS */
- if (ISNULLSTARTBLOCK(b)) {
+ if (ISNULLSTARTBLOCK(startblock)) {
r->l0 = cpu_to_be64(
((xfs_bmbt_rec_base_t)extent_flag << 63) |
((xfs_bmbt_rec_base_t)startoff << 9) |