XFS_DFORK_ASIZE
XFS_DFORK_ASIZE(dip, mp))
fork_recs = XFS_DFORK_ASIZE(dip, mp) / sizeof(struct xfs_bmbt_rec);
memmove(after, before, XFS_DFORK_ASIZE(dip, sc->mp));
bmdr_minsz > XFS_DFORK_ASIZE(dip, sc->mp)) {
ASSERT(len <= XFS_DFORK_ASIZE(dip, mp));
XFS_DFORK_ASIZE(dip, mp));