lfs_dblksize
(long) lfs_dblksize(fs, dp, lastbn + 1), 0, &bp);
(long) lfs_dblksize(fs, dp, lastbn + 1), 0, &bp);
rfw_update_single(vp, lbn, *dap, lfs_dblksize(fs, dp, lbn));
lfs_dblksize(fs, dp, i));
#define dblksize(a, b, c) lfs_dblksize((a), (b), (c))
#define dblksize(a, b, c) lfs_dblksize((a), (b), (c))