gfs2: Get rid of gfs2_write_calc_reserv in gfs2_iomap_begin_write

Compute the number of blocks to allocate in gfs2_compute_alloc_size.
This allows to get rid of gfs2_write_calc_reserv in
gfs2_iomap_begin_write.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
1 file changed