gfs2: don't use buffer_heads in gfs2_allocate_page_backing

Rewrite gfs2_allocate_page_backing to call gfs2_iomap_get_alloc and operate on
struct iomap directly.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
This commit is contained in:
Christoph Hellwig 2019-07-01 23:54:38 +02:00 • committed by Andreas Gruenbacher
commit 35af80aef9