btrfs: convert writepage_delalloc() to take a folio

We already use a folio heavily in this function, pass the folio in
directly and use it everywhere, only passing the page down to functions
that do not take a folio yet.

Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
1 file changed