btrfs: make end_bio_extent_writepage() to be subpage compatible

Now in end_bio_extent_writepage(), the only subpage incompatible code is
the end_page_writeback().

Just call the subpage helpers.

Tested-by: Ritesh Harjani <riteshh@linux.ibm.com> # [ppc64]
Tested-by: Anand Jain <anand.jain@oracle.com> # [aarch64]
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 3ecd23c..4220ef4 100644 (file)
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -2853,7 +2853,8 @@ static void end_bio_extent_writepage(struct bio *bio)
                }
 
                end_extent_writepage(page, error, start, end);
-               end_page_writeback(page);
+
+               btrfs_page_clear_writeback(fs_info, page, start, bvec->bv_len);
        }
 
        bio_put(bio);