[PATCH 20/42] btrfs: make end_bio_extent_writepage() to be subpage compatible

[Qu Wenruo]

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

Just call the subpage helpers.

Signed-off-by: Qu Wenruo <w...@suse.com>
---
 fs/btrfs/extent_io.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index f40e229960d7..da2d4494c5c1 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -2808,7 +2808,8 @@ 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);
-- 
2.31.1