btrfs: make btrfs_page_mkwrite() to be subpage compatible

Only set_page_dirty() and SetPageUptodate() is not subpage compatible.
Convert them to subpage helpers, so that __extent_writepage_io() can
submit page content correctly.

Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 9295472b593a676c2d352a41070bf66e96ece378..d3928d87bca5c5d99de73e658da1e01021dc2ad7 100644 (file)
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -8653,8 +8653,8 @@ again:
                flush_dcache_page(page);
        }
        ClearPageChecked(page);
-       set_page_dirty(page);
-       SetPageUptodate(page);
+       btrfs_page_set_dirty(fs_info, page, page_start, end + 1 - page_start);
+       btrfs_page_set_uptodate(fs_info, page, page_start, end + 1 - page_start);
 
        btrfs_set_inode_last_sub_trans(BTRFS_I(inode));