[PATCH v3 16/31] btrfs: make btrfs_page_mkwrite() to be subpage compatible

[Qu Wenruo <wqu@suse.com>]

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>
---
 fs/btrfs/inode.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 5011f407c85c..39049a614b7c 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -8621,8 +8621,9 @@ vm_fault_t btrfs_page_mkwrite(struct vm_fault *vmf)
 		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));
 
-- 
2.31.1