btrfs: Remove unnecessary ClearPageUptodate for raid56

PageUptodate flag already initialized to 0 for new page,
no need to set it again.

Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>

diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c
index 719dbc0..2bc34e9 100644 (file)
--- a/fs/btrfs/raid56.c
+++ b/fs/btrfs/raid56.c
@@ -1032,7 +1032,6 @@ static int alloc_rbio_pages(struct btrfs_raid_bio *rbio)
                if (!page)
                        return -ENOMEM;
                rbio->stripe_pages[i] = page;
-               ClearPageUptodate(page);
        }
        return 0;
 }
@@ -2273,7 +2272,6 @@ static int alloc_rbio_essential_pages(struct btrfs_raid_bio *rbio)
                        if (!page)
                                return -ENOMEM;
                        rbio->stripe_pages[index] = page;
-                       ClearPageUptodate(page);
                }
        }
        return 0;