Btrfs: remove repeated eb->pages check in, disk-io.c/csum_dirty_buffer
authorWang Sheng-Hui <shhuiw@gmail.com>
Mon, 8 Oct 2012 13:26:15 +0000 (07:26 -0600)
committerChris Mason <chris.mason@fusionio.com>
Tue, 9 Oct 2012 13:37:30 +0000 (09:37 -0400)
In csum_dirty_buffer, we first get eb from page->private.
Then we check if the page is the first page of eb. Later
we check it again. Remove the repeated check here.

Signed-off-by: Wang Sheng-Hui <shhuiw@gmail.com>
fs/btrfs/disk-io.c

index 83552368770796471f21f5af7218813139d3c9e2..7cda51995c1e589eaf36fe048518bbbe0bd21109 100644 (file)
@@ -433,10 +433,6 @@ static int csum_dirty_buffer(struct btrfs_root *root, struct page *page)
                WARN_ON(1);
                return 0;
        }
-       if (eb->pages[0] != page) {
-               WARN_ON(1);
-               return 0;
-       }
        if (!PageUptodate(page)) {
                WARN_ON(1);
                return 0;