Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable

[deliverable/linux.git] / fs / btrfs / disk-io.c

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index fdce8799b98d9e909a5e2b95b87a08a62b758cda..e1aa8d607bc7d1a85734d9d28f26c8cd6efff585 100644 (file)
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -359,10 +359,14 @@ static int csum_dirty_buffer(struct btrfs_root *root, struct page *page)
 
        tree = &BTRFS_I(page->mapping->host)->io_tree;
 
-       if (page->private == EXTENT_PAGE_PRIVATE)
+       if (page->private == EXTENT_PAGE_PRIVATE) {
+               WARN_ON(1);
                goto out;
-       if (!page->private)
+       }
+       if (!page->private) {
+               WARN_ON(1);
                goto out;
+       }
        len = page->private >> 2;
        WARN_ON(len == 0);