Btrfs: Properly setup root key while reading the root

Signed-off-by: Chris Mason <chris.mason@oracle.com>

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 5accced2858a94f12af9092054f87d22c25f352c..5a7e60d7f443044cb457ec637dadabdad96c36e9 100644 (file)
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -410,6 +410,7 @@ struct btrfs_root *btrfs_read_fs_root_no_radix(struct btrfs_fs_info *fs_info,
        read_extent_buffer(l, &root->root_item,
               btrfs_item_ptr_offset(l, path->slots[0]),
               sizeof(root->root_item));
+       memcpy(&root->root_key, location, sizeof(*location));
        ret = 0;
 out:
        btrfs_release_path(root, path);