1 files changed, 1 insertions, 0 deletions

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 51f113119b25..f63cf7621a01 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -1038,6 +1038,7 @@ int btrfs_init_new_device(struct btrfs_root *root, char *device_path)
                 return -EIO;
         }
 
+        filemap_write_and_wait(bdev->bd_inode->i_mapping);
         mutex_lock(&root->fs_info->volume_mutex);
 
         trans = btrfs_start_transaction(root, 1);