1 files changed, 3 insertions, 0 deletions

diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h
index 1f6f25a5787f..9b41e4d3984d 100644
--- a/fs/btrfs/volumes.h
+++ b/fs/btrfs/volumes.h
@@ -42,6 +42,9 @@ struct btrfs_device {
 
         struct block_device *bdev;
 
+        /* the mode sent to open_bdev_exclusive */
+        fmode_t mode;
+
         char *name;
 
         /* the internal btrfs device id */