Btrfs: disallow mutually exclusive admin operations from user mode

[deliverable/linux.git] / fs / btrfs / ctree.h

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 147406d0f9a9d7e30a8601474e423ebb2d91bc81..e9dc78014f0953bc712ad823961889f5572af70a 100644 (file)
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -1527,6 +1527,8 @@ struct btrfs_fs_info {
 
        /* device replace state */
        struct btrfs_dev_replace dev_replace;
+
+       atomic_t mutually_exclusive_operation_running;
 };
 
 /*