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-rw-r--r--fs/btrfs/volumes.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index f31c33119bb..94334d95228 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -1639,7 +1639,7 @@ int btrfs_init_new_device(struct btrfs_root *root, char *device_path)
device->dev_root = root->fs_info->dev_root;
device->bdev = bdev;
device->in_fs_metadata = 1;
- device->mode = 0;
+ device->mode = FMODE_EXCL;
set_blocksize(device->bdev, 4096);
if (seeding_dev) {