diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c
index 4d1dbc16fcd47145f7a34e8111764f5531f7cf49..a428d528220f4cc1e112fa1c72372c392fc23fa3 100644
--- a/fs/btrfs/dev-replace.c
+++ b/fs/btrfs/dev-replace.c
@@ -693,13 +693,13 @@ void btrfs_dev_replace_status(struct btrfs_fs_info *fs_info,
 	btrfs_dev_replace_unlock(dev_replace, 0);
 }
 
-u64 btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info)
+int btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info)
 {
 	struct btrfs_dev_replace *dev_replace = &fs_info->dev_replace;
 	struct btrfs_device *tgt_device = NULL;
 	struct btrfs_trans_handle *trans;
 	struct btrfs_root *root = fs_info->tree_root;
-	u64 result;
+	int result;
 	int ret;
 
 	if (sb_rdonly(fs_info->sb))
diff --git a/fs/btrfs/dev-replace.h b/fs/btrfs/dev-replace.h
index 6c3543d93e969853ec78897fde2f4fb7b4e3ae4a..389de365b0db92a649bcbbccf61799a2239d7e84 100644
--- a/fs/btrfs/dev-replace.h
+++ b/fs/btrfs/dev-replace.h
@@ -32,7 +32,7 @@ int btrfs_dev_replace_start(struct btrfs_fs_info *fs_info,
 		int read_src);
 void btrfs_dev_replace_status(struct btrfs_fs_info *fs_info,
 			      struct btrfs_ioctl_dev_replace_args *args);
-u64 btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info);
+int btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info);
 void btrfs_dev_replace_suspend_for_unmount(struct btrfs_fs_info *fs_info);
 int btrfs_resume_dev_replace_async(struct btrfs_fs_info *fs_info);
 int btrfs_dev_replace_is_ongoing(struct btrfs_dev_replace *dev_replace);