diff --git a/fs/exofs/file.c b/fs/exofs/file.c
index 906de66..28645f0 100644
--- a/fs/exofs/file.c
+++ b/fs/exofs/file.c
@@ -52,9 +52,9 @@
 	if (ret)
 		return ret;
 
-	mutex_lock(&inode->i_mutex);
+	inode_lock(inode);
 	ret = sync_inode_metadata(filp->f_mapping->host, 1);
-	mutex_unlock(&inode->i_mutex);
+	inode_unlock(inode);
 	return ret;
 }