diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 7df9921c1a38..d6e977ba6565 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -444,21 +444,26 @@ int ocfs2_truncate_file(struct inode *inode,
 	struct ocfs2_dinode *fe = NULL;
 	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
 
-	/* We trust di_bh because it comes from ocfs2_inode_lock(), which
-	 * already validated it */
+	/*
+	 * On local mounts ocfs2_inode_lock_update() skips the inode
+	 * refresh path, so truncation still needs to reject an inode
+	 * state that no longer matches di_bh.
+	 */
 	fe = (struct ocfs2_dinode *) di_bh->b_data;
 
 	trace_ocfs2_truncate_file((unsigned long long)OCFS2_I(inode)->ip_blkno,
 				  (unsigned long long)le64_to_cpu(fe->i_size),
 				  (unsigned long long)new_i_size);
 
-	mlog_bug_on_msg(le64_to_cpu(fe->i_size) != i_size_read(inode),
-			"Inode %llu, inode i_size = %lld != di "
-			"i_size = %llu, i_flags = 0x%x\n",
-			(unsigned long long)OCFS2_I(inode)->ip_blkno,
-			i_size_read(inode),
-			(unsigned long long)le64_to_cpu(fe->i_size),
-			le32_to_cpu(fe->i_flags));
+	if (unlikely(le64_to_cpu(fe->i_size) != i_size_read(inode))) {
+		status = ocfs2_error(inode->i_sb,
+				     "Inode %llu has inconsistent i_size: inode = %lld, dinode = %llu, i_flags = 0x%x\n",
+				     (unsigned long long)OCFS2_I(inode)->ip_blkno,
+				     i_size_read(inode),
+				     (unsigned long long)le64_to_cpu(fe->i_size),
+				     le32_to_cpu(fe->i_flags));
+		goto bail;
+	}
 
 	if (new_i_size > le64_to_cpu(fe->i_size)) {
 		trace_ocfs2_truncate_file_error(