diff --git a/fs/jfs/inode.c b/fs/jfs/inode.c
index 980aa3300f106fae9f514fee4dec1e704dcc3dde..515cd45d0386dd8e957f8b7afd819949e165090a 100644
--- a/fs/jfs/inode.c
+++ b/fs/jfs/inode.c
@@ -379,7 +379,7 @@ void jfs_truncate_nolock(struct inode *ip, loff_t length)
 
 	ASSERT(length >= 0);
 
-	if (test_cflag(COMMIT_Nolink, ip)) {
+	if (test_cflag(COMMIT_Nolink, ip) || isReadOnly(ip)) {
 		xtTruncate(0, ip, length, COMMIT_WMAP);
 		return;
 	}