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2024-01-03 2f7c68cb55ecb7331f2381deb497c27155f32faf

 kernel/fs/jfs/namei.c
.. .. @@ -798,6 +798,11 @@
798 798  	if (rc)
799 799  		goto out;
800 800  
801 +	if (isReadOnly(ip)) {
802 +		jfs_error(ip->i_sb, "read-only filesystem\n");
803 +		return -EROFS;
804 +	}
805 +
801 806  	tid = txBegin(ip->i_sb, 0);
802 807  
803 808  	mutex_lock_nested(&JFS_IP(dir)->commit_mutex, COMMIT_MUTEX_PARENT);

..	..	@@ -798,6 +798,11 @@
798	798	if (rc)
799	799	goto out;
800	800
	801	+ if (isReadOnly(ip)) {
	802	+ jfs_error(ip->i_sb, "read-only filesystem\n");
	803	+ return -EROFS;
	804	+ }
	805	+
801	806	tid = txBegin(ip->i_sb, 0);
802	807
803	808	mutex_lock_nested(&JFS_IP(dir)->commit_mutex, COMMIT_MUTEX_PARENT);