From mboxrd@z Thu Jan 1 00:00:00 1970 From: Theodore Tso Subject: Re: [PATCH V2] reject too-large filesystems on 32-bit kernels Date: Mon, 17 Aug 2009 23:47:24 -0400 Message-ID: <20090818034724.GA27339@mit.edu> References: <4A833CED.2010708@redhat.com> <4A83427F.60106@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: ext4 development To: Eric Sandeen Return-path: Received: from thunk.org ([69.25.196.29]:38500 "EHLO thunker.thunk.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750802AbZHRDr0 (ORCPT ); Mon, 17 Aug 2009 23:47:26 -0400 Content-Disposition: inline In-Reply-To: <4A83427F.60106@redhat.com> Sender: linux-ext4-owner@vger.kernel.org List-ID: On Wed, Aug 12, 2009 at 05:30:23PM -0500, Eric Sandeen wrote: > ext4 will happily mount a > 16T filesystem on a 32-bit box, but > this is not safe; writes to the block device will wrap past 16T > and the page cache can't index past 16T (232 index * 4k pages). Applied in the ext4 patch queue, with minor changes to take into account the use of ext4_msg(). - Ted