From: Theodore Tso Subject: Re: BUG: unable to handle kernel NULL pointer dereference at 00000000 [ext4_new_meta_blocks+0x7c/0xb7] Date: Fri, 2 Jan 2009 00:08:54 -0500 Message-ID: <20090102050854.GH17821@mit.edu> References: <20081209104121.GA7572@skywalker> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Ext4 Developers List To: "Aneesh Kumar K.V" Return-path: Received: from thunk.org ([69.25.196.29]:60693 "EHLO thunker.thunk.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750712AbZABFI5 (ORCPT ); Fri, 2 Jan 2009 00:08:57 -0500 Content-Disposition: inline In-Reply-To: <20081209104121.GA7572@skywalker> Sender: linux-ext4-owner@vger.kernel.org List-ID: On Tue, Dec 09, 2008 at 04:11:22PM +0530, Aneesh Kumar K.V wrote: > > I have one question regarding the patch. What about blocks allocated for > directories for the ext3 format. With extent format we are not > setting EXT4_MB_HINT_DATA for non regular files. So i guess we also > need the below patch . I've updated the remove-ext4_new_blocks to include your suggested patch. I would like to try implementing a new, more intelligent allocation algorithm later, though. - Ted