From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754804AbbGDFDh (ORCPT ); Sat, 4 Jul 2015 01:03:37 -0400 Received: from bombadil.infradead.org ([198.137.202.9]:33413 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751856AbbGDFDa (ORCPT ); Sat, 4 Jul 2015 01:03:30 -0400 Date: Fri, 3 Jul 2015 22:03:29 -0700 From: Christoph Hellwig To: Matthew Wilcox Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, Alexander Viro , Matthew Wilcox Subject: Re: [PATCH v2 1/6] dax: Add block size note to documentation Message-ID: <20150704050329.GA22452@infradead.org> References: <1435934443-17090-1-git-send-email-matthew.r.wilcox@intel.com> <1435934443-17090-2-git-send-email-matthew.r.wilcox@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1435934443-17090-2-git-send-email-matthew.r.wilcox@intel.com> User-Agent: Mutt/1.5.23 (2014-03-12) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jul 03, 2015 at 10:40:38AM -0400, Matthew Wilcox wrote: > From: Matthew Wilcox > > For block devices which are small enough, mkfs will default to creating > a filesystem with block sizes smaller than page size. This seems like an odd note. At least for XFS and btrfs filesystem size don't change block sizes. ff this is an extN oddity you're probably better off documenting it there.