From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: Re: [PATCH v2 1/6] dax: Add block size note to documentation Date: Fri, 3 Jul 2015 22:03:29 -0700 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 Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, Alexander Viro , Matthew Wilcox To: Matthew Wilcox Return-path: Content-Disposition: inline In-Reply-To: <1435934443-17090-2-git-send-email-matthew.r.wilcox@intel.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-fsdevel.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.