From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Fri, 12 May 2017 12:31:47 +0100 From: Alasdair G Kergon Message-ID: <20170512113147.GJ6155@agk-dp.fab.redhat.com> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Subject: Re: [linux-lvm] Sector size is assumed 512 Reply-To: LVM general discussion and development List-Id: LVM general discussion and development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , List-Id: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Tomasz Lasko Cc: linux-lvm@redhat.com It's been a linux kernel coding standard to treat the sector size as always 512 bytes which we have adopted - regardless of the actual hardware underneath. S and s, and B and b mean the same. Both userspace and kernel code automatically respects alignment constraints imposed by the devices underneath, such as larger sector sizes. Alasdair