Return-Path: linux-nfs-owner@vger.kernel.org Received: from toast.topped-with-meat.com ([204.197.218.159]:44782 "EHLO topped-with-meat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754998Ab2EJRKU (ORCPT ); Thu, 10 May 2012 13:10:20 -0400 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii From: Roland McGrath To: David Howells Cc: Andreas Dilger , Dave Chinner , "adilger@dilger.ca" , "bfields@fieldses.org" , "smfrench@gmail.com" , "ben@decadent.org.uk" , "Trond.Myklebust@netapp.com" , "linux-fsdevel@vger.kernel.org" , "linux-nfs@vger.kernel.org" , "linux-cifs@vger.kernel.org" , "samba-technical@lists.samba.org" , "linux-ext4@vger.kernel.org" , "linux-api@vger.kernel.org" , "libc-alpha@sourceware.org" Subject: Re: Extended file stat: Splitting file- and fs-specific info? In-Reply-To: David Howells's message of Thursday, 10 May 2012 10:23:14 +0100 <14477.1336641794@redhat.com> References: <73759631-F1E4-4352-9FE6-E9F576F793FB@gmail.com> <20120419140558.17272.74360.stgit@warthog.procyon.org.uk> <16281.1336508382@redhat.com> <20120509002420.GL5091@dastard> <14477.1336641794@redhat.com> Message-Id: <20120510171016.B45BA2C096@topped-with-meat.com> Date: Thu, 10 May 2012 10:10:16 -0700 (PDT) Sender: linux-nfs-owner@vger.kernel.org List-ID: POSIX specifies st_blksize thusly: "A file system-specific preferred I/O block size for this object. In some file system types, this may vary from file to file." Since there is only one available to POSIX applications, it should map to the one that's described as "preferred IO size for general usage". Thanks, Roland