From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753044AbZHaM74 (ORCPT ); Mon, 31 Aug 2009 08:59:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752874AbZHaM7z (ORCPT ); Mon, 31 Aug 2009 08:59:55 -0400 Received: from isrv.corpit.ru ([81.13.33.159]:40099 "EHLO isrv.corpit.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752531AbZHaM7z (ORCPT ); Mon, 31 Aug 2009 08:59:55 -0400 Message-ID: <4A9BC94B.9050808@msgid.tls.msk.ru> Date: Mon, 31 Aug 2009 16:59:55 +0400 From: Michael Tokarev Organization: Telecom Service, JSC User-Agent: Mozilla-Thunderbird 2.0.0.22 (X11/20090706) MIME-Version: 1.0 To: Mark Lord CC: Christoph Hellwig , Linux-kernel , linux-fsdevel , xfs@oss.sgi.com Subject: Re: xfs compat_ioctl? References: <4A9B759B.7020401@msgid.tls.msk.ru> <20090831123010.GA2368@infradead.org> <4A9BC8A6.20503@rtr.ca> In-Reply-To: <4A9BC8A6.20503@rtr.ca> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Mark Lord wrote: > Christoph Hellwig wrote: >> On Mon, Aug 31, 2009 at 11:02:51AM +0400, Michael Tokarev wrote: >>> Hello! >>> >>> I tried to resize an xfs filesystem on 64bit 2.6.30 kernel >>> using 32bit userland, and that does not work, in dmesg I see: >>> >>> ioctl32(xfs_growfs:24426): Unknown cmd fd(3) >>> cmd(400c586e){t:'X';sz:12} arg(ffa56df4) on /mnt >>> ioctl32(xfs_growfs:24427): Unknown cmd fd(3) >>> cmd(400c586e){t:'X';sz:12} arg(ff991254) on /mnt >>> >>> so apparently there's no compat_ioctl layer for these ioctls. >>> >>> Are there any plans to add these? :) >> >> Are you sure you're testing 2.6.30? The copat ioctls were added in >> 2.6.28. > > What command-line flags were you using, Michael ? > > I just tried a simple "xfs_growfs -d" here, and it worked fine. > This is 2.6.31-rc7-64bit on top of a 32-bit userland. Damn. I rebooted to 2.6.27 to test something unrelated, forgot about it, and later tried xfs_growfs -d, which failed as per above. And yes indeed, in 2.6.30 everything works as expected. Please excuse me for the noise. /mjt