From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mout.gmx.net ([212.227.17.22]:63841 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754864AbcJLODB (ORCPT ); Wed, 12 Oct 2016 10:03:01 -0400 Subject: Re: Btrfs progs build fails for 4.8 To: Abhay Sachan , linux-btrfs@vger.kernel.org References: From: Qu Wenruo Message-ID: <454e3eda-1e46-4964-2ce5-f71893bd93e7@gmx.com> Date: Wed, 12 Oct 2016 22:01:27 +0800 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Sender: linux-btrfs-owner@vger.kernel.org List-ID: On 10/12/2016 09:58 PM, Abhay Sachan wrote: > Hi, > I tried building latest btrfs progs on CentOS 6, "./configure" failed > with the error: > > checking for FIEMAP_EXTENT_SHARED defined in linux/fiemap.h... no > configure: error: no definition of FIEMAP_EXTENT_SHARED found > > Any ideas what am I lacking in the system? Your kernel is too old and its header doesn't support FIEMAP_EXTENT_SHARED flag for fiemap ioctl. And since that flag is very important for tools like "btrfs filesystem du", for old kernel doesn't support EXTENT_SHARED flag, we have no choice but abort configuration. Thanks, Qu > > Regards, > Abhay > -- > To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html >