On 10/12/16 9:45 AM, Abhay Sachan wrote: > Hi Qu, > I am running latest 4.8.1, which I compiled on the machine itself.
You likely still have the fiemap.h from Centos' kernel-headers rpm, which is from an older kernel and does not define it. -Eric > Linux vm88 4.8.1 #1 SMP Thu Oct 13 10:33:08 IST 2016 x86_64 x86_64 > x86_64 GNU/Linux > > Regards, > Abhay > > On Wed, Oct 12, 2016 at 7:31 PM, Qu Wenruo <quwenruo.bt...@gmx.com> wrote: >> >> >> 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 majord...@vger.kernel.org >>> More majordomo info at http://vger.kernel.org/majordomo-info.html >>> >> > > > -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
