I am running latest 4.8.1, which I compiled on the machine itself.
Linux vm88 4.8.1 #1 SMP Thu Oct 13 10:33:08 IST 2016 x86_64 x86_64
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:
>> 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.
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