[libvirt] [PATCH 01/10] rbd: depend on diff_iterate2

[Daniel P. Berrangé]

On Wed, Apr 03, 2019 at 07:40:16AM +0200, Ján Tomko wrote:
> This function was added by
> commit 6d5b969d4206208e91ca807b09aac75f2f428393
>     librbd: add diff_iterate2 to API
> git describe: v0.94-1009-g6d5b969d42 contains: v9.0.1~55^2~27
> 
> Effectively bump the required version to 9.0.1 now that we no
> longer try to support Debian 8.
> 
> Ubuntu 16.04 has 10.2.11:
> https://repology.org/project/ceph/versions

This version only arrived in RHEL-7.6.  We've not said whether our
support policy applies to only the version latest update or RHEL
or not.  To me though it feels too soon to mandate RHEL-7.6 only
as people are generally pretty slow to update to latest releases.

> 
> Signed-off-by: Ján Tomko <jtomko at redhat.com>
> ---
>  m4/virt-storage-rbd.m4 | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/m4/virt-storage-rbd.m4 b/m4/virt-storage-rbd.m4
> index f3d9d04908..a54cdb2cd1 100644
> --- a/m4/virt-storage-rbd.m4
> +++ b/m4/virt-storage-rbd.m4
> @@ -32,7 +32,7 @@ AC_DEFUN([LIBVIRT_STORAGE_CHECK_RBD], [
>  
>        old_LIBS="$LIBS"
>        LIBS="$LIBS $LIBRBD_LIBS"
> -      AC_CHECK_FUNCS([rbd_get_features],[],[LIBRBD_FOUND=no])
> +      AC_CHECK_FUNCS([rbd_diff_iterate2],[],[LIBRBD_FOUND=no])
>        AC_CHECK_FUNCS([rbd_list2])
>        LIBS="$old_LIBS"
>      fi
> -- 
> 2.19.2
> 
> --
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Regards,
Daniel
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