Re: [PATCH 0/4] ceph: implement later versions of MClientRequest headers

[Xiubo Li <xiubli@redhat.com>]

On 2020/12/10 2:53, Jeff Layton wrote:
> A few years ago, userland ceph added support for changing the birthtime
> via setattr, as well as support for sending supplementary groups in a
> MDS request.
>
> This patchset updates the kclient to use the newer protocol. The
> necessary structures are extended and the code is changed to support the
> newer formats when it detects that the MDS will support it.
>
> Supplementary groups will now be transmitted in the request, but for now
> the setting of btime is not implemented.
>
> This is a prerequisite step to adding support for the new "alternate
> name" field that Xiubo has been working on, which we'll need for
> proper fscrypt support.
>
> Jeff Layton (4):
>    ceph: don't reach into request header for readdir info
>    ceph: take a cred reference instead of tracking individual uid/gid
>    ceph: clean up argument lists to __prepare_send_request and
>      __send_request
>    ceph: implement updated ceph_mds_request_head structure
>
>   fs/ceph/inode.c              |  5 +-
>   fs/ceph/mds_client.c         | 98 ++++++++++++++++++++++++++----------
>   fs/ceph/mds_client.h         |  3 +-
>   include/linux/ceph/ceph_fs.h | 32 +++++++++++-
>   4 files changed, 106 insertions(+), 32 deletions(-)
>
This series looks good to me.

Reviewed-by: Xiubo Li <xiubli@redhat.com>