The cephfs part (patch 2~5) looks good for me.
Regards
Yan, Zheng
On Sat, Jul 14, 2018 at 4:21 AM Arnd Bergmann <arnd@xxxxxxxx> wrote:
>
> ceph_mdsc_create_request() is one of the last callers of the
> deprecated current_kernel_time() as well as timespec_trunc().
>
> This changes it to use the timespec64 based interfaces instead,
> though we still need to convert the result until we are ready to
> change over req->r_stamp.
>
> The output of the two functions, ktime_get_coarse_real_ts64() and
> current_kernel_time() is the same coarse-granular timestamp,
> the only difference here is that ktime_get_coarse_real_ts64()
> doesn't overflow in 2038.
>
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> ---
> v2: add clarification that this is the same timestamp
> ---
> fs/ceph/mds_client.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
> index dc8bc664a871..69c839316a7a 100644
> --- a/fs/ceph/mds_client.c
> +++ b/fs/ceph/mds_client.c
> @@ -1779,6 +1779,7 @@ struct ceph_mds_request *
> ceph_mdsc_create_request(struct ceph_mds_client *mdsc, int op, int mode)
> {
> struct ceph_mds_request *req = kzalloc(sizeof(*req), GFP_NOFS);
> + struct timespec64 ts;
>
> if (!req)
> return ERR_PTR(-ENOMEM);
> @@ -1797,7 +1798,9 @@ ceph_mdsc_create_request(struct ceph_mds_client *mdsc, int op, int mode)
> init_completion(&req->r_safe_completion);
> INIT_LIST_HEAD(&req->r_unsafe_item);
>
> - req->r_stamp = timespec_trunc(current_kernel_time(), mdsc->fsc->sb->s_time_gran);
> + ktime_get_coarse_real_ts64(&ts);
> + req->r_stamp = timespec64_to_timespec(timespec64_trunc(ts,
> + mdsc->fsc->sb->s_time_gran));
>
> req->r_op = op;
> req->r_direct_mode = mode;
> --
> 2.9.0
>
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