Re: [PATCH 09/10] fs: ceph: Replace CURRENT_TIME by ktime_get_real_ts()
From: Yan, Zheng
Date: Wed Feb 03 2016 - 09:34:07 EST
On Wed, Feb 3, 2016 at 2:07 PM, Deepa Dinamani <deepa.kernel@xxxxxxxxx> wrote:
> This is in preparation for the series that transitions
> filesystem timestamps to use 64 bit time and hence make
> them y2038 safe.
>
> CURRENT_TIME macro will be deleted before merging the
> aforementioned series.
>
> Filesystems will use current_fs_time() instead of
> CURRENT_TIME.
> Use ktime_get_real_ts() here as this is not filesystem time.
> ktime_get_real_ts() returns the timestamp in ns which can
> be used to calculate MDS request timestamp.
>
> Signed-off-by: Deepa Dinamani <deepa.kernel@xxxxxxxxx>
> Cc: "Yan, Zheng" <zyan@xxxxxxxxxx>
> Cc: Sage Weil <sage@xxxxxxxxxx>
> Cc: Ilya Dryomov <idryomov@xxxxxxxxx>
> Cc: ceph-devel@xxxxxxxxxxxxxxx
> ---
> fs/ceph/mds_client.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
> index e7b130a..348b22e 100644
> --- a/fs/ceph/mds_client.c
> +++ b/fs/ceph/mds_client.c
> @@ -1721,7 +1721,7 @@ 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 = CURRENT_TIME;
> + ktime_get_real_ts(&req->r_stamp);
I think we should use current_fs_time() here. I have squash the change
into another patch
>
> req->r_op = op;
> req->r_direct_mode = mode;
> --
> 1.9.1
>