Messages in this thread | | | From | Deepa Dinamani <> | Date | Wed, 3 Feb 2016 08:17:23 -0800 | Subject | Re: [PATCH 09/10] fs: ceph: Replace CURRENT_TIME by ktime_get_real_ts() |
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On Wed, Feb 03, 2016 at 10:34:00PM +0800, Yan, Zheng wrote: > On Wed, Feb 3, 2016 at 2:07 PM, Deepa Dinamani <deepa.kernel@gmail.com> 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@gmail.com> > > Cc: "Yan, Zheng" <zyan@redhat.com> > > Cc: Sage Weil <sage@redhat.com> > > Cc: Ilya Dryomov <idryomov@gmail.com> > > Cc: ceph-devel@vger.kernel.org > > --- > > 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
Ok. I missed this commit b8e69066d8afa8d2670dc697252ff0e5907aafad earlier which says that the r_stamp is used as ctime now. I had assumed that this is a message timestamp.
I was not able to find any documentation on what the server does with the message sent by the client. Where can I find that?
So, this should actually look like
req->r_stamp = current_fs_time(mdsc->fsc->sb);
Let me know if you want me to resend.
-Deepa
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