linux-kernel - Re: [PATCH] ceph: use ktime_get_real

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Message-ID: <CAOMdWS+BHKbRUJ91_S4dtv9ZYUEYdD3Yev+9drR+3nsiGu7f9A@mail.gmail.com>
Date:   Wed, 20 Jun 2018 20:12:25 +0530
From:   Allen <allen.lkml@...il.com>
To:     idryomov@...il.com
Cc:     netdev@...r.kernel.org, David Miller <davem@...emloft.net>,
        linux-kernel@...r.kernel.org, ceph-devel@...r.kernel.org,
        y2038@...ts.linaro.org
Subject: Re: [PATCH] ceph: use ktime_get_real_seconds()

> >
> > Use ktime_get_real_seconds() as get_seconds() is deprecated.
> >
> > Signed-off-by: Allen Pais <allen.lkml@...il.com>
> > ---
> >  net/ceph/auth_x.c | 10 +++++-----
> >  1 file changed, 5 insertions(+), 5 deletions(-)
> >
> > diff --git a/net/ceph/auth_x.c b/net/ceph/auth_x.c
> > index 2f4a1ba..99561c2 100644
> > --- a/net/ceph/auth_x.c
> > +++ b/net/ceph/auth_x.c
> > @@ -154,7 +154,7 @@ static int process_one_ticket(struct ceph_auth_client *ac,
> >         void **ptp;
> >         struct ceph_crypto_key new_session_key = { 0 };
> >         struct ceph_buffer *new_ticket_blob;
> > -       unsigned long new_expires, new_renew_after;
> > +       u32 new_expires, new_renew_after;
> >         u64 new_secret_id;
> >         int ret;
> >
> > @@ -191,9 +191,9 @@ static int process_one_ticket(struct ceph_auth_client *ac,
> >
> >         ceph_decode_timespec(&validity, dp);
> >         dp += sizeof(struct ceph_timespec);
> > -       new_expires = get_seconds() + validity.tv_sec;
> > +       new_expires = (u32)ktime_get_real_seconds() + validity.tv_sec;
>
> Why the change to u32 and this cast?  If the type has to change,
> wouldn't time64_t make more sense?  ktime_get_real_seconds() returns
> time64_t, after all.
>

 Right. I'll drop the cast and send out V2.

- Allen