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SubjectRe: [PATCH] nfs4: The difference of 2 pointers is size_t
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On Thu, Oct 28, 2010 at 20:25, Andrew Morton <akpm@linux-foundation.org> wrote:
> On Thu, 28 Oct 2010 20:06:19 +0200 (CEST)
> Geert Uytterhoeven <geert@linux-m68k.org> wrote:
>
>> On m68k, which is 32-bit:
>>
>> fs/nfs/nfs4proc.c: In function ___nfs41_sequence_done___:
>> fs/nfs/nfs4proc.c:432: warning: format ___%ld___ expects type ___long int___, but argument 3 has type ___int___
>> fs/nfs/nfs4proc.c: In function ___nfs4_setup_sequence___:
>> fs/nfs/nfs4proc.c:576: warning: format ___%ld___ expects type ___long int___, but argument 5 has type ___int___
>>
>> On 32-bit, size_t is int; on 64-bit, size_t is long.
>>
>> Introduced by commit dfb4f309830359352539919f23accc59a20a3758 ("NFSv4.1: keep
>> seq_res.sr_slot as pointer rather than an index")
>>
>> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
>> ---
>>  fs/nfs/nfs4proc.c |    4 ++--
>>  1 files changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
>> index 32c8758..80229dc 100644
>> --- a/fs/nfs/nfs4proc.c
>> +++ b/fs/nfs/nfs4proc.c
>> @@ -429,7 +429,7 @@ static int nfs41_sequence_done(struct rpc_task *task, struct nfs4_sequence_res *
>>                * returned NFS4ERR_DELAY as per Section 2.10.6.2
>>                * of RFC5661.
>>                */
>> -             dprintk("%s: slot=%ld seq=%d: Operation in progress\n",
>> +             dprintk("%s: slot=%zd seq=%d: Operation in progress\n",
>>                       __func__,
>>                       res->sr_slot - res->sr_session->fc_slot_table.slots,
>>                       res->sr_slot->seq_nr);
>> @@ -573,7 +573,7 @@ int nfs4_setup_sequence(const struct nfs_server *server,
>>               goto out;
>>       }
>>
>> -     dprintk("--> %s clp %p session %p sr_slot %ld\n",
>> +     dprintk("--> %s clp %p session %p sr_slot %zd\n",
>>               __func__, session->clp, session, res->sr_slot ?
>>                       res->sr_slot - session->fc_slot_table.slots : -1);
>>
>
> I think it should formally be %t, for a ptrdiff_t.

You're correct.

I didn't know we "did" %t. I almost have enough fingers and toes to
count its users ;-)

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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