Re: [PATCH 3/3] SQUASHME: pnfs: filelayout: print_ds should use dprintk

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On Wed, Oct 27, 2010 at 4:06 PM, Benny Halevy <bhalevy@xxxxxxxxxxx> wrote:
> On 2010-10-27 21:49, Fred Isaman wrote:
>> The change to printk was in response to Trond's complaint about
>> successive dprintks.
>>
>> Instead, the following would work:
>>
>>
>> diff --git a/fs/nfs/nfs4filelayout.c b/fs/nfs/nfs4filelayout.c
>> index 5f52e6f..2ce393c 100644
>> --- a/fs/nfs/nfs4filelayout.c
>> +++ b/fs/nfs/nfs4filelayout.c
>> @@ -585,7 +585,8 @@ filelayout_commit(struct nfs_write_data *data, int sync)
>>               }
>
> If we're going this way, the ifdebug could cover the following
> printout as well...
>

Did you mean preceding printout?  By the way - the complaint about
successive dprintks was regarding
print_ds_list repeatedly calling print_ds, which at the time used dprintk.

Fred

> Benny
>
>>               dprintk("%s: Initiating commit: %llu USE DS:\n",
>>                       __func__, file_offset);
>> -             print_ds(ds);
>> +             ifdebug(FACILITY)
>> +                     print_ds(ds);
>>
>>               /* Send COMMIT to data server */
>>               nfs_initiate_commit(dsdata, clnt, call_ops, sync);
>>
>>
>> Fred
>>
>> On Wed, Oct 27, 2010 at 2:24 PM, Benny Halevy <bhalevy@xxxxxxxxxxx> wrote:
>>> rather than printk to prevent printouts in non-debug mode
>>> currently happening in filelayout_commit
>>>
>>> Signed-off-by: Benny Halevy <bhalevy@xxxxxxxxxxx>
>>> ---
>>>  fs/nfs/nfs4filelayoutdev.c |    9 ++++-----
>>>  1 files changed, 4 insertions(+), 5 deletions(-)
>>>
>>> diff --git a/fs/nfs/nfs4filelayoutdev.c b/fs/nfs/nfs4filelayoutdev.c
>>> index 1f0ab62..de47112 100644
>>> --- a/fs/nfs/nfs4filelayoutdev.c
>>> +++ b/fs/nfs/nfs4filelayoutdev.c
>>> @@ -53,10 +53,10 @@ void
>>>  print_ds(struct nfs4_pnfs_ds *ds)
>>>  {
>>>        if (ds == NULL) {
>>> -               printk("%s NULL device\n", __func__);
>>> +               dprintk("%s NULL device\n", __func__);
>>>                return;
>>>        }
>>> -       printk("        ip_addr %x port %hu\n"
>>> +       dprintk("        ip_addr %x port %hu\n"
>>>                "        ref count %d\n"
>>>                "        client %p\n"
>>>                "        cl_exchange_flags %x\n",
>>> @@ -71,7 +71,7 @@ print_ds_list(struct nfs4_file_layout_dsaddr *dsaddr)
>>>        int i;
>>>
>>>        ifdebug(FACILITY) {
>>> -               printk("%s dsaddr->ds_num %d\n", __func__,
>>> +               dprintk("%s dsaddr->ds_num %d\n", __func__,
>>>                       dsaddr->ds_num);
>>>                for (i = 0; i < dsaddr->ds_num; i++)
>>>                        print_ds(dsaddr->ds_list[i]);
>>> @@ -211,8 +211,7 @@ static void
>>>  destroy_ds(struct nfs4_pnfs_ds *ds)
>>>  {
>>>        dprintk("--> %s\n", __func__);
>>> -       ifdebug(FACILITY)
>>> -               print_ds(ds);
>>> +       print_ds(ds);
>>>
>>>        if (ds->ds_clp)
>>>                nfs_put_client(ds->ds_clp);
>>> --
>>> 1.7.2.3
>>>
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