[dm-devel] dm writecache: remove unused variable sz in writecache_status

[shenghui]

On 10/25/2018 11:46 AM, Mike Snitzer wrote:
> On Wed, Oct 24 2018 at 10:38pm -0400,
> Shenghui Wang <shhuiw at foxmail.com> wrote:
> 
>> sz defined but not used in writecache_status. Remove it.
>>
>> Signed-off-by: Shenghui Wang <shhuiw at foxmail.com>
>> ---
>>  drivers/md/dm-writecache.c | 1 -
>>  1 file changed, 1 deletion(-)
>>
>> diff --git a/drivers/md/dm-writecache.c b/drivers/md/dm-writecache.c
>> index 5f1f80d424dd..562c32f644b8 100644
>> --- a/drivers/md/dm-writecache.c
>> +++ b/drivers/md/dm-writecache.c
>> @@ -2226,7 +2226,6 @@ static void writecache_status(struct dm_target *ti, status_type_t type,
>>  {
>>  	struct dm_writecache *wc = ti->private;
>>  	unsigned extra_args;
>> -	unsigned sz = 0;
>>  	uint64_t x;
>>  
>>  	switch (type) {
> 
> Have you even compile tested this patch?
> 
> DMEMIT implicitly uses sz.  Not saying I like this, but it is what it
> is.
> 
> Nacked-by: Mike Snitzer <snitzer at redhat.com>
> 
Sorry.

Regards,
shenghui
>