On 09/09/2014 12:43 PM, Christoph Hellwig wrote:
> On Tue, Sep 09, 2014 at 09:05:46PM +0800, Ming Lei wrote:
>> This patch introduces 'struct blk_flush_queue' and puts all
>> flush machinery related stuff into this strcuture, so that
>
> s/stuff/fields/
> s/strcuture/structure/
>
> Looks good, but a few more nitpicks below.
>
> Reviewed-by: Christoph Hellwig <hch@xxxxxx>
>
>> +int blk_init_flush(struct request_queue *q)
>> +{
>> + int ret;
>> + struct blk_flush_queue *fq = kzalloc(sizeof(*fq), GFP_KERNEL);
>>
>> + if (!fq)
>> return -ENOMEM;
>>
>> + q->fq = fq;
>
> I think it would be cleaner to return the flush data structure and
> assign it in the caller.
I was going to suggest renaming because of this as well. If we do this:
q->fq = blk_init_flush(q);
then it's immediately clear what it does, whereas blk_init_flush(q)
means very little on its own. I'd change the naming to
blk_alloc_flush_queue() and blk_free_flush_queue().
--
Jens Axboe
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