On Wed, Apr 13, 2016 at 11:57:57AM -0700, Bart Van Assche wrote:
> On 04/11/2016 02:32 PM, Christoph Hellwig wrote:
>> static int srpt_get_desc_tbl(struct srpt_send_ioctx *ioctx,
>> - struct srp_cmd *srp_cmd,
>> - enum dma_data_direction *dir, u64 *data_len)
>> + struct srp_cmd *srp_cmd, enum dma_data_direction *dir,
>> + struct scatterlist **sg, unsigned *sg_cnt, u64 *data_len)
>> {
> [ ... ]
>>
>> - db = idb->desc_list;
>> - memcpy(ioctx->rbufs, db, ioctx->n_rbuf * sizeof(*db));
>> *data_len = be32_to_cpu(idb->len);
>> + return srpt_alloc_rw_ctxs(ioctx, idb->desc_list, nbufs,
>> + sg, sg_cnt);
>> + } else {
>> + *data_len = 0;
>> + return 0;
>> }
>> -out:
>> - return ret;
>> }
>
> srpt_get_desc_tbl() only has one caller. Have you considered to move
> srpt_alloc_rw_ctxs() from this function to the caller of
> srpt_get_desc_tbl()?
I looked into a couple options. srpt_alloc_rw_ctxs needs the
pointer to the srp_direct_buf array, and the number of buffers, so we'd
need two more output arguments to srpt_get_desc_tbl, so it didn't
seem worthwhile to me. If you want me to make the change anyway, I can
update the patch.
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