sgl_alloc
config->sgls[i] = sgl_alloc(buf_sz, GFP_KERNEL, &nent);
req->sg = sgl_alloc(nvmet_data_transfer_len(req), GFP_KERNEL,
req->metadata_sg = sgl_alloc(req->metadata_len, GFP_KERNEL,
sg = sgl_alloc(fod->req.transfer_len, GFP_KERNEL, &nent);
cmd->req.sg = sgl_alloc(len, GFP_KERNEL, &cmd->req.sg_cnt);
sgl = sgl_alloc(buf_len, GFP_KERNEL, &nents);
struct scatterlist *sgl_alloc(unsigned long long length, gfp_t gfp,
EXPORT_SYMBOL(sgl_alloc);