linux-master/lib/sg_split.c

81 	struct sg_splitter *split;
83 	for (i = 0, split = splitters; i < nb_splits; i++, split++) {
84 		in_sg = split->in_sg0;
85 		out_sg = split->out_sg;
86 		for (j = 0; j < split->nents; j++, out_sg++) {
89 				out_sg->offset += split->skip_sg0;
90 				out_sg->length -= split->skip_sg0;
98 		out_sg[-1].length = split->length_last_sg;
107 	struct sg_splitter *split;
109 	for (i = 0, split = splitters; i < nb_splits; i++, split++) {
110 		in_sg = split->in_sg0;
111 		out_sg = split->out_sg;
112 		for (j = 0; j < split->nents; j++, out_sg++) {
116 				sg_dma_address(out_sg) += split->skip_sg0;
117 				sg_dma_len(out_sg) -= split->skip_sg0;
121 		sg_dma_len(--out_sg) = split->length_last_sg;
126  * sg_split - split a scatterlist into several scatterlists
139  * The @in is split into :