19 struct chunk {  struct
54 	struct chunk *parity_chunk;
73 			struct chunk *chunk;  member
100 	struct chunk chunks[0];
162 raid5f_chunk_stripe_req(struct chunk *chunk)  in raid5f_chunk_stripe_req()  argument
164 	return SPDK_CONTAINEROF((chunk - chunk->index), struct stripe_request, chunks);  in raid5f_chunk_stripe_req()
286 	struct chunk *chunk;  in raid5f_xor_stripe()  local
287 	struct chunk *dest_chunk = NULL;  in raid5f_xor_stripe()
298 		dest_chunk = stripe_req->reconstruct.chunk;  in raid5f_xor_stripe()
304 	FOR_EACH_CHUNK(stripe_req, chunk) {  in raid5f_xor_stripe()
305 		if (chunk == dest_chunk) {  in raid5f_xor_stripe()
308 		r5ch->chunk_xor_iovs[c] = chunk->iovs;  in raid5f_xor_stripe()
309 		r5ch->chunk_xor_iovcnt[c] = chunk->iovcnt;  in raid5f_xor_stripe()
332 		FOR_EACH_CHUNK(stripe_req, chunk) {  in raid5f_xor_stripe()
333 			if (chunk != dest_chunk) {  in raid5f_xor_stripe()
334 				stripe_req->chunk_xor_md_buffers[c] = chunk->md_buf;  in raid5f_xor_stripe()
387 	struct chunk *chunk = cb_arg;  in raid5f_chunk_complete_bdev_io()  local
388 	struct stripe_request *stripe_req = raid5f_chunk_stripe_req(chunk);  in raid5f_chunk_complete_bdev_io()
425 raid5f_chunk_submit(struct chunk *chunk)  in raid5f_chunk_submit()  argument
427 	struct stripe_request *stripe_req = raid5f_chunk_stripe_req(chunk);  in raid5f_chunk_submit()
430 	struct raid_base_bdev_info *base_info = &raid_bdev->base_bdev_info[chunk->index];  in raid5f_chunk_submit()
432 					  chunk->index);  in raid5f_chunk_submit()
438 	io_opts.metadata = chunk->md_buf;  in raid5f_chunk_submit()
449 		ret = raid_bdev_writev_blocks_ext(base_info, base_ch, chunk->iovs, chunk->iovcnt,  in raid5f_chunk_submit()
451 						  raid5f_chunk_complete_bdev_io, chunk, &io_opts);  in raid5f_chunk_submit()
454 		if (chunk == stripe_req->reconstruct.chunk) {  in raid5f_chunk_submit()
461 		ret = raid_bdev_readv_blocks_ext(base_info, base_ch, chunk->iovs, chunk->iovcnt,  in raid5f_chunk_submit()
463 						 raid5f_chunk_complete_bdev_io, chunk, &io_opts);  in raid5f_chunk_submit()
503 raid5f_chunk_set_iovcnt(struct chunk *chunk, int iovcnt)  in raid5f_chunk_set_iovcnt()  argument
505 	if (iovcnt > chunk->iovcnt_max) {  in raid5f_chunk_set_iovcnt()
506 		struct iovec *iovs = chunk->iovs;  in raid5f_chunk_set_iovcnt()
512 		chunk->iovs = iovs;  in raid5f_chunk_set_iovcnt()
513 		chunk->iovcnt_max = iovcnt;  in raid5f_chunk_set_iovcnt()
515 	chunk->iovcnt = iovcnt;  in raid5f_chunk_set_iovcnt()
526 	struct chunk *chunk;  in raid5f_stripe_request_map_iovecs()  local
532 	FOR_EACH_DATA_CHUNK(stripe_req, chunk) {  in raid5f_stripe_request_map_iovecs()
548 		ret = raid5f_chunk_set_iovcnt(chunk, chunk_iovcnt);  in raid5f_stripe_request_map_iovecs()
554 			chunk->md_buf = raid_io->md_buf +  in raid5f_stripe_request_map_iovecs()
559 			struct iovec *chunk_iov = &chunk->iovs[i];  in raid5f_stripe_request_map_iovecs()
591 	struct chunk *start = &stripe_req->chunks[raid_io->base_bdev_io_submitted];  in raid5f_stripe_request_submit_chunks()
592 	struct chunk *chunk;  in raid5f_stripe_request_submit_chunks()  local
594 	FOR_EACH_CHUNK_FROM(stripe_req, chunk, start) {  in raid5f_stripe_request_submit_chunks()
595 		if (spdk_unlikely(raid5f_chunk_submit(chunk) != 0)) {  in raid5f_stripe_request_submit_chunks()
713 	struct chunk *chunk;  in raid5f_submit_reconstruct_read()  local
725 	stripe_req->reconstruct.chunk = &stripe_req->chunks[chunk_idx];  in raid5f_submit_reconstruct_read()
730 	FOR_EACH_CHUNK(stripe_req, chunk) {  in raid5f_submit_reconstruct_read()
731 		if (chunk == stripe_req->reconstruct.chunk) {  in raid5f_submit_reconstruct_read()
735 			ret = raid5f_chunk_set_iovcnt(chunk, raid_io->iovcnt);  in raid5f_submit_reconstruct_read()
741 				chunk->iovs[i] = raid_io->iovs[i];  in raid5f_submit_reconstruct_read()
744 			chunk->md_buf = raid_io_md;  in raid5f_submit_reconstruct_read()
746 			struct iovec *iov = &chunk->iovs[0];  in raid5f_submit_reconstruct_read()
750 			chunk->iovcnt = 1;  in raid5f_submit_reconstruct_read()
753 				chunk->md_buf = stripe_req->reconstruct.chunk_md_buffers[buf_idx];  in raid5f_submit_reconstruct_read()
837 	struct chunk *chunk;  in raid5f_stripe_request_free()  local
839 	FOR_EACH_CHUNK(stripe_req, chunk) {  in raid5f_stripe_request_free()
840 		free(chunk->iovs);  in raid5f_stripe_request_free()
882 	struct chunk *chunk;  in raid5f_stripe_request_alloc()  local
885 	stripe_req = calloc(1, sizeof(*stripe_req) + sizeof(*chunk) * raid_bdev->num_base_bdevs);  in raid5f_stripe_request_alloc()
893 	FOR_EACH_CHUNK(stripe_req, chunk) {  in raid5f_stripe_request_alloc()
894 		chunk->index = chunk - stripe_req->chunks;  in raid5f_stripe_request_alloc()
895 		chunk->iovcnt_max = 4;  in raid5f_stripe_request_alloc()
896 		chunk->iovs = calloc(chunk->iovcnt_max, sizeof(chunk->iovs[0]));  in raid5f_stripe_request_alloc()
897 		if (!chunk->iovs) {  in raid5f_stripe_request_alloc()