drivers/md/raid5-cache.c

231 	unsigned int has_flush_payload:1;	/* include flush payload  */
580 	 * if the io doesn't not have null_flush or flush payload,
621 	/* decrease pending_stripe for flush payload */
829 	struct r5l_payload_data_parity *payload;
831 	payload = page_address(io->meta_page) + io->meta_offset;
832 	payload->header.type = cpu_to_le16(type);
833 	payload->header.flags = cpu_to_le16(0);
834 	payload->size = cpu_to_le32((1 + !!checksum2_valid) <<
836 	payload->location = cpu_to_le64(location);
837 	payload->checksum[0] = cpu_to_le32(checksum1);
839 		payload->checksum[1] = cpu_to_le32(checksum2);
868 	struct r5l_payload_flush *payload;
887 	/* current implementation is one stripe per flush payload */
889 	payload = page_address(io->meta_page) + io->meta_offset;
890 	payload->header.type = cpu_to_le16(R5LOG_PAYLOAD_FLUSH);
891 	payload->header.flags = cpu_to_le16(0);
892 	payload->size = cpu_to_le32(sizeof(__le64));
893 	payload->flush_stripes[0] = cpu_to_le64(sect);
1808 				   struct r5l_payload_data_parity *payload,
1816 			     le64_to_cpu(payload->location), 0,
1820 		le32_to_cpu(payload->checksum[0]);
1830 				     struct r5l_payload_data_parity *payload,
1839 		le32_to_cpu(payload->checksum[0]);
1847 			le32_to_cpu(payload->checksum[1]);
2002 	struct r5l_payload_data_parity *payload;
2010 		payload = (void *)mb + mb_offset;
2013 		if (le16_to_cpu(payload->header.type) == R5LOG_PAYLOAD_DATA) {
2016 				    payload->checksum[0]) < 0)
2018 		} else if (le16_to_cpu(payload->header.type) == R5LOG_PAYLOAD_PARITY) {
2021 				    payload->checksum[0]) < 0)
2028 				    payload->checksum[1]) < 0)
2030 		} else if (le16_to_cpu(payload->header.type) == R5LOG_PAYLOAD_FLUSH) {
2035 		if (le16_to_cpu(payload->header.type) == R5LOG_PAYLOAD_FLUSH) {
2039 			/* DATA or PARITY payload */
2041 						  le32_to_cpu(payload->size));
2044 				(le32_to_cpu(payload->size) >> (PAGE_SHIFT - 9));
2073 	struct r5l_payload_data_parity *payload;
2099 		payload = (void *)mb + mb_offset;
2102 		if (le16_to_cpu(payload->header.type) == R5LOG_PAYLOAD_FLUSH) {
2123 		/* DATA or PARITY payload */
2124 		stripe_sect = (le16_to_cpu(payload->header.type) == R5LOG_PAYLOAD_DATA) ?
2126 				conf, le64_to_cpu(payload->location), 0, &dd,
2128 			: le64_to_cpu(payload->location);
2171 		if (le16_to_cpu(payload->header.type) == R5LOG_PAYLOAD_DATA) {
2177 			r5l_recovery_load_data(log, sh, ctx, payload,
2179 		} else if (le16_to_cpu(payload->header.type) == R5LOG_PAYLOAD_PARITY)
2180 			r5l_recovery_load_parity(log, sh, ctx, payload,
2186 					  le32_to_cpu(payload->size));
2190 			(le32_to_cpu(payload->size) >> (PAGE_SHIFT - 9));
2374 			struct r5l_payload_data_parity *payload;
2378 				payload = (void *)mb + offset;
2379 				payload->header.type = cpu_to_le16(
2381 				payload->size = cpu_to_le32(BLOCK_SECTORS);
2382 				payload->location = cpu_to_le64(
2385 				payload->checksum[0] = cpu_to_le32(