237 	struct ppl_header *pplhdr;  in ppl_new_iounit()  local
255 	pplhdr = page_address(io->header_page);  in ppl_new_iounit()
256 	clear_page(pplhdr);  in ppl_new_iounit()
257 	memset(pplhdr->reserved, 0xff, PPL_HDR_RESERVED);  in ppl_new_iounit()
258 	pplhdr->signature = cpu_to_le32(ppl_conf->signature);  in ppl_new_iounit()
261 	pplhdr->generation = cpu_to_le64(io->seq);  in ppl_new_iounit()
270 	struct ppl_header *pplhdr;  in ppl_log_stripe()  local
312 	pplhdr = page_address(io->header_page);  in ppl_log_stripe()
316 				&pplhdr->entries[io->entries_count - 1];  in ppl_log_stripe()
336 		e = &pplhdr->entries[io->entries_count++];  in ppl_log_stripe()
433 	struct ppl_header *pplhdr = page_address(io->header_page);  in ppl_submit_iounit()  local
446 		struct ppl_header_entry *e = &pplhdr->entries[i];  in ppl_submit_iounit()
457 	pplhdr->entries_count = cpu_to_le32(io->entries_count);  in ppl_submit_iounit()
458 	pplhdr->checksum = cpu_to_le32(~crc32c_le(~0, pplhdr, PPL_HEADER_SIZE));  in ppl_submit_iounit()
970 static int ppl_recover(struct ppl_log *log, struct ppl_header *pplhdr,  in ppl_recover()  argument
987 	for (i = 0; i < le32_to_cpu(pplhdr->entries_count); i++) {  in ppl_recover()
988 		struct ppl_header_entry *e = &pplhdr->entries[i];  in ppl_recover()
1049 	struct ppl_header *pplhdr;  in ppl_write_empty_header()  local
1060 	pplhdr = page_address(page);  in ppl_write_empty_header()
1064 	memset(pplhdr->reserved, 0xff, PPL_HDR_RESERVED);  in ppl_write_empty_header()
1065 	pplhdr->signature = cpu_to_le32(log->ppl_conf->signature);  in ppl_write_empty_header()
1066 	pplhdr->checksum = cpu_to_le32(~crc32c_le(~0, pplhdr, PAGE_SIZE));  in ppl_write_empty_header()
1085 	struct ppl_header *pplhdr = NULL, *prev_pplhdr = NULL;  in ppl_load_distributed()  local
1112 			pplhdr = NULL;  in ppl_load_distributed()
1115 		pplhdr = page_address(page);  in ppl_load_distributed()
1118 		crc_stored = le32_to_cpu(pplhdr->checksum);  in ppl_load_distributed()
1119 		pplhdr->checksum = 0;  in ppl_load_distributed()
1120 		crc = ~crc32c_le(~0, pplhdr, PAGE_SIZE);  in ppl_load_distributed()
1126 			pplhdr = prev_pplhdr;  in ppl_load_distributed()
1131 		signature = le32_to_cpu(pplhdr->signature);  in ppl_load_distributed()
1143 			pplhdr = prev_pplhdr;  in ppl_load_distributed()
1149 		    le64_to_cpu(pplhdr->generation)) {  in ppl_load_distributed()
1151 			pplhdr = prev_pplhdr;  in ppl_load_distributed()
1157 		prev_pplhdr = pplhdr;  in ppl_load_distributed()
1164 		for (i = 0; i < le32_to_cpu(pplhdr->entries_count); i++)  in ppl_load_distributed()
1166 			    le32_to_cpu(pplhdr->entries[i].pp_size) >> 9;  in ppl_load_distributed()
1171 	if (!pplhdr)  in ppl_load_distributed()
1176 		    le64_to_cpu(pplhdr->generation));  in ppl_load_distributed()
1179 	if (pplhdr && !mddev->pers && mddev->recovery_cp != MaxSector)  in ppl_load_distributed()
1180 		ret = ppl_recover(log, pplhdr, pplhdr_offset);  in ppl_load_distributed()