129 	struct persistent_ram_zone *prz;  in ramoops_get_next_prz()  local
135 	prz = przs[i];  in ramoops_get_next_prz()
136 	if (!prz)  in ramoops_get_next_prz()
141 		persistent_ram_save_old(prz);  in ramoops_get_next_prz()
143 	if (!persistent_ram_old_size(prz))  in ramoops_get_next_prz()
149 	return prz;  in ramoops_get_next_prz()
175 static bool prz_ok(struct persistent_ram_zone *prz)  in prz_ok()  argument
177 	return !!prz && !!(persistent_ram_old_size(prz) +  in prz_ok()
178 			   persistent_ram_ecc_string(prz, NULL, 0));  in prz_ok()
189 	struct persistent_ram_zone *prz = NULL;  in ramoops_pstore_read()  local
201 	while (cxt->dump_read_cnt < cxt->max_dump_cnt && !prz) {  in ramoops_pstore_read()
202 		prz = ramoops_get_next_prz(cxt->przs, &cxt->dump_read_cnt,  in ramoops_pstore_read()
205 		if (!prz_ok(prz))  in ramoops_pstore_read()
207 		header_length = ramoops_read_kmsg_hdr(persistent_ram_old(prz),  in ramoops_pstore_read()
211 			persistent_ram_free_old(prz);  in ramoops_pstore_read()
212 			persistent_ram_zap(prz);  in ramoops_pstore_read()
213 			prz = NULL;  in ramoops_pstore_read()
217 	if (!prz_ok(prz))  in ramoops_pstore_read()
218 		prz = ramoops_get_next_prz(&cxt->cprz, &cxt->console_read_cnt,  in ramoops_pstore_read()
220 	if (!prz_ok(prz))  in ramoops_pstore_read()
221 		prz = ramoops_get_next_prz(&cxt->fprz, &cxt->ftrace_read_cnt,  in ramoops_pstore_read()
223 	if (!prz_ok(prz))  in ramoops_pstore_read()
224 		prz = ramoops_get_next_prz(&cxt->mprz, &cxt->pmsg_read_cnt,  in ramoops_pstore_read()
226 	if (!prz_ok(prz))  in ramoops_pstore_read()
229 	size = persistent_ram_old_size(prz) - header_length;  in ramoops_pstore_read()
232 	ecc_notice_size = persistent_ram_ecc_string(prz, NULL, 0);  in ramoops_pstore_read()
238 	memcpy(*buf, (char *)persistent_ram_old(prz) + header_length, size);  in ramoops_pstore_read()
239 	persistent_ram_ecc_string(prz, *buf + size, ecc_notice_size + 1);  in ramoops_pstore_read()
244 static size_t ramoops_write_kmsg_hdr(struct persistent_ram_zone *prz,  in ramoops_write_kmsg_hdr()  argument
261 	persistent_ram_write(prz, hdr, len);  in ramoops_write_kmsg_hdr()
275 	struct persistent_ram_zone *prz;  in ramoops_pstore_write_buf()  local
320 	prz = cxt->przs[cxt->dump_write_cnt];  in ramoops_pstore_write_buf()
322 	hlen = ramoops_write_kmsg_hdr(prz, compressed);  in ramoops_pstore_write_buf()
323 	if (size + hlen > prz->buffer_size)  in ramoops_pstore_write_buf()
324 		size = prz->buffer_size - hlen;  in ramoops_pstore_write_buf()
325 	persistent_ram_write(prz, buf, size);  in ramoops_pstore_write_buf()
336 	struct persistent_ram_zone *prz;  in ramoops_pstore_erase()  local
342 		prz = cxt->przs[id];  in ramoops_pstore_erase()
345 		prz = cxt->cprz;  in ramoops_pstore_erase()
348 		prz = cxt->fprz;  in ramoops_pstore_erase()
351 		prz = cxt->mprz;  in ramoops_pstore_erase()
357 	persistent_ram_free_old(prz);  in ramoops_pstore_erase()
358 	persistent_ram_zap(prz);  in ramoops_pstore_erase()
432 			    struct persistent_ram_zone **prz,  in ramoops_init_prz()  argument
445 	*prz = persistent_ram_new(*paddr, sz, sig, &cxt->ecc_info, cxt->memtype);  in ramoops_init_prz()
446 	if (IS_ERR(*prz)) {  in ramoops_init_prz()
447 		int err = PTR_ERR(*prz);  in ramoops_init_prz()
454 	persistent_ram_zap(*prz);  in ramoops_init_prz()