122 	struct persistent_ram_zone *prz;  in ramoops_get_next_prz()  local
128 	prz = przs[id];  in ramoops_get_next_prz()
129 	if (!prz)  in ramoops_get_next_prz()
133 	if (prz->type == PSTORE_TYPE_DMESG)  in ramoops_get_next_prz()
134 		persistent_ram_save_old(prz);  in ramoops_get_next_prz()
136 	if (!persistent_ram_old_size(prz))  in ramoops_get_next_prz()
139 	record->type = prz->type;  in ramoops_get_next_prz()
142 	return prz;  in ramoops_get_next_prz()
172 static bool prz_ok(struct persistent_ram_zone *prz)  in prz_ok()  argument
174 	return !!prz && !!(persistent_ram_old_size(prz) +  in prz_ok()
175 			   persistent_ram_ecc_string(prz, NULL, 0));  in prz_ok()
182 	struct persistent_ram_zone *prz = NULL;  in ramoops_pstore_read()  local
196 	while (cxt->dump_read_cnt < cxt->max_dump_cnt && !prz) {  in ramoops_pstore_read()
197 		prz = ramoops_get_next_prz(cxt->dprzs, cxt->dump_read_cnt++,  in ramoops_pstore_read()
199 		if (!prz_ok(prz))  in ramoops_pstore_read()
201 		header_length = ramoops_read_kmsg_hdr(persistent_ram_old(prz),  in ramoops_pstore_read()
206 			persistent_ram_free_old(prz);  in ramoops_pstore_read()
207 			persistent_ram_zap(prz);  in ramoops_pstore_read()
208 			prz = NULL;  in ramoops_pstore_read()
212 	if (!prz_ok(prz) && !cxt->console_read_cnt++)  in ramoops_pstore_read()
213 		prz = ramoops_get_next_prz(&cxt->cprz, 0 /* single */, record);  in ramoops_pstore_read()
215 	if (!prz_ok(prz) && !cxt->pmsg_read_cnt++)  in ramoops_pstore_read()
216 		prz = ramoops_get_next_prz(&cxt->mprz, 0 /* single */, record);  in ramoops_pstore_read()
219 	if (!prz_ok(prz)) {  in ramoops_pstore_read()
222 			prz = ramoops_get_next_prz(cxt->fprzs, 0 /* single */,  in ramoops_pstore_read()
235 			prz = tmp_prz;  in ramoops_pstore_read()
262 	if (!prz_ok(prz)) {  in ramoops_pstore_read()
267 	size = persistent_ram_old_size(prz) - header_length;  in ramoops_pstore_read()
270 	record->ecc_notice_size = persistent_ram_ecc_string(prz, NULL, 0);  in ramoops_pstore_read()
278 	memcpy(record->buf, (char *)persistent_ram_old(prz) + header_length,  in ramoops_pstore_read()
281 	persistent_ram_ecc_string(prz, record->buf + size,  in ramoops_pstore_read()
286 		kvfree(prz->old_log);  in ramoops_pstore_read()
287 		kfree(prz);  in ramoops_pstore_read()
293 static size_t ramoops_write_kmsg_hdr(struct persistent_ram_zone *prz,  in ramoops_write_kmsg_hdr()  argument
304 	persistent_ram_write(prz, hdr, len);  in ramoops_write_kmsg_hdr()
312 	struct persistent_ram_zone *prz;  in ramoops_pstore_write()  local
366 	prz = cxt->dprzs[cxt->dump_write_cnt];  in ramoops_pstore_write()
377 	persistent_ram_zap(prz);  in ramoops_pstore_write()
380 	hlen = ramoops_write_kmsg_hdr(prz, record);  in ramoops_pstore_write()
385 	if (size + hlen > prz->buffer_size)  in ramoops_pstore_write()
386 		size = prz->buffer_size - hlen;  in ramoops_pstore_write()
387 	persistent_ram_write(prz, record->buf, size);  in ramoops_pstore_write()
411 	struct persistent_ram_zone *prz;  in ramoops_pstore_erase()  local
417 		prz = cxt->dprzs[record->id];  in ramoops_pstore_erase()
420 		prz = cxt->cprz;  in ramoops_pstore_erase()
425 		prz = cxt->fprzs[record->id];  in ramoops_pstore_erase()
428 		prz = cxt->mprz;  in ramoops_pstore_erase()
434 	persistent_ram_free_old(prz);  in ramoops_pstore_erase()
435 	persistent_ram_zap(prz);  in ramoops_pstore_erase()
582 			    struct persistent_ram_zone **prz,  in ramoops_init_prz()  argument
598 	*prz = persistent_ram_new(*paddr, sz, sig, &cxt->ecc_info,  in ramoops_init_prz()
601 	if (IS_ERR(*prz)) {  in ramoops_init_prz()
602 		int err = PTR_ERR(*prz);  in ramoops_init_prz()
610 	(*prz)->type = pstore_name_to_type(name);  in ramoops_init_prz()