658 		struct pstore_zone *zone, struct pstore_record *record)  in psz_kmsg_erase()  argument
669 	if (record->count != hdr->counter)  in psz_kmsg_erase()
699 static int psz_pstore_erase(struct pstore_record *record)  in psz_pstore_erase()  argument
701 	struct psz_context *cxt = record->psi->data;  in psz_pstore_erase()
703 	switch (record->type) {  in psz_pstore_erase()
705 		if (record->id >= cxt->kmsg_max_cnt)  in psz_pstore_erase()
707 		return psz_kmsg_erase(cxt, cxt->kpszs[record->id], record);  in psz_pstore_erase()
713 		if (record->id >= cxt->ftrace_max_cnt)  in psz_pstore_erase()
715 		return psz_record_erase(cxt, cxt->fpszs[record->id]);  in psz_pstore_erase()
721 		struct pstore_record *record)  in psz_write_kmsg_hdr()  argument
723 	struct psz_context *cxt = record->psi->data;  in psz_write_kmsg_hdr()
729 	hdr->compressed = record->compressed;  in psz_write_kmsg_hdr()
730 	hdr->time.tv_sec = record->time.tv_sec;  in psz_write_kmsg_hdr()
731 	hdr->time.tv_nsec = record->time.tv_nsec;  in psz_write_kmsg_hdr()
732 	hdr->reason = record->reason;  in psz_write_kmsg_hdr()
746 		struct pstore_record *record)  in psz_kmsg_write_record()  argument
772 		psz_write_kmsg_hdr(zone, record);  in psz_kmsg_write_record()
774 		size = min_t(size_t, record->size, zone->buffer_size - hlen);  in psz_kmsg_write_record()
775 		ret = psz_zone_write(zone, FLUSH_ALL, record->buf, size, hlen);  in psz_kmsg_write_record()
796 		struct pstore_record *record)  in psz_kmsg_write()  argument
806 	if (record->part != 1)  in psz_kmsg_write()
812 	ret = psz_kmsg_write_record(cxt, record);  in psz_kmsg_write()
824 		struct pstore_record *record)  in psz_record_write()  argument
831 	if (!zone || !record)  in psz_record_write()
837 	cnt = record->size;  in psz_record_write()
838 	buf = record->buf;  in psz_record_write()
872 static int notrace psz_pstore_write(struct pstore_record *record)  in psz_pstore_write()  argument
874 	struct psz_context *cxt = record->psi->data;  in psz_pstore_write()
876 	if (record->type == PSTORE_TYPE_DMESG &&  in psz_pstore_write()
877 			record->reason == KMSG_DUMP_PANIC)  in psz_pstore_write()
884 	if (is_on_panic() && record->type != PSTORE_TYPE_DMESG)  in psz_pstore_write()
887 	switch (record->type) {  in psz_pstore_write()
889 		return psz_kmsg_write(cxt, record);  in psz_pstore_write()
891 		return psz_record_write(cxt->cpsz, record);  in psz_pstore_write()
893 		return psz_record_write(cxt->ppsz, record);  in psz_pstore_write()
899 		return psz_record_write(cxt->fpszs[zonenum], record);  in psz_pstore_write()
942 		struct pstore_record *record)  in psz_kmsg_read_hdr()  argument
950 	record->compressed = hdr->compressed;  in psz_kmsg_read_hdr()
951 	record->time.tv_sec = hdr->time.tv_sec;  in psz_kmsg_read_hdr()
952 	record->time.tv_nsec = hdr->time.tv_nsec;  in psz_kmsg_read_hdr()
953 	record->reason = hdr->reason;  in psz_kmsg_read_hdr()
954 	record->count = hdr->counter;  in psz_kmsg_read_hdr()
959 		struct pstore_record *record)  in psz_kmsg_read()  argument
965 	if (psz_kmsg_read_hdr(zone, record)) {  in psz_kmsg_read()
972 	if (!record->compressed) {  in psz_kmsg_read()
974 				      kmsg_dump_reason_str(record->reason),  in psz_kmsg_read()
975 				      record->count);  in psz_kmsg_read()
977 		record->buf = krealloc(buf, hlen + size, GFP_KERNEL);  in psz_kmsg_read()
978 		if (!record->buf) {  in psz_kmsg_read()
983 		record->buf = kmalloc(size, GFP_KERNEL);  in psz_kmsg_read()
984 		if (!record->buf)  in psz_kmsg_read()
988 	size = psz_zone_read_buffer(zone, record->buf + hlen, size,  in psz_kmsg_read()
991 		kfree(record->buf);  in psz_kmsg_read()
1000 		struct pstore_record *record)  in psz_ftrace_read()  argument
1006 	if (!zone || !record)  in psz_ftrace_read()
1016 	ret = pstore_ftrace_combine_log(&record->buf, &record->size,  in psz_ftrace_read()
1022 	cxt = record->psi->data;  in psz_ftrace_read()
1026 	record->id = 0;  in psz_ftrace_read()
1027 	return record->size ? record->size : -ENOMSG;  in psz_ftrace_read()
1031 		struct pstore_record *record)  in psz_record_read()  argument
1036 	if (!zone || !record)  in psz_record_read()
1044 	record->buf = kmalloc(len, GFP_KERNEL);  in psz_record_read()
1045 	if (!record->buf)  in psz_record_read()
1048 	if (unlikely(psz_zone_read_oldbuf(zone, record->buf, len, 0))) {  in psz_record_read()
1049 		kfree(record->buf);  in psz_record_read()
1056 static ssize_t psz_pstore_read(struct pstore_record *record)  in psz_pstore_read()  argument
1058 	struct psz_context *cxt = record->psi->data;  in psz_pstore_read()
1060 			struct pstore_record *record);  in psz_pstore_read()
1074 	record->type = zone->type;  in psz_pstore_read()
1075 	switch (record->type) {  in psz_pstore_read()
1078 		record->id = cxt->kmsg_read_cnt - 1;  in psz_pstore_read()
1091 	ret = readop(zone, record);  in psz_pstore_read()