49 static struct iotrace {  struct
55 } iotrace;  argument
67 	if (!(gd->flags & GD_FLG_RELOC) || !iotrace.enabled)  in add_record()
71 	if (iotrace.offset + sizeof(*rec) < iotrace.size) {  in add_record()
73 					iotrace.start + iotrace.offset,  in add_record()
82 	iotrace.crc32 = crc32(iotrace.crc32, (unsigned char *)rec,  in add_record()
85 	iotrace.offset += sizeof(struct iotrace_record);  in add_record()
142 	iotrace.crc32 = 0;  in iotrace_reset_checksum()
147 	return iotrace.crc32;  in iotrace_get_checksum()
152 	iotrace.enabled = enable;  in iotrace_set_enabled()
157 	return iotrace.enabled;  in iotrace_get_enabled()
162 	iotrace.start = start;  in iotrace_set_buffer()
163 	iotrace.size = size;  in iotrace_set_buffer()
164 	iotrace.offset = 0;  in iotrace_set_buffer()
165 	iotrace.crc32 = 0;  in iotrace_set_buffer()
170 	*start = iotrace.start;  in iotrace_get_buffer()
171 	*size = iotrace.size;  in iotrace_get_buffer()
172 	*offset = iotrace.offset;  in iotrace_get_buffer()
173 	*count = iotrace.offset / sizeof(struct iotrace_record);  in iotrace_get_buffer()