name: ext4_trim_all_free
ID: 219
format:
	field:unsigned short common_type;	offset:0;	size:2;	signed:0;
	field:unsigned char common_flags;	offset:2;	size:1;	signed:0;
	field:unsigned char common_preempt_count;	offset:3;	size:1;	signed:0;
	field:int common_pid;	offset:4;	size:4;	signed:1;
	field:int common_padding;	offset:8;	size:4;	signed:1;

	field:int dev_major;	offset:12;	size:4;	signed:1;
	field:int dev_minor;	offset:16;	size:4;	signed:1;
	field:__u32 group;	offset:20;	size:4;	signed:0;
	field:int start;	offset:24;	size:4;	signed:1;
	field:int len;	offset:28;	size:4;	signed:1;

print fmt: "dev %d,%d group %u, start %d, len %d", REC->dev_major, REC->dev_minor, REC->group, REC->start, REC->len