Ok I got it blktests is a suite. I'd like to contribute something. If you need, we adapt you,;-)! But I have to learn some how to do that, need time. James >From subway. 在 2017年6月7日，21:17，Christoph Hellwig <hch@xxxxxxxxxxxxx> 写道： >> Testing steps are following: >> modprobe loop max_loop=64 >> dd if=/dev/zero of=disk bs=512 count=200K >> for((i=0;i<4;i++))do losetup -f disk; done >> mkfs.ext4 -F /dev/loop0 >> for((i=0;i<4;i++))do mkdir t$i; mount /dev/loop$i t$i;done >> for f in `ls /dev/loop[0-9]*|sort`; do \ >> echo $f; dd if=$f of=/dev/null bs=512 count=1; \ >> done > > Can you write this up for blktests, please? >
