On 06/08/2017 08:52 AM, James Wang wrote: > Test method: > 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 I think Christoph already asked this, but can you send a patch for blktests [1] as well? Thanks, Johannes [1] https://github.com/osandov/blktests -- Johannes Thumshirn Storage jthumshirn@xxxxxxx +49 911 74053 689 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg GF: Felix Imendörffer, Jane Smithard, Graham Norton HRB 21284 (AG Nürnberg) Key fingerprint = EC38 9CAB C2C4 F25D 8600 D0D0 0393 969D 2D76 0850
