Wrong thin pool lv cannot clean up properly

[weisongf]

version info:
kern:
uname -a
Linux cmp011 4.15.0-46-generic #49~16.04.1-Ubuntu SMP Tue Feb 12 17:45:24 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux

lvm2:
```
 dpkg -l|grep lvm
ii liblvm2app2.2:amd64 2.02.133-1ubuntu10 amd64 LVM2 application library
ii liblvm2cmd2.02:amd64 2.02.133-1ubuntu10 amd64 LVM2 command library
ii lvm2
```
```
root@cmp011:~# dmsetup status|grep error
cinder--volume-volume--75ff72d6--22fb--43b1--85cd--519a86e75c18: 0 10485760 error
```
Always reminded that in use, can't find out the process used。
```
lvs |grep 519a86e75c18
  volume-75ff72d6-22fb-43b1-85cd-519a86e75c18 cinder-volume Vwi-aotz-- 5.00g cinder-volume-pool 100.00 100.00

lvremove -f /dev/cinder-volume/volume-75ff72d6-22fb-43b1-85cd-519a86e75c18
  Logical volume cinder-volume/volume-75ff72d6-22fb-43b1-85cd-519a86e75c18 in use
```

dmsetup also cannot be deleted：
dmsetup suspend
dmsetup remove

[weisongf (songwei-8)]

~# lvchange -an /dev/cinder-volume/volume-75ff72d6-22fb-43b1-85cd-519a86e75c18
  Logical volume cinder-volume/volume-75ff72d6-22fb-43b1-85cd-519a86e75c18 in use.

~# dmsetup suspend /dev/cinder-volume/volume-75ff72d6-22fb-43b1-85cd-519a86e75c18
~# dmsetup clear /dev/cinder-volume/volume-75ff72d6-22fb-43b1-85cd-519a86e75c18

~# dmsetup wipe_table /dev/cinder-volume/volume-75ff72d6-22fb-43b1-85cd-519a86e75c18

~# dmsetup remove /dev/cinder-volume/volume-75ff72d6-22fb-43b1-85cd-519a86e75c18
device-mapper: remove ioctl on cinder--volume-volume--75ff72d6--22fb--43b1--85cd--519a86e75c18 failed: Device or resource busy
Command failed