Linux kernel bug fix: block: destroy bdi before blockdev is unregistered.
Subsystem: block (drivers/block/loop.c)
Bug type: refcount, severity: critical
Keywords: refcount
Files changed: block/blk-core.c;block/blk-sysfs.c;drivers/block/loop.c;drivers/md/md.c
Introduced by Christoph Hellwig on 2015-01-20 14:05:00 -0700; fixed by NeilBrown on 2015-04-27 10:27:20 -0600 (lifetime: 96 days)