Linux kernel bug fix: block: null_blk: only set set->nr_maps as 3 if active poll_queues is > 0
Subsystem: drivers/block (drivers/block/null_blk/main.c)
Bug type: hang, severity: medium
Files changed: drivers/block/null_blk/main.c
Introduced by Ming Lei on 2021-12-02 19:57:47 -0700; fixed by Ming Lei on 2021-12-23 22:05:50 -0700 (lifetime: 21 days)