diff options
| -rw-r--r-- | block/blk-core.c | 1 | ||||
| -rw-r--r-- | block/genhd.c | 5 |
2 files changed, 5 insertions, 1 deletions
diff --git a/block/blk-core.c b/block/blk-core.c index b9e857f4afe8..1086dac8724c 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -578,7 +578,6 @@ void blk_cleanup_queue(struct request_queue *q) q->queue_lock = &q->__queue_lock; spin_unlock_irq(lock); - bdi_unregister(q->backing_dev_info); put_disk_devt(q->disk_devt); /* @q is and will stay empty, shutdown and put */ diff --git a/block/genhd.c b/block/genhd.c index 2f444b87a5f2..b26a5ea115d0 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -681,6 +681,11 @@ void del_gendisk(struct gendisk *disk) disk->flags &= ~GENHD_FL_UP; sysfs_remove_link(&disk_to_dev(disk)->kobj, "bdi"); + /* + * Unregister bdi before releasing device numbers (as they can get + * reused and we'd get clashes in sysfs). + */ + bdi_unregister(disk->queue->backing_dev_info); blk_unregister_queue(disk); blk_unregister_region(disk_devt(disk), disk->minors); |