On 10/21/19 2:37 AM, Jan Kara wrote: > Hello, > > I've been debugging for quite a long time strange issues with encrypted DVDs > not being readable on Linux (bko#194965). In the end I've tracked down the > problem to the fact that block device size is not updated when the media is > inserted in case the DVD device is already open. This is IMO a bug in block > device code as the size gets properly update in case the device has partition > scanning enabled. The following series fixes the problem by refreshing disk > size on each open even for devices with partition scanning disabled. It's really confusing to have different behavior for partition vs whole device. This series looks good to me, the size change code is really hard to follow. I don't see any serious objections here, I'm going to queue this up for 5.4. -- Jens Axboe
