On Wed, Mar 8, 2017 at 8:48 AM, Jan Kara <jack@xxxxxxx> wrote: > This reverts commit 0dba1314d4f81115dce711292ec7981d17231064. It causes > leaking of device numbers for SCSI when SCSI registers multiple gendisks > for one request_queue in succession. It can be easily reproduced using > Omar's script [1] on kernel with CONFIG_DEBUG_TEST_DRIVER_REMOVE. > Furthermore the protection provided by this commit is not needed anymore > as the problem it was fixing got also fixed by commit 165a5e22fafb > "block: Move bdi_unregister() to del_gendisk()". > > [1]: http://marc.info/?l=linux-block&m=148554717109098&w=2 > > Signed-off-by: Jan Kara <jack@xxxxxxx> Acked-by: Dan Williams <dan.j.williams@xxxxxxxxx>
