Messages in this thread | | | Subject | Re: [dm-devel] linux-next: Tree for Feb 2 (drivers/md/dm.c) | From | Paolo Bonzini <> | Date | Thu, 2 Feb 2017 12:19:57 -0800 |
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On 02/02/2017 10:44, Christoph Hellwig wrote: > ec8013bedd ("dm: do not forward ioctls from logical volumes to the > underlying device"), > > The trivial fix would be to add a select of the SCSI_REQUEST symbol > to dm, but my gut feeling teels me the call is simply wrong, and > should be removed and instead all ioctls on DM devices that don't > map to a full underlying devices should be rejected.
I would certainly be fine with that. It would not be surprising if something broke, but a middle ground could be to allow all ioctls if you have CAP_SYS_RAWIO and none if you don't.
Paolo
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