svn commit: r327996 - in head/sys: cam/scsi geom

[Konstantin Belousov]

On Mon, Jan 15, 2018 at 11:20:00AM +0000, Andriy Gapon wrote:
> Author: avg
> Date: Mon Jan 15 11:20:00 2018
> New Revision: 327996
> URL: https://svnweb.freebsd.org/changeset/base/327996
> 
> Log:
>   geom_disk / scsi_da: deny opening write-protected disks for writing
>   
>   Ths change consists of two parts.
>   
>   geom_disk: deny opening a disk for writing if it's marked as
>   write-protected.  A new disk(9) flag is added to mark write protected
>   disks.  A possible alternative could be to add another parameter to d_open,
>   so that the open mode could be passed to it and the disk drivers could
>   make the decision internally, but the flag required less churn.

If you need the mode, use d_fdopen cdevsw method.