On 09/08/2021 11:50, Niklas Cassel wrote: > From: Niklas Cassel <niklas.cassel@xxxxxxx> > > A user space process should not need the CAP_SYS_ADMIN capability set > in order to perform a BLKREPORTZONE ioctl. > > Getting the zone report is required in order to get the write pointer. > Neither read() nor write() requires CAP_SYS_ADMIN, so it is reasonable > that a user space process that can read/write from/to the device, also > can get the write pointer. (Since e.g. writes have to be at the write > pointer.) > > Fixes: 3ed05a987e0f ("blk-zoned: implement ioctls") > Signed-off-by: Niklas Cassel <niklas.cassel@xxxxxxx> > Reviewed-by: Damien Le Moal <damien.lemoal@xxxxxx> Nit: Missing 'w' > Reviewed-by: Aravind Ramesh <aravind.ramesh@xxxxxxx> > Reviewed-by: Adam Manzanares <a.manzanares@xxxxxxxxxxx> > Reviewed-by: Himanshu Madhani <himanshu.madhani@xxxxxxxxxx> > Cc: stable@xxxxxxxxxxxxxxx # v4.10+ > --- Looks good, Reviewed-by: Johannes Thumshirn <johannes.thumshirn@xxxxxxx>