On Mon, Aug 09, 2021 at 09:58:17AM +0000, Johannes Thumshirn wrote: > 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' Seems like Damien's email had a typo in his original reply: https://patchwork.kernel.org/project/linux-block/patch/20210614122303.154378-3-Niklas.Cassel@xxxxxxx/#24252237 Surprised that he doesn't have a shortcut to paste his Reviewed-by tag, considering the amount of patches that he reviews :) > > 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> > >