Re: [PATCH] block: Clear kernel memory before copying to user

[Ming Lei <tom.leiming@xxxxxxxxx>]

On Wed, Nov 7, 2018 at 11:47 PM Keith Busch <keith.busch@xxxxxxxxx> wrote:
>
> On Wed, Nov 07, 2018 at 11:44:59PM +0800, Ming Lei wrote:
> > blk_update_request() may tell us how much progress made, :-)
>
> Except when it doesn't, which is 100% of the time for many block
> drivers, including nvme.

Please look at blk_mq_end_request()(<- nvme_complete_rq()), which
calls blk_update_request().

Thanks,
Ming Lei