Re: [PATCH] uapi: linux/blkzoned.h: fix BLKGETZONESZ and BLKGETNRZONES definitions
From: Jens Axboe
Date: Sun Dec 16 2018 - 21:52:23 EST
On 12/15/18 6:49 PM, Dmitry V. Levin wrote:
> According to the documentation in include/uapi/asm-generic/ioctl.h,
> _IOW means userspace is writing and kernel is reading, and
> _IOR means userspace is reading and kernel is writing.
>
> In case of these two ioctls, kernel is writing and userspace is reading,
> so they have to be _IOR instead of _IOW.
Applied, thanks.
--
Jens Axboe