linux-kernel - Re: [PATCH] uapi: linux/blkzoned.h: fix BLKGETZONESZ and BLKGETNRZONES definitions

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Message-ID: <5c1ce6a8-9ef0-9031-2ecf-5083e4976ccb@kernel.dk>
Date:   Sun, 16 Dec 2018 19:52:17 -0700
From:   Jens Axboe <axboe@...nel.dk>
To:     "Dmitry V. Levin" <ldv@...linux.org>,
        Damien Le Moal <damien.lemoal@....com>
Cc:     linux-kernel@...r.kernel.org
Subject: Re: [PATCH] uapi: linux/blkzoned.h: fix BLKGETZONESZ and
 BLKGETNRZONES definitions

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