Re: [PATCH 2/2] blk-snap - snapshots and change-tracking for block devices

From: Pavel Machek
Date: Wed Oct 21 2020 - 05:08:42 EST



We'll need some changelog here.

> Signed-off-by: Sergei Shtepa <sergei.shtepa@xxxxxxxxx>


> --- /dev/null
> +++ b/drivers/block/blk-snap/blk-snap-ctl.h
> @@ -0,0 +1,190 @@
> +/* SPDX-License-Identifier: GPL-2.0-or-later */
> +#pragma once

once?

> +#define MODULE_NAME "blk-snap"
> +#define SNAP_IMAGE_NAME "blk-snap-image"
> +
> +#define SUCCESS 0
> +
> +#define MAX_TRACKING_DEVICE_COUNT 256
> +
> +#define BLK_SNAP 'V'
> +
> +#pragma pack(push, 1)
> +//////////////////////////////////////////////////////////////////////////
> +// version

This is not normal comment style.

> +#define BLK_SNAP_COMPATIBILITY_SNAPSTORE 0x0000000000000001ull /* rudiment */
> +//#define BLK_SNAP_COMPATIBILITY_BTRFS 0x0000000000000002ull /* rudiment */
> +#define BLK_SNAP_COMPATIBILITY_MULTIDEV 0x0000000000000004ull

Don't comment out code.

Best regards,
Pavel

--
http://www.livejournal.com/~pavelmachek

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