linux-kernel - Re: [PATCH 1/6] md: switch to ->check_events for media change notifications

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Message-ID: <09cd4827-52ae-0e7c-c3d3-e9a6cd27ff2b@cloud.ionos.com>
Date:   Wed, 8 Jul 2020 15:17:31 +0200
From:   Guoqing Jiang <guoqing.jiang@...ud.ionos.com>
To:     Christoph Hellwig <hch@....de>, Jens Axboe <axboe@...nel.dk>
Cc:     Song Liu <song@...nel.org>, Ulf Hansson <ulf.hansson@...aro.org>,
        linux-kernel@...r.kernel.org, linux-xtensa@...ux-xtensa.org,
        linux-block@...r.kernel.org, linux-raid@...r.kernel.org,
        linux-mmc@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH 1/6] md: switch to ->check_events for media change
 notifications

On 7/8/20 2:25 PM, Christoph Hellwig wrote:
> -static int md_media_changed(struct gendisk *disk)
> -{
> -	struct mddev *mddev = disk->private_data;
> -
> -	return mddev->changed;
> -}

Maybe we can remove "changed" from struct mddev since no one reads it
after the change.

Thanks,
Guoqing