Re: [PATCH 28/78] md: implement ->set_read_only to hook into BLKROSET processing

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To: Christoph Hellwig <hch@xxxxxx>
Subject: Re: [PATCH 28/78] md: implement ->set_read_only to hook into BLKROSET processing
From: Song Liu <song@xxxxxxxxxx>
Date: Mon, 16 Nov 2020 09:37:34 -0800
Cc: Jens Axboe <axboe@xxxxxxxxx>, Justin Sanders <justin@xxxxxxxxxx>, Josef Bacik <josef@xxxxxxxxxxxxxx>, Ilya Dryomov <idryomov@xxxxxxxxx>, Jack Wang <jinpu.wang@xxxxxxxxxxxxxxx>, "Michael S. Tsirkin" <mst@xxxxxxxxxx>, Jason Wang <jasowang@xxxxxxxxxx>, Paolo Bonzini <pbonzini@xxxxxxxxxx>, Stefan Hajnoczi <stefanha@xxxxxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Minchan Kim <minchan@xxxxxxxxxx>, Mike Snitzer <snitzer@xxxxxxxxxx>, "Martin K. Petersen" <martin.petersen@xxxxxxxxxx>, dm-devel@xxxxxxxxxx, linux-block@xxxxxxxxxxxxxxx, drbd-dev@xxxxxxxxxxxxxxx, nbd@xxxxxxxxxxxxxxxx, ceph-devel@xxxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, linux-raid <linux-raid@xxxxxxxxxxxxxxx>, linux-nvme@xxxxxxxxxxxxxxxxxxx, linux-scsi@xxxxxxxxxxxxxxx, Linux-Fsdevel <linux-fsdevel@xxxxxxxxxxxxxxx>
In-reply-to: <20201116145809.410558-29-hch@lst.de>

On Mon, Nov 16, 2020 at 6:58 AM Christoph Hellwig <hch@xxxxxx> wrote:
>
> Implement the ->set_read_only method instead of parsing the actual
> ioctl command.
>
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>

Acked-by: Song Liu <song@xxxxxxxxxx>

[...]

References:
- cleanup updating the size of block devices v3
  - From: Christoph Hellwig
- [PATCH 28/78] md: implement ->set_read_only to hook into BLKROSET processing
  - From: Christoph Hellwig

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