Re: [PATCH 1/6] dm: use bdev_read_only to check if a device is read-only

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To: Christoph Hellwig <hch@xxxxxx>
Subject: Re: [PATCH 1/6] dm: use bdev_read_only to check if a device is read-only
From: "Martin K. Petersen" <martin.petersen@xxxxxxxxxx>
Date: Tue, 08 Dec 2020 00:23:22 -0500
Cc: Jens Axboe <axboe@xxxxxxxxx>, "Martin K . Petersen" <martin.petersen@xxxxxxxxxx>, Oleksii Kurochko <olkuroch@xxxxxxxxx>, Sagi Grimberg <sagi@xxxxxxxxxxx>, Mike Snitzer <snitzer@xxxxxxxxxx>, Ilya Dryomov <idryomov@xxxxxxxxx>, Dongsheng Yang <dongsheng.yang@xxxxxxxxxxxx>, ceph-devel@xxxxxxxxxxxxxxx, dm-devel@xxxxxxxxxx, linux-block@xxxxxxxxxxxxxxx, linux-nvme@xxxxxxxxxxxxxxxxxxx, Hannes Reinecke <hare@xxxxxxx>
In-reply-to: <20201207131918.2252553-2-hch@lst.de> (Christoph Hellwig's message of "Mon, 7 Dec 2020 14:19:13 +0100")
Organization: Oracle Corporation
References: <20201207131918.2252553-1-hch@lst.de> <20201207131918.2252553-2-hch@lst.de>

Christoph,

> dm-thin and dm-cache also work on partitions, so use the proper
> interface to check if the device is read-only.

Reviewed-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>

-- 
Martin K. Petersen	Oracle Linux Engineering

References:
- split hard read-only vs read-only policy v2
  - From: Christoph Hellwig
- [PATCH 1/6] dm: use bdev_read_only to check if a device is read-only
  - From: Christoph Hellwig

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