Re: [PATCH] xfs: fail dax mount if reflink is enabled on a partition

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To: Shiyang Ruan <ruansy.fnst@xxxxxxxxxxx>
Subject: Re: [PATCH] xfs: fail dax mount if reflink is enabled on a partition
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Thu, 9 Jun 2022 22:46:05 -0700
Cc: linux-kernel@xxxxxxxxxxxxxxx, linux-xfs@xxxxxxxxxxxxxxx, nvdimm@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, djwong@xxxxxxxxxx, david@xxxxxxxxxxxxx, hch@xxxxxxxxxxxxx
In-reply-to: <20220609143435.393724-1-ruansy.fnst@fujitsu.com>

On Thu, Jun 09, 2022 at 10:34:35PM +0800, Shiyang Ruan wrote:
> Failure notification is not supported on partitions.  So, when we mount
> a reflink enabled xfs on a partition with dax option, let it fail with
> -EINVAL code.

Looks good:

Reviewed-by: Christoph Hellwig <hch@xxxxxx>

References:
- [PATCH] xfs: fail dax mount if reflink is enabled on a partition
  - From: Shiyang Ruan

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