Re: [PATCH 20/24] btrfs: Use a folio in wait_dev_supers()

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To: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>
Subject: Re: [PATCH 20/24] btrfs: Use a folio in wait_dev_supers()
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Fri, 27 May 2022 23:03:57 -0700
Cc: linux-fsdevel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx
In-reply-to: <20220527155036.524743-21-willy@infradead.org>
References: <20220527155036.524743-1-willy@infradead.org> <20220527155036.524743-21-willy@infradead.org>

On Fri, May 27, 2022 at 04:50:32PM +0100, Matthew Wilcox (Oracle) wrote:
> Remove a use of PageError and optimise putting the page reference twice.

Looks good (although the entire code around it could use some love..)

Reviewed-by: Christoph Hellwig <hch@xxxxxx>

References:
- [PATCH 00/24] Begin removing PageError
  - From: Matthew Wilcox (Oracle)
- [PATCH 20/24] btrfs: Use a folio in wait_dev_supers()
  - From: Matthew Wilcox (Oracle)

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