Re: [PATCH 1/3] filemap: Allow __filemap_get_folio to allocate large folios

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To: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>
Subject: Re: [PATCH 1/3] filemap: Allow __filemap_get_folio to allocate large folios
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Mon, 22 May 2023 22:59:17 -0700
Cc: linux-fsdevel@xxxxxxxxxxxxxxx, linux-xfs@xxxxxxxxxxxxxxx, Wang Yugui <wangyugui@xxxxxxxxxxxx>, Dave Chinner <david@xxxxxxxxxxxxx>, Christoph Hellwig <hch@xxxxxxxxxxxxx>, "Darrick J . Wong" <djwong@xxxxxxxxxx>
In-reply-to: <20230520163603.1794256-2-willy@infradead.org>

On Sat, May 20, 2023 at 05:36:01PM +0100, Matthew Wilcox (Oracle) wrote:
> +#define FGP_ORDER(fgp)		((fgp) >> 26)	/* top 6 bits */

Why don't we just add a new argument for the order?

Follow-Ups:
- Re: [PATCH 1/3] filemap: Allow __filemap_get_folio to allocate large folios
  - From: Matthew Wilcox

References:
- [PATCH 0/3] Create large folios in iomap buffered write path
  - From: Matthew Wilcox (Oracle)
- [PATCH 1/3] filemap: Allow __filemap_get_folio to allocate large folios
  - From: Matthew Wilcox (Oracle)

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