Re: [PATCH 3/3] fs/ceph/addr: use folio_headpage() instead of folio_page()

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To: SeongJae Park <sj@xxxxxxxxxx>
Subject: Re: [PATCH 3/3] fs/ceph/addr: use folio_headpage() instead of folio_page()
From: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Date: Fri, 6 Jan 2023 19:39:07 +0000
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Xiubo Li <xiubli@xxxxxxxxxx>, Ilya Dryomov <idryomov@xxxxxxxxx>, Jeff Layton <jlayton@xxxxxxxxxx>, ceph-devel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
In-reply-to: <20230106174028.151384-4-sj@kernel.org>
References: <20230106174028.151384-1-sj@kernel.org> <20230106174028.151384-4-sj@kernel.org>

On Fri, Jan 06, 2023 at 05:40:28PM +0000, SeongJae Park wrote:
> -	snapc = ceph_find_incompatible(folio_page(*foliop, 0));
> +	snapc = ceph_find_incompatible(folio_headpage(*foliop));

ceph_find_incompatible() should take a folio.

References:
- [PATCH 0/3] add folio_headpage() macro
  - From: SeongJae Park
- [PATCH 3/3] fs/ceph/addr: use folio_headpage() instead of folio_page()
  - From: SeongJae Park

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