linux-kernel - Re: [PATCH v2 01/19] mm, swap: rename __read_swap_cache_async to swap_cache_alloc

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Message-ID: <CAGsJ_4yQ+_hDhF-eVoBKVxWmVa-hghfeOf1BHTbZvZ4Woht18w@mail.gmail.com>
Date: Mon, 17 Nov 2025 16:11:57 +0800
From: Barry Song <21cnbao@...il.com>
To: Kairui Song <ryncsn@...il.com>
Cc: linux-mm@...ck.org, Andrew Morton <akpm@...ux-foundation.org>, 
	Baoquan He <bhe@...hat.com>, Chris Li <chrisl@...nel.org>, Nhat Pham <nphamcs@...il.com>, 
	Yosry Ahmed <yosry.ahmed@...ux.dev>, David Hildenbrand <david@...nel.org>, 
	Johannes Weiner <hannes@...xchg.org>, Youngjun Park <youngjun.park@....com>, 
	Hugh Dickins <hughd@...gle.com>, Baolin Wang <baolin.wang@...ux.alibaba.com>, 
	Ying Huang <ying.huang@...ux.alibaba.com>, Kemeng Shi <shikemeng@...weicloud.com>, 
	Lorenzo Stoakes <lorenzo.stoakes@...cle.com>, 
	"Matthew Wilcox (Oracle)" <willy@...radead.org>, linux-kernel@...r.kernel.org, 
	Kairui Song <kasong@...cent.com>
Subject: Re: [PATCH v2 01/19] mm, swap: rename __read_swap_cache_async to swap_cache_alloc_folio

On Mon, Nov 17, 2025 at 2:12 AM Kairui Song <ryncsn@...il.com> wrote:
>
> From: Kairui Song <kasong@...cent.com>
>
> __read_swap_cache_async is widely used to allocate and ensure a folio is
> in swapcache, or get the folio if a folio is already there.
>
> It's not async, and it's not doing any read. Rename it to better present
> its usage, and prepare to be reworked as part of new swap cache APIs.
>
> Also, add some comments for the function. Worth noting that the
> skip_if_exists argument is an long existing workaround that will be
> dropped soon.
>
> Reviewed-by: Yosry Ahmed <yosry.ahmed@...ux.dev>
> Signed-off-by: Kairui Song <kasong@...cent.com>
> ---

Reviewed-by: Barry Song <baohua@...nel.org>