From: David Sterba <dsterba@suse.cz>
To: Kairui Song <kasong@tencent.com>
Cc: linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>,
Matthew Wilcox <willy@infradead.org>,
Hugh Dickins <hughd@google.com>, Chris Li <chrisl@kernel.org>,
David Hildenbrand <david@redhat.com>,
Yosry Ahmed <yosryahmed@google.com>,
"Huang, Ying" <ying.huang@linux.alibaba.com>,
Nhat Pham <nphamcs@gmail.com>,
Johannes Weiner <hannes@cmpxchg.org>,
linux-kernel@vger.kernel.org, Chris Mason <clm@fb.com>,
Josef Bacik <josef@toxicpanda.com>,
David Sterba <dsterba@suse.com>,
linux-btrfs@vger.kernel.org, Qu Wenruo <wqu@suse.com>
Subject: Re: [PATCH v3 2/6] btrfs: drop usage of folio_index
Date: Fri, 2 May 2025 13:10:56 +0200 [thread overview]
Message-ID: <20250502111056.GP9140@suse.cz> (raw)
In-Reply-To: <20250430181052.55698-3-ryncsn@gmail.com>
On Thu, May 01, 2025 at 02:10:48AM +0800, Kairui Song wrote:
> From: Kairui Song <kasong@tencent.com>
>
> folio_index is only needed for mixed usage of page cache and swap
> cache, for pure page cache usage, the caller can just use
> folio->index instead.
>
> It can't be a swap cache folio here. Swap mapping may only call into fs
> through `swap_rw` but btrfs does not use that method for swap.
>
> Signed-off-by: Kairui Song <kasong@tencent.com>
> Cc: Chris Mason <clm@fb.com> (maintainer:BTRFS FILE SYSTEM)
> Cc: Josef Bacik <josef@toxicpanda.com> (maintainer:BTRFS FILE SYSTEM)
> Cc: David Sterba <dsterba@suse.com> (maintainer:BTRFS FILE SYSTEM)
> Cc: linux-btrfs@vger.kernel.org (open list:BTRFS FILE SYSTEM)
> Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
> Reviewed-by: Qu Wenruo <wqu@suse.com>
I've added the patch to our for-next, so Andrew can drop it from his
patch queue.
next prev parent reply other threads:[~2025-05-02 11:10 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-30 18:10 [PATCH v3 0/6] mm, swap: clean up swap cache mapping helper Kairui Song
2025-04-30 18:10 ` [PATCH v3 1/6] fuse: drop usage of folio_index Kairui Song
2025-04-30 21:08 ` David Hildenbrand
2025-04-30 18:10 ` [PATCH v3 2/6] btrfs: " Kairui Song
2025-04-30 21:06 ` Andrew Morton
2025-04-30 21:07 ` David Hildenbrand
2025-05-01 10:13 ` Kairui Song
2025-04-30 21:08 ` David Hildenbrand
2025-05-01 8:50 ` David Sterba
2025-05-02 11:10 ` David Sterba [this message]
2025-04-30 18:10 ` [f2fs-dev] [PATCH v3 3/6] f2fs: " Kairui Song
2025-04-30 18:10 ` Kairui Song
2025-04-30 21:08 ` [f2fs-dev] " David Hildenbrand via Linux-f2fs-devel
2025-04-30 21:08 ` David Hildenbrand
2025-05-06 8:49 ` [f2fs-dev] " Chao Yu via Linux-f2fs-devel
2025-05-06 8:49 ` Chao Yu
2025-06-09 20:56 ` [f2fs-dev] " patchwork-bot+f2fs--- via Linux-f2fs-devel
2025-06-09 20:56 ` patchwork-bot+f2fs
2025-04-30 18:10 ` [PATCH v3 4/6] filemap: do not use folio_contains for swap cache folios Kairui Song
2025-04-30 18:15 ` Kairui Song
2025-04-30 18:10 ` [PATCH v3 5/6] mm: move folio_index to mm/swap.h and remove no longer needed helper Kairui Song
2025-04-30 21:11 ` David Hildenbrand
2025-05-01 10:08 ` Kairui Song
2025-04-30 18:10 ` [PATCH v3 6/6] mm, swap: remove no longer used swap mapping helper Kairui Song
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