From: Baoquan He <baoquan.he@linux.dev>
To: Christoph Hellwig <hch@lst.de>
Cc: akpm@linux-foundation.org, chrisl@kernel.org,
usama.arif@linux.dev, kasong@tencent.com, nphamcs@gmail.com,
shikemeng@huaweicloud.com, youngjun.park@lge.com,
linux-mm@kvack.org
Subject: Re: [PATCH 4/8] mm/swap: also use struct swap_iocb for block I/O
Date: Thu, 4 Jun 2026 18:59:54 +0800 [thread overview]
Message-ID: <aiFaqrUPeLvinf0D@MiWiFi-R3L-srv> (raw)
In-Reply-To: <20260601113449.3464734-5-hch@lst.de>
On 06/01/26 at 01:34pm, Christoph Hellwig wrote:
> Block I/O benefits from batching just as much as remote file systems.
> Extent struct swap_iocb to support building a bio on the fly as well,
~~~ Extend, typo
> and rewrite the block based swap code for it. This especially benefits
> submit_bio based drivers that do not have the block plugging available,
> but also saves allocating extra bios for blk-mq drivers.
>
> Note that the block based swap code now uses the same memcg-based
> check previously added for file system based swap as well.
>
> Signed-off-by: Christoph Hellwig <hch@lst.de>
> ---
> mm/page_io.c | 526 ++++++++++++++++++++++++--------------------------
> mm/swap.h | 1 +
> mm/swapfile.c | 9 +-
> 3 files changed, 252 insertions(+), 284 deletions(-)
>
...snip...
next prev parent reply other threads:[~2026-06-04 11:00 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-01 11:34 better block swap batching and a different take on swap_ops v2 Christoph Hellwig
2026-06-01 11:34 ` [PATCH 1/8] shmem: provide a shmem_write_folio wrapper Christoph Hellwig
2026-06-04 9:43 ` Baoquan He
2026-06-05 17:07 ` Nhat Pham
2026-06-01 11:34 ` [PATCH 2/8] mm: merge writeout into pageout Christoph Hellwig
2026-06-04 9:44 ` Baoquan He
2026-06-05 17:07 ` Nhat Pham
2026-06-01 11:34 ` [PATCH 3/8] mm/swap: introduce struct swap_io_ctx Christoph Hellwig
2026-06-04 10:58 ` Baoquan He
2026-06-05 17:41 ` Nhat Pham
2026-06-01 11:34 ` [PATCH 4/8] mm/swap: also use struct swap_iocb for block I/O Christoph Hellwig
2026-06-04 10:59 ` Baoquan He [this message]
2026-06-04 11:37 ` Baoquan He
2026-06-01 11:34 ` [PATCH 5/8] mm/swap: remove count_swpout_vm_event Christoph Hellwig
2026-06-04 11:37 ` Baoquan He
2026-06-05 17:50 ` Nhat Pham
2026-06-01 11:34 ` [PATCH 6/8] mm/swap: use swap_ops to register swap device's methods Christoph Hellwig
2026-06-05 17:53 ` Nhat Pham
2026-06-01 11:34 ` [PATCH 7/8] mm/swap: remove SWP_FS_OPS Christoph Hellwig
2026-06-05 5:21 ` Baoquan He
2026-06-05 17:58 ` Nhat Pham
2026-06-01 11:34 ` [PATCH 8/8] mm/vmstat: add NRSWP{IN,OUT} counters Christoph Hellwig
2026-06-05 7:16 ` Baoquan He
2026-06-05 17:48 ` Nhat Pham
2026-06-01 13:29 ` better block swap batching and a different take on swap_ops v2 Baoquan He
2026-06-01 14:50 ` Christoph Hellwig
2026-06-01 15:17 ` Baoquan He
2026-06-01 15:25 ` Christoph Hellwig
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