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From: Christoph Hellwig <hch@lst.de>
To: Usama Arif <usama.arif@linux.dev>
Cc: Christoph Hellwig <hch@lst.de>,
	baoquan.he@linux.dev, akpm@linux-foundation.org,
	chrisl@kernel.org, kasong@tencent.com, nphamcs@gmail.com,
	shikemeng@huaweicloud.com, youngjun.park@lge.com,
	ryncsn@gmail.com, trondmy@kernel.org, anna@kernel.org,
	sfrench@samba.org, linux-mm@kvack.org,
	linux-cifs@vger.kernel.org, linux-nfs@vger.kernel.org
Subject: Re: [PATCH 1/3] mm/swap: revert to single-folio writes for synchronous swap devices
Date: Thu, 23 Jul 2026 07:25:36 +0200	[thread overview]
Message-ID: <20260723052536.GA7565@lst.de> (raw)
In-Reply-To: <20260722163601.1421253-1-usama.arif@linux.dev>

On Wed, Jul 22, 2026 at 09:36:00AM -0700, Usama Arif wrote:
> On Wed, 22 Jul 2026 15:06:07 +0200 Christoph Hellwig <hch@lst.de> wrote:
> 
> > Kairui Song reported that zram benefits from submitting each folio
> > directly instead of batching up I/O because the classic LRU scanning
> > benefits from clearing the folio writeback bit in the scan loop.
> > 
> > Accommodate that by kicking off reads for synchronous devices for
> 
> s/reads/writes/ ?

Yes, fixed.



  reply	other threads:[~2026-07-23  5:25 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-22 13:06 swap_ops updates Christoph Hellwig
2026-07-22 13:06 ` [PATCH 1/3] mm/swap: revert to single-folio writes for synchronous swap devices Christoph Hellwig
2026-07-22 16:36   ` Usama Arif
2026-07-23  5:25     ` Christoph Hellwig [this message]
2026-07-22 16:57   ` Chris Li
2026-07-22 13:06 ` [PATCH 2/3] mm/swap: add a new swap_ops.h header to allow for pluggable swap ops Christoph Hellwig
2026-07-22 16:32   ` Usama Arif
2026-07-23  5:27     ` Christoph Hellwig
2026-07-22 16:56   ` Chris Li
2026-07-22 13:06 ` [PATCH 3/3] mm/swap: move swap_ops into file systems for file system-based swap Christoph Hellwig
2026-07-22 17:07   ` Chris Li
  -- strict thread matches above, loose matches on Subject: below --
2026-07-23  5:46 swap_ops updates v2 Christoph Hellwig
2026-07-23  5:46 ` [PATCH 1/3] mm/swap: revert to single-folio writes for synchronous swap devices Christoph Hellwig

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