From: Christoph Hellwig <hch@lst.de>
To: Keith Busch <kbusch@kernel.org>
Cc: Christoph Hellwig <hch@lst.de>, Jens Axboe <axboe@kernel.dk>,
Minchan Kim <minchan@kernel.org>,
Sergey Senozhatsky <senozhatsky@chromium.org>,
Dan Williams <dan.j.williams@intel.com>,
Vishal Verma <vishal.l.verma@intel.com>,
Dave Jiang <dave.jiang@intel.com>,
Ira Weiny <ira.weiny@intel.com>,
Andrew Morton <akpm@linux-foundation.org>,
linux-block@vger.kernel.org, nvdimm@lists.linux.dev,
linux-fsdevel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH 7/7] block: remove ->rw_page
Date: Thu, 26 Jan 2023 06:30:17 +0100 [thread overview]
Message-ID: <20230126053017.GA28355@lst.de> (raw)
In-Reply-To: <Y9FYsXgo9pVJ5weX@kbusch-mbp.dhcp.thefacebook.com>
On Wed, Jan 25, 2023 at 09:28:33AM -0700, Keith Busch wrote:
> On Wed, Jan 25, 2023 at 02:34:36PM +0100, Christoph Hellwig wrote:
> > @@ -363,8 +384,10 @@ void __swap_writepage(struct page *page, struct writeback_control *wbc)
> > */
> > if (data_race(sis->flags & SWP_FS_OPS))
> > swap_writepage_fs(page, wbc);
> > + else if (sis->flags & SWP_SYNCHRONOUS_IO)
> > + swap_writepage_bdev_sync(page, wbc, sis);
>
> For an additional cleanup, it looks okay to remove the SWP_SYNCHRONOUS_IO flag
> entirely and just check bdev_synchronous(sis->bdev)) directly instead.
The swap code relatively consistently maps bdev flags to SWP_* flags,
including SWP_STABLE_WRITES, SWAP_FLAG_DISCARD and the somewhat misnamed
SWP_SOLIDSTATE. So if we want to change that it's probably a separate
series.
next prev parent reply other threads:[~2023-01-26 5:30 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-25 13:34 remove ->rw_page Christoph Hellwig
2023-01-25 13:34 ` [PATCH 1/7] mpage: stop using bdev_{read,write}_page Christoph Hellwig
2023-01-25 17:58 ` Dan Williams
2023-01-25 13:34 ` [PATCH 2/7] mm: remove the swap_readpage return value Christoph Hellwig
2023-01-25 15:58 ` Keith Busch
2023-01-26 5:30 ` Christoph Hellwig
2023-01-25 18:00 ` Dan Williams
2023-01-25 13:34 ` [PATCH 3/7] mm: factor out a swap_readpage_bdev helper Christoph Hellwig
2023-01-25 18:30 ` Dan Williams
2023-01-25 13:34 ` [PATCH 4/7] mm: use an on-stack bio for synchronous swapin Christoph Hellwig
2023-01-25 13:34 ` [PATCH 5/7] mm: remove the __swap_writepage return value Christoph Hellwig
2023-01-25 13:34 ` [PATCH 6/7] mm: factor out a swap_writepage_bdev helper Christoph Hellwig
2023-01-25 13:34 ` [PATCH 7/7] block: remove ->rw_page Christoph Hellwig
2023-01-25 16:28 ` Keith Busch
2023-01-26 5:30 ` Christoph Hellwig [this message]
2023-01-25 18:38 ` Dan Williams
2023-01-25 14:32 ` Jens Axboe
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