From: Christoph Hellwig <hch@lst.de>
To: "Pankaj Raghav (Samsung)" <pankaj.raghav@linux.dev>
Cc: Christoph Hellwig <hch@lst.de>, Jens Axboe <axboe@kernel.dk>,
Christian Brauner <brauner@kernel.org>,
"Darrick J. Wong" <djwong@kernel.org>,
linux-block@vger.kernel.org, linux-xfs@vger.kernel.org,
linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH 1/2] block: pass a minsize argument to bio_iov_iter_bounce
Date: Fri, 8 May 2026 10:12:09 +0200 [thread overview]
Message-ID: <20260508081209.GB19748@lst.de> (raw)
In-Reply-To: <7a24ulsyoczubsjc2y4rkv7tkgqzpo7ehkkljdytyo6tzqdw24@avwve4kr7tzy>
On Thu, May 07, 2026 at 01:36:11PM +0200, Pankaj Raghav (Samsung) wrote:
> On Thu, May 07, 2026 at 07:01:47AM +0200, Christoph Hellwig wrote:
> > When bouncing for block size > PAGE_SIZE file systems that require
> > file system block size alignment (e.g. zoned XFS), the bio needs to
> > be big enough to fit an entire block.
>
> Not related to the patch but I am wondering why we don't need this for
> non-zoned bs > PS configurations.
Because they only require sector size alignment for both read and
writes. So I guess we could actually hit it with a large sector size
and not just fs block size.
next prev parent reply other threads:[~2026-05-08 8:12 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-07 5:01 fix block layer bounce buffering for block size > PAGE_SIZE v2 Christoph Hellwig
2026-05-07 5:01 ` [PATCH 1/2] block: pass a minsize argument to bio_iov_iter_bounce Christoph Hellwig
2026-05-07 11:36 ` Pankaj Raghav (Samsung)
2026-05-08 8:12 ` Christoph Hellwig [this message]
2026-05-11 10:40 ` Hannes Reinecke
2026-05-07 5:01 ` [PATCH 2/2] block: align down bounces bios Christoph Hellwig
2026-05-11 10:40 ` Hannes Reinecke
2026-05-13 17:15 ` fix block layer bounce buffering for block size > PAGE_SIZE v2 Jens Axboe
2026-05-13 19:56 ` Jens Axboe
2026-05-15 4:28 ` Christoph Hellwig
2026-05-13 19:55 ` Jens Axboe
-- strict thread matches above, loose matches on Subject: below --
2026-04-30 13:20 fix block layer bounce buffering for block size > PAGE_SIZE Christoph Hellwig
2026-04-30 13:20 ` [PATCH 1/2] block: pass a minsize argument to bio_iov_iter_bounce Christoph Hellwig
2026-04-30 13:30 ` Matthew Wilcox
2026-04-30 14:53 ` Christoph Hellwig
2026-05-01 12:46 ` Pankaj Raghav (Samsung)
2026-05-04 4:58 ` Christoph Hellwig
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