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From: Matthew Wilcox <willy@infradead.org>
To: Bart Van Assche <bvanassche@acm.org>
Cc: Luis Chamberlain <mcgrof@kernel.org>,
	leon@kernel.org, hch@lst.de, kbusch@kernel.org, sagi@grimberg.me,
	axboe@kernel.dk, joro@8bytes.org, brauner@kernel.org,
	hare@suse.de, david@fromorbit.com, djwong@kernel.org,
	john.g.garry@oracle.com, ritesh.list@gmail.com,
	linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org,
	linux-mm@kvack.org, gost.dev@samsung.com, p.raghav@samsung.com,
	da.gomez@samsung.com, kernel@pankajraghav.com
Subject: Re: [RFC 2/4] blkdev: lift BLK_MAX_BLOCK_SIZE to page cache limit
Date: Thu, 20 Mar 2025 16:27:14 +0000	[thread overview]
Message-ID: <Z9xB4kZiZfSdFJfV@casper.infradead.org> (raw)
In-Reply-To: <c33c1dab-a0f6-4c36-8732-182f640eff52@acm.org>

On Thu, Mar 20, 2025 at 09:15:23AM -0700, Bart Van Assche wrote:
> The patch description mentions what has been changed but does not
> mention why. Shouldn't the description of this patch explain why this
> change has been made? Shouldn't the description of this patch explain
> for which applications this change is useful?

The manufacturer chooses the block size.  If they've made a bad decision,
their device will presumably not sell well.  We don't need to justify
their decision in the commit message.


  reply	other threads:[~2025-03-20 16:27 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-03-20 11:13 [RFC 0/4] nvme-pci: breaking the 512 KiB max IO boundary Luis Chamberlain
2025-03-20 11:13 ` [RFC 1/4] iomap: use BLK_MAX_BLOCK_SIZE for the iomap zero page Luis Chamberlain
2025-03-20 11:13 ` [RFC 2/4] blkdev: lift BLK_MAX_BLOCK_SIZE to page cache limit Luis Chamberlain
2025-03-20 16:01   ` Bart Van Assche
2025-03-20 16:06     ` Matthew Wilcox
2025-03-20 16:15       ` Bart Van Assche
2025-03-20 16:27         ` Matthew Wilcox [this message]
2025-03-20 16:34           ` Bart Van Assche
2025-03-20 16:44             ` Christoph Hellwig
2025-03-24 10:58           ` Bart Van Assche
2025-03-24 15:02             ` Matthew Wilcox
2025-03-20 11:13 ` [RFC 3/4] nvme-pci: bump segments to what the device can use Luis Chamberlain
2025-03-20 11:13 ` [RFC 4/4] nvme-pci: add quirk for qemu with bogus NOWS Luis Chamberlain

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