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From: Christoph Hellwig <hch@infradead.org>
To: Harshad Shirwadkar <harshadshirwadkar@gmail.com>
Cc: linux-block@vger.kernel.org, tytso@mit.edu
Subject: Re: [PATCH] block: add split_alignment for request queue
Date: Tue, 16 Jun 2020 00:29:55 -0700	[thread overview]
Message-ID: <20200616072955.GA30385@infradead.org> (raw)
In-Reply-To: <20200616005633.172804-1-harshadshirwadkar@gmail.com>

On Mon, Jun 15, 2020 at 05:56:33PM -0700, Harshad Shirwadkar wrote:
> This feature allows the user to control the alignment at which request
> queue is allowed to split bios. Google CloudSQL's 16k user space
> application expects that direct io writes aligned at 16k boundary in
> the user-space are not split by kernel at non-16k boundaries.

That is a completely bogus assumptions and people who think they can
make that assumption should not be allowed to write software.

Can we stop this crap now please?

  parent reply	other threads:[~2020-06-16  7:30 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-16  0:56 [PATCH] block: add split_alignment for request queue Harshad Shirwadkar
2020-06-16  2:14 ` John Dorminy
2020-06-16  2:25   ` Martin K. Petersen
2020-06-16  2:40 ` Ming Lei
2020-06-16  2:50   ` harshad shirwadkar
2020-06-16  3:24     ` harshad shirwadkar
2020-06-16  4:16       ` Ming Lei
2020-06-16  7:29 ` Christoph Hellwig [this message]
2020-06-16 11:12   ` Sweet Tea Dorminy
2020-06-16 14:38     ` Christoph Hellwig

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