From: hch@lst.de (Christoph Hellwig)
Subject: [RFC PATCH] nvme-pci: Bounce buffer for interleaved metadata
Date: Wed, 28 Feb 2018 17:37:01 +0100 [thread overview]
Message-ID: <20180228163701.GA16363@lst.de> (raw)
In-Reply-To: <20180228163510.GC16002@localhost.localdomain>
On Wed, Feb 28, 2018@09:35:11AM -0700, Keith Busch wrote:
> Right, this RFC is just about enabling formats that don't subscribe to
> the DIX format. It turns out some people believe those extended LBAs
> are useful for something.
>
> I still think this LBA format is not a good fit for this driver, but
> I'd like to not push people to use out-of-tree or user space drivers
> if there is a reasonable way to accommodate here. The driver's existing
> NVMe IO passthrough makes this format reachable already, but there is
> resistance to use the ioctl over more standard read/write paths.
For a good reason. I think these formats are completely bogus for
something pretending to be a block device, and your patch just shows
how bogus they are.
What is the use case for this silly game?
next prev parent reply other threads:[~2018-02-28 16:37 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-24 0:05 [RFC PATCH] nvme-pci: Bounce buffer for interleaved metadata Keith Busch
2018-02-25 17:30 ` Sagi Grimberg
2018-02-26 16:49 ` Keith Busch
2018-02-28 3:46 ` Martin K. Petersen
2018-03-01 9:22 ` Sagi Grimberg
2018-02-28 3:42 ` Martin K. Petersen
2018-02-28 16:35 ` Keith Busch
2018-02-28 16:37 ` Christoph Hellwig [this message]
2018-02-28 19:54 ` Keith Busch
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