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Date: Thu, 3 Mar 2022 18:56:05 -0800 From: Keith Busch <kbusch@...nel.org> To: David Laight <David.Laight@...lab.com> Cc: "linux-nvme@...ts.infradead.org" <linux-nvme@...ts.infradead.org>, "linux-block@...r.kernel.org" <linux-block@...r.kernel.org>, "linux-crypto@...r.kernel.org" <linux-crypto@...r.kernel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "axboe@...nel.dk" <axboe@...nel.dk>, "hch@....de" <hch@....de>, "martin.petersen@...cle.com" <martin.petersen@...cle.com>, Hannes Reinecke <hare@...e.de>, Chaitanya Kulkarni <kch@...dia.com>, Arnd Bergmann <arnd@...db.de> Subject: Re: [PATCHv4 3/8] asm-generic: introduce be48 unaligned accessors On Fri, Mar 04, 2022 at 01:31:26AM +0000, David Laight wrote: > From: Keith Busch > > Sent: 03 March 2022 20:13 > > > > The NVMe protocol extended the data integrity fields with unaligned > > 48-bit reference tags. > > If they are reference tags, are they only interpreted by the > sending system? No, this field participates in end-to-end data protection formats, so is verified on both sides.
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