Re: [Nbd] [RESEND][PATCH 0/5] nbd improvements
- To: Wouter Verhelst <w@...112...>
- Cc: "nbd-general@lists.sourceforge.net" <nbd-general@lists.sourceforge.net>, linux-block@...25..., Josef Bacik <jbacik@...2204...>, "linux-kernel@...25..." <linux-kernel@...25...>, Christoph Hellwig <hch@...1270...>, Markus Pargmann <mpa@...1897...>, kernel-team@...2204...
- Subject: Re: [Nbd] [RESEND][PATCH 0/5] nbd improvements
- From: Christoph Hellwig <hch@...1270...>
- Date: Thu, 15 Sep 2016 05:27:53 -0700
- Message-id: <20160915122753.GA26310@...1270...>
- In-reply-to: <20160915122631.7wus5o6qin6o7uz5@...3...>
- References: <20160909200203.phhvodsfs7ymukfp@...3...> <20160915104935.ohuwgq2chsedz6fl@...3...> <27B346AF-F144-4770-BE38-446A66E71326@...872...> <20160915112936.vb7zxe7k6rvczosg@...3...> <20160915114005.GC23259@...1270...> <C38C69BC-CA2F-4F73-A762-CDAEA5C94702@...872...> <20160915115217.GB6411@...1270...> <20160915120159.2o5lb7rvkjndzayh@...3...> <20160915122008.GB1155@...1270...> <20160915122631.7wus5o6qin6o7uz5@...3...>
On Thu, Sep 15, 2016 at 02:26:31PM +0200, Wouter Verhelst wrote:
> Yes. I think the kernel nbd driver should probably filter out FUA on
> READ. It has no meaning in the case of nbd, and whatever expectations
> the kernel may have cannot be provided for by nbd anyway.
The kernel never sets FUA on reads - I just pointed out that other
protocols have defined (although horrible) semantics for it.
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