[PATCH 01/26] xen-blkfront: don't disable cache flushes when they fail
Roger Pau Monné
roger.pau at citrix.com
Mon Jun 17 09:55:48 CEST 2024
On Mon, Jun 17, 2024 at 08:04:28AM +0200, Christoph Hellwig wrote:
> blkfront always had a robust negotiation protocol for detecting a write
> cache. Stop simply disabling cache flushes in the block layer as the
> flags handling is moving to the atomic queue limits API that needs
> user context to freeze the queue for that. Instead handle the case
> of the feature flags cleared inside of blkfront. This removes old
> debug code to check for such a mismatch which was previously impossible
> to hit, including the check for passthrough requests that blkfront
> never used to start with.
>
> Signed-off-by: Christoph Hellwig <hch at lst.de>
Acked-by: Roger Pau Monné <roger.pau at citrix.com>
Thanks, Roger.
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