| Date | Tue, 16 Mar 2021 09:00:52 +0100 | From | Christoph Hellwig <> | Subject | Re: [RFC PATCH v2 09/11] block: Add BLK_STS_P2PDMA |
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On Thu, Mar 11, 2021 at 04:31:39PM -0700, Logan Gunthorpe wrote: > Create a specific error code for when P2PDMA pages are passed to a block > devices that cannot map them (due to no IOMMU support or ACS protections). > > This makes request errors in these cases more informative of as to what > caused the error.
I really don't think we should bother with a specific error code here, we don't add a new status for every single possible logic error in the caller.
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