[PATCH 0/2] nvmet: consider req->sg_cnt for inline bio

Christoph Hellwig hch at lst.de
Tue May 4 09:56:13 BST 2021


On Thu, Apr 29, 2021 at 11:43:55AM -0700, Chaitanya Kulkarni wrote:
> Hi,
> 
> While testing I came across the scenario where checking for the
> transfer size is not enough for inline bios, this issue is not easily
> reproducible with the test tools that I have.
> 
> This small patch-series adds an additional check so that we make sure 
> transfer size and the req->sg_cnt both fit in the inline bio for
> bdev and passthru backend.

How do you get the fragmented scatterlist?  Oh I guess this is due to
nvme-loop not using our page allocator but pages that come the
block layer?



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