Re: [PATCH 1/1] virtio-blk: Add description for blk_size field

Stefan Hajnoczi <[email protected]> Tue, 8 Oct 2024 16:09:34 -0400
Newsgroups dev.linux.lists.virtio-dev,dev.linux.lists.virtualization
Message-ID <[email protected]>
On Wed, Oct 02, 2024 at 04:56:10PM -0700, Daniel Verkamp wrote:
> (Perhaps u-boot's driver does not work with the QEMU's virtio-blk
> device with certain storage configurations, per Stefan's note, but
> that is again just one device implementation.)

Yes, IOERR only happens under certain conditions: when --device
virtio-blk-pci,logical_block_size=<size> is configured. When that's not
the case, QEMU buffers as necessary to adjust for guest block size vs
host block size differences without errors.

Stefan
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