On Fri, Sep 08, 2023 at 06:54:42PM +0300, Felix Yan wrote:
NVME 2.0 spec section 3.1.3 suggests that "Software should not rely on
0h being returned". Here we should safeguard timeout reads when CRTO is 0 and
fallback to the old NVME 1.4 compatible field.
Not sure I follow what you're saying here. We're not really relying on
CRTO being 0. It was a non-zero capability bit that told the driver to
use CRTO, and 0 is potentially a valid value a controller could report.
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