nvme-pci: remove volatile cqes
The completion queue entry is not volatile once the phase is confirmed. Remove the volatile keywords and check the phase using the appropriate READ_ONCE() accessor, allowing the compiler to optimize the remaining completion path. Signed-off-by:Keith Busch <kbusch@kernel.org> Reviewed-by:
Sagi Grimberg <sagi@grimberg.me> Signed-off-by:
Christoph Hellwig <hch@lst.de> Signed-off-by:
Jens Axboe <axboe@kernel.dk>
parent
b04df85d
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