nvmet: don't split large I/Os unconditionally
If we know that the I/O size exceeds our inline bio vec, no point using it and split the rest to begin with. We could in theory reuse the inline bio and only allocate the bio_vec, but its really not worth optimizing for. Signed-off-by:Sagi Grimberg <sagi@grimberg.me> Signed-off-by:
Christoph Hellwig <hch@lst.de>
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783f4a44