loop: fix bad bio_alloc() nr_iovec request
Don't allocate room for an iovec when it is not needed.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
parent
b801a1e7
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Don't allocate room for an iovec when it is not needed.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>