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| H A D | iov_iter.c | 3b2deb0e Fri Mar 24 15:37:19 CDT 2023 Jens Axboe <axboe@kernel.dk> iov_iter: import single vector iovecs as ITER_UBUF
Add a special case to __import_iovec(), which imports a single segment
iovec as an ITER_UBUF rather than an ITER_IOVEC. ITER_UBUF is cheaper
to iterate than ITER_IOVEC, and for a single segment iovec, there's no
point in using a segmented iterator.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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