block: use iter_ubuf for single range

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This is more efficient than iter_iov.

Signed-off-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
[axboe: fold in iovec assumption fix]
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Keith Busch 2023-01-05 11:07:34 -08:00 • committed by Jens Axboe

parent 4397a17c1d

commit d46aa786fa

1 changed files with 4 additions and 4 deletions

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8

block/blk-map.c

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