block: Convert bio_copy_data() to bvec_iter
Our fancy new bvec iterator makes code like this much easier to write.
Signed-off-by: NKent Overstreet <kmo@daterainc.com>
Cc: Jens Axboe <axboe@kernel.dk>
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Our fancy new bvec iterator makes code like this much easier to write.
Signed-off-by: NKent Overstreet <kmo@daterainc.com>
Cc: Jens Axboe <axboe@kernel.dk>