Tomonori <fujita.tomonori@lab.ntt.co.jp> 1219903557 +0900
committer Jens Axboe <jens.axboe@oracle.com> 1223535370 +0200

bio: convert bio_copy_kern to use bio_copy_user

bio_copy_kern and bio_copy_user are very similar. This converts
bio_copy_kern to use bio_copy_user.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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