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由 Tejun Heo 提交于
Impact: rq->buffer usage cleanup ide-atapi uses rq->buffer as private opaque value for internal special requests. rq->special isn't used for these cases (the only case where rq->special is used is for ide-tape rw requests). Use rq->special instead. Signed-off-by: NTejun Heo <tj@kernel.org> Cc: Jens Axboe <axboe@kernel.dk>
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