mirror of https://gitee.com/openkylin/linux.git
scatterlist: remove open coded sg_unmark_end instances
Signed-off-by: Dan Williams <dan.j.williams@intel.com> [hch: split from a larger patch by Dan] Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
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@ -394,7 +394,7 @@ int blk_rq_map_sg(struct request_queue *q, struct request *rq,
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if (rq->cmd_flags & REQ_WRITE)
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memset(q->dma_drain_buffer, 0, q->dma_drain_size);
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sg->page_link &= ~0x02;
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sg_unmark_end(sg);
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sg = sg_next(sg);
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sg_set_page(sg, virt_to_page(q->dma_drain_buffer),
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q->dma_drain_size,
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@ -467,7 +467,7 @@ static unsigned int mmc_queue_packed_map_sg(struct mmc_queue *mq,
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sg_set_buf(__sg, buf + offset, len);
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offset += len;
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remain -= len;
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(__sg++)->page_link &= ~0x02;
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sg_unmark_end(__sg++);
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sg_len++;
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} while (remain);
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}
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@ -475,7 +475,7 @@ static unsigned int mmc_queue_packed_map_sg(struct mmc_queue *mq,
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list_for_each_entry(req, &packed->list, queuelist) {
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sg_len += blk_rq_map_sg(mq->queue, req, __sg);
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__sg = sg + (sg_len - 1);
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(__sg++)->page_link &= ~0x02;
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sg_unmark_end(__sg++);
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}
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sg_mark_end(sg + (sg_len - 1));
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return sg_len;
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