target/rd: simplify the page/offset computation
Breakout rd_MEMCPY_do_task() usage of do_div() to tmp value during rd_request->rd_page assignment. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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6f21475576
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5bff9e8584
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@ -583,14 +583,12 @@ static int rd_MEMCPY_do_task(struct se_task *task)
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{
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struct se_device *dev = task->task_se_cmd->se_dev;
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struct rd_request *req = RD_REQ(task);
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unsigned long long lba;
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u64 tmp;
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int ret;
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req->rd_page = (task->task_lba * dev->se_sub_dev->se_dev_attrib.block_size) / PAGE_SIZE;
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lba = task->task_lba;
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req->rd_offset = (do_div(lba,
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(PAGE_SIZE / dev->se_sub_dev->se_dev_attrib.block_size))) *
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dev->se_sub_dev->se_dev_attrib.block_size;
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tmp = task->task_lba * dev->se_sub_dev->se_dev_attrib.block_size;
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req->rd_offset = do_div(tmp, PAGE_SIZE);
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req->rd_page = tmp;
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req->rd_size = task->task_size;
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if (task->task_data_direction == DMA_FROM_DEVICE)
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