From 5bff9e8584fbcdb361dada5a0425724b9e31e608 Mon Sep 17 00:00:00 2001 From: Sebastian Andrzej Siewior Date: Fri, 25 Nov 2011 22:18:45 +0100 Subject: 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 Signed-off-by: Nicholas Bellinger --- drivers/target/target_core_rd.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) (limited to 'drivers/target') diff --git a/drivers/target/target_core_rd.c b/drivers/target/target_core_rd.c index 6d8a6881cfff..6119ed5a3311 100644 --- a/drivers/target/target_core_rd.c +++ b/drivers/target/target_core_rd.c @@ -583,14 +583,12 @@ static int rd_MEMCPY_do_task(struct se_task *task) { struct se_device *dev = task->task_se_cmd->se_dev; struct rd_request *req = RD_REQ(task); - unsigned long long lba; + u64 tmp; int ret; - req->rd_page = (task->task_lba * dev->se_sub_dev->se_dev_attrib.block_size) / PAGE_SIZE; - lba = task->task_lba; - req->rd_offset = (do_div(lba, - (PAGE_SIZE / dev->se_sub_dev->se_dev_attrib.block_size))) * - dev->se_sub_dev->se_dev_attrib.block_size; + tmp = task->task_lba * dev->se_sub_dev->se_dev_attrib.block_size; + req->rd_offset = do_div(tmp, PAGE_SIZE); + req->rd_page = tmp; req->rd_size = task->task_size; if (task->task_data_direction == DMA_FROM_DEVICE) -- cgit v1.2.2