BLK_QUEUE_DMA_ALIGNM
Section: Block Devices (9)
Updated: February 2011
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NAME
blk_queue_dma_alignment - set dma length and memory alignment
SYNOPSIS
-
void blk_queue_dma_alignment(struct request_queue * q, int mask);
ARGUMENTS
q
-
- the request queue for the device
mask
-
alignment mask
DESCRIPTION
set required memory and length alignment for direct dma transactions. this is used when building direct io requests for the queue.
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