blk_queue_dma_alignment (9) - Linux Manuals
blk_queue_dma_alignment: set dma length and memory alignment
NAME
blk_queue_dma_alignment - set dma length and memory alignment
SYNOPSIS
-
void blk_queue_dma_alignment(struct request_queue
* q, intmask);
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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