table of contents
| BLK_QUEUE_DMA_ALIGNM(9) | Block Devices | BLK_QUEUE_DMA_ALIGNM(9) |
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.
COPYRIGHT¶
| June 2024 | Kernel Hackers Manual 3.10 |