queue_dma_alignment

Name:queue_dma_alignment

Proto:static inline int queue_dma_alignment(const struct request_queue *q)

Type:int

Parameter:

Type	Parameter	Name
const struct request_queue *	q

1461

Return If q Then dma_alignment Else 511

**Caller**
Name	Describe
bio_map_user_iov	_map_user_iov - map user iovec into bio@q: the struct request_queue for the bio@iter: iovec iterator@gfp_mask: memory allocation flags Map the user space address into a bio suitable for io to a block* device. Returns an error pointer in case of error.
blk_rq_map_user_iov	lk_rq_map_user_iov - map user data to a request, for passthrough requests@q: request queue where request should be inserted@rq: request to map data to@map_data: pointer to the rq_map_data holding pages (if necessary)@iter: iovec iterator*@gfp_mask:

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