1. NAME▲

bio_map_kern - map kernel address into bio

2. SYNOPSIS ▲

struct bio * bio_map_kern(struct request_queue *  q , void *  data , unsigned int  len , gfp_t  gfp_mask );

3. ARGUMENTS ▲

q
    the struct request_queue for the bio

data
    pointer to buffer to map

len
    length in bytes

gfp_mask
    allocation flags for bio allocation

4. DESCRIPTION ▲

Map the kernel address into a bio suitable for io to a block device. Returns an error pointer in case of error.

5. COPYRIGHT ▲