Name
bio_map_kern —
map kernel address into bio
Synopsis
struct bio * bio_map_kern ( | struct request_queue * q, |
| | void * data, |
| | unsigned int len, |
| | gfp_t gfp_mask); |
Arguments
struct request_queue * q
the struct request_queue for the bio
void * data
pointer to buffer to map
unsigned int len
length in bytes
gfp_t gfp_mask
allocation flags for bio allocation
Description
Map the kernel address into a bio suitable for io to a block
device. Returns an error pointer in case of error.