bio_copy_kern(9)
NAME
bio_copy_kern - copy kernel address into bio
SYNOPSIS
struct bio * bio_copy_kern(struct request_queue * q, void * data,
unsigned int len, gfp_t gfp_mask,
int reading);
ARGUMENTS
- q
- the struct request_queue for the bio
- data
- pointer to buffer to copy
- len
- length in bytes
- gfp_mask
- allocation flags for bio and page allocation
- reading
- data direction is READ
DESCRIPTION
copy the kernel address into a bio suitable for io to a block device.
Returns an error pointer in case of error.