BIO_MAP_KERN(9) The Linux VFS BIO_MAP_KERN(9)
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
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
DESCRIPTION
Map the kernel address into a bio suitable for io to a block device. Returns an error pointer in case of error.
COPYRIGHT
Kernel Hackers Manual 3.10 June 2014 BIO_MAP_KERN(9)
