Provided by: linux-doc-2.6.15_2.6.15-23.39_all bug

NAME

       bio_map_kern - map kernel address into bio

SYNOPSIS

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

ARGUMENTS

       q      the request_queue_t 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.