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 4.8.                 January 2017                           BIO_MAP_KERN(9)