suse man page for bio_copy_kern

BIO_COPY_KERN(9)						   The Linux VFS						  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.

COPYRIGHT
Kernel Hackers Manual 2.6.					     July 2010							  BIO_COPY_KERN(9)