bio_copy_kern

Langue: en

Autres versions - même langue

Version: June 2009 (debian - 07/07/09)

Section: 9 (Appels noyau Linux)

Sommaire

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.