bio_map_user

Langue: en

Autres versions - même langue

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

Section: 9 (Appels noyau Linux)

Sommaire

NAME

bio_map_user - map user address into bio

SYNOPSIS

struct bio * bio_map_user(struct request_queue * q, struct block_device * bdev, unsigned long uaddr, unsigned int len, int write_to_vm);

ARGUMENTS

q

the struct request_queue for the bio

bdev

destination block device

uaddr

start of user address

len

length in bytes

write_to_vm

bool indicating writing to pages or not

DESCRIPTION

Map the user space address into a bio suitable for io to a block device. Returns an error pointer in case of error.